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Wi-Fi Coming on U.S. Domestic Flights

jvptoad writes "The NY Times is reporting that United Airlines has received approval to offer Wi-Fi Internet access on its planes. Although it will be over a year before the service is available, I wonder if this will impact the discussion on cell phone usage in planes (which seems to be centered around the annoyance of people talking loudly on the phone). Add a headset and Skype, and you don't need a cell phone to have loud, annoying phone conversations on an airplane."

68 of 317 comments (clear)

  1. Uh, latency? by g0at · · Score: 2, Interesting

    repeat: uh, latency?

    1. Re:Uh, latency? by WillAffleckUW · · Score: 3, Funny

      repeat: uh, latency?

      could you resend that packet? i didn't get it the first time ...

      --
      -- Tigger warning: This post may contain tiggers! --
    2. Re:Uh, latency? by nacturation · · Score: 2, Funny

      could you resend that packet? i didn't get it the first time ...

      Don't worry -- just wait for the dupe article later this week.

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      Want to improve your Karma? Instead of "Post Anonymously", try the "Post Humously" option.
    3. Re:Uh, latency? by Austerity+Empowers · · Score: 2, Funny

      Bah it'll probably cost so much that latency will actually work in your favor. If they charge $1/byte, and it takes 6000ms round trip, you'll at least be able to make the flight on a single credit card.

    4. Re:Uh, latency? by guyjr · · Score: 2, Interesting

      Not to mention IM. I'd think that'd be the most efficient way given the expected high latency.

    5. Re:Uh, latency? by Geoffreyerffoeg · · Score: 2, Insightful

      Latency only matters for time-sensitive applications like games. You're crazy if you want to try playing games on airplanes. Your e-mail already takes minutes to go between servers, and web pages often go years between being posted and reaching you. Latency will be at most a few seconds.

    6. Re:Uh, latency? by Vellmont · · Score: 4, Informative

      I guess I don't understand why you think latency would be a problem. The service is likely going to NOT rely on geo-stationary satelite links, so there's no speed of light issues to geo-stationary orbit 32,000 miles away. Communicating that far away requires pointing a parabolic satelite dish precicely at a single point in the sky. That would be rather difficult in an airplane moving side to side, up and down, etc.

      What's far more likely is they'll use existing cellphone towers, and possibly the same LEO (low earth orbit) satelites that satelite phones use. Planes fly at only 40,0000 feet or so, so that's only about 8 miles up. LEO is only about 200-500 miles, so the lightspeed time is rather short at 500/186,0000 seconds. Really they'd only need to use LEO sats flying over remote parts of the US, or over the ocean.

      --
      AccountKiller
    7. Re:Uh, latency? by twostar · · Score: 3, Informative
      Doesn't anyone do their homework anymore? Connexion By Boeing is via geostationary satellite. Why waste putting a bird up that is only visible to the ground for a few minutes each pass when you can buy time on a couple of geo birds?

      You want to know if your plane has Connexion? Look on top for a square "bubble" about 3 feet on each side and purtruding about 6 inches. That's where the antenna is, and yes it tracks the satellite, not that hard, we've been doing it for years on military planes.

      http://www.boeing.com/connexion/backgrounder.html

      The Enabling Technology
      Connexion by Boeing uses a worldwide network of geostationary satellites and ground-based receiving stations to relay data between aircraft and the global information network. An advanced-technology antenna designed and built by Mitsubishi Electric Co. enables aircraft to maintain high-quality connectivity, even at high latitudes.
    8. Re:Uh, latency? by flawedgeek · · Score: 2, Interesting

      The cell phone providers actually pressured the FAA to ban cell phones on airliners, because when you're flying within range of 100 towers, you're using resources on all 100 towers. It was the cell providers, not anything to do with navigation.

      --
      My other Sig is .40 caliber.
    9. Re:Uh, latency? by Anonymous Coward · · Score: 5, Informative

      Posting anonymously so I don't get in trouble tomorrow when I go to work tomorrow ;-)
      The plane linked in the picture is CBB1, our test platform. This plane has 3 of our antennas on it: two phased array antennas and one mechanically steered dish antenna(the Melco antenna mentioned above). The first two (very flat) rectangular bumps towards the nose of the plane are the phased array antennas. These antennas are each capable of simulatenously tracking multiple satellites, which can be used to provide directTV as well as internet service. They can also be configured to use one antenna for receive, one for send. None of our customers has multiple phased arrays due to the cost (VERY expensive) and this antenna is only used for government and business jets. The rearmost (largest) hump is the Melco antenna that was mentioned above.
      Connexion is actually far superior to what is offered by Verizon. We offer far more services than anybody here knows. We offer our service on planes, vehichles, and boats. We also offer much more bandwidth than Verizon. Our system has the capability to recieve at nearly 80Mb/sec (none of our customers has ever used this capability since it requires extra antennas that increase cost and drag (one antenna == 20Mb up and down)), and transmit at nearly 20Mb/sec. We also offer a number of other services that I don't think we have anounced yet, but are REALLY cool.
      Oh, yeah, I almost forgot to mention, Connexion is based on Linux :-) Any Connexion equipped plane has a few Linux machines running on it (no wonder I love my job).

    10. Re:Uh, latency? by doormat · · Score: 2, Interesting

      Communicating that far away requires pointing a parabolic satelite dish precicely at a single point in the sky. That would be rather difficult in an airplane moving side to side, up and down, etc.

      You do realize that JetBlue has this on ALL their airplanes, right? How else do you think you get DirecTV serivce to your seat?

      --
      The Doormat

      If you're not outraged, then you're not paying attention.
    11. Re:Uh, latency? by digitalchinky · · Score: 3, Interesting

      Ah, what planet are you from? I er, do satellite signals for a living. Still by far the vast majority are voice circuits - although technically they are all binary when spat out of the modems. Most of these are in the form of CEPT E1's and DTX-240's (Stanard IDR's), although there are still many IBS systems kicking around - more and more frequently we see packet switched voice, have always seen multiplexed and compressed, or simply jammed into vocoders of varied size and fed over any number of transmission types. Voice is still pretty common. Internet is not nearly as common as you would imagine, though there are huge numbers of private networks that sometimes carry internet. I haven't seen any reduction of voice in my visible section of the clark belt.

  2. Time for air travellers to learn what mute is by WillAffleckUW · · Score: 2, Insightful

    Either that or get some good headphones, because if you start playing Duke Nukem on your laptop when I'm sitting next to you, I'll be showing you where the off switch is.

    Sorry, your right to infringe on society ends where my eardrums attached to my body stuffed into a seat where your laptop requires you to lower your tray table for the whole flight begins.

    And if you don't like it, fly first class.

    --
    -- Tigger warning: This post may contain tiggers! --
    1. Re:Time for air travellers to learn what mute is by JanneM · · Score: 4, Insightful

      Using headphones is of course just common courtesy.

      That said: earplugs. Earplugs, earplugs earplugs.

      Not because people perhaps sit on the phone, and not because people will sometimes talk to each other. Not even for the guy snoring loudly throughout the flight or for the two-year old who's screaming himself across the pacific ocean.

      An airplane cabin is _noisy_. That constant whine/hum/hiss is the single most tiring noise I know of. True, you conciously tune it out after half an hour or so, but it's incredibly fatiguing. For a long time I didn't realize that a good deal of my jetlag, fatigue and inability to sleep on the plane was actually due to that incessant noise (that, and that I never drank enough liquids - nonalcoholic liquids).

      Once I started using earplugs during the entire flight (you can hear the movie just fine through the plugs) and making a point of drinking water throughout, the difference was huge. I arrive reasonably refreshed, not bleary-eyed and disoriented. The day-night cycle is still screwed up, of course, but the impact is much less.

      --
      Trust the Computer. The Computer is your friend.
    2. Re:Time for air travellers to learn what mute is by GameMaster · · Score: 2, Insightful

      I hate to break it to you but, much to the chagrin of the Christian right, the rights to not be annoyed, bothered, or offended aren't included in the U.S. Bill of Rights. In fact, in the situation you just described the only person who would likely be breaking the law would be you when you laid a hand on the other person's laptop (potentially destroying, valuable, unsaved work running in the background while the game was playing). If you don't like being cramped in small seats with potentially loud passengers then the onus is on you to buy a first class ticket. What exactly were you planning on doing if the person next to you happened to have a crying child, grab it from the mother and smother it with a pillow till it stopped?

      The only people that have any say as to whether someone should have to turn the sound off on a flight are the flight attendants based on airline policy. In which case, they are responsible for handling it. Actively trying to turn someone's laptop off while they're using it is not only likely to be illegal but is also probably a good way to start a fight.

      One of the down sides of freedom of speech/expression is that we all have to get used to the fact that we are, inevitably, going to be offended by something someone else in society does in the process of expressing their rights. The cost of that freedom is that we have to get over ourselves and learn to live with each other. Unless the other person is doing something that directly causes you harm (not just an annoyance for a few hours on a public plane) then you really shouldn't be complaining. This is something that the Christian right can't seem to handle. Much like the passenger in the plane that overreacts to noisy fellow passengers, they constantly seek to change the world around them to match their religious beliefs by limiting the right of other people.

      -GameMaster

      --

      Rules of Conduct:
      #1 - The DM is always right.
      #2 - If the DM is wrong, see rule #1
    3. Re:Time for air travellers to learn what mute is by Moofie · · Score: 2, Insightful

      "I reserve the right to forcibly apply butter to your keypad."

      So if I infringe on your notions of politeness, you will attempt to destroy my personal property?

      You'd be wise not to sit next to me on an airplane, buddy. I guarantee you will not enjoy the consequences of your actions.

      --
      Why yes, I AM a rocket scientist!
    4. Re:Time for air travellers to learn what mute is by Zeinfeld · · Score: 2, Insightful
      An airplane cabin is _noisy_. That constant whine/hum/hiss is the single most tiring noise I know of.

      Two words: Crazy Frog.

      --
      Looking for an Information Security student project suggestion?
      Try http://dotcrimeManifesto.com/
  3. non-reg by compm375 · · Score: 4, Informative
  4. Multiplayer On-Line On-Flight Gaming by topgeek · · Score: 4, Funny

    What are the chances I'll be able to set up a Counter-Strike server on my flight to Washington?

    --
    Geek Of The Day, "A geeky place for geeky faces."
    1. Re:Multiplayer On-Line On-Flight Gaming by nacturation · · Score: 4, Funny

      "Bomb has been planted."
      "Storm the front!"
      "Hostage down!"
      "Get out of there, it's going to blow!"

      Tonight on CNN, a thirteen year old suspected terrorist on a domestic flight has been arrested and moved to Guantanamo Bay for interrogation. As per PATRIOT Act regulations, the boy has been denied an attorney, no charges are pending, and no judge is set to hear the case. The FBI hasn't released any details, but I for one welcome our new terrorist catching overlords.

      --
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    2. Re:Multiplayer On-Line On-Flight Gaming by Anonymous Coward · · Score: 2, Funny

      Just imagine a lan party...brings a new meaning to the Mile high club

      A sad, geeky meaning.

  5. Lufthansa... by choongiri · · Score: 3, Informative

    ...has had wifi on its flights for a over a year now.

    1. Re:Lufthansa... by millennial · · Score: 2, Informative

      Does Lufthansa have U.S. domestic flights?

      --
      I am scientifically inaccurate.
    2. Re:Lufthansa... by Jeff+DeMaagd · · Score: 2, Insightful

      I think the difference being that the FAA is allowing them for US flights.

  6. VoIP on planes by scseth · · Score: 5, Informative

    Sure the technology will be there (vonage, skype with 802.11 phones)...

    but the jitter as your packet is relayed via satellite back to firma terra will be enough to discourage most calls (i have to imagine).

    Still... real-time data connectivity while in the air will greatly increase my productivity while flying.

    Now United needs to offer power injectors at each economy plus seat

    1. Re:VoIP on planes by Beatlebum · · Score: 3, Insightful
      "Still... real-time data connectivity while in the air will greatly increase my productivity while flying."

      Really? You mean you don't have anything equally important that you could work on that doesn't require real-time connectivity? I find that very hard to believe. Perhaps you're just one of those people that constantly checks email and IM instead of doing real work (the stuff you could do offline). How many technology jobs *require* constant real-time connections? I'm sure they exist, but I can't think of many.
    2. Re:VoIP on planes by DrEldarion · · Score: 2, Insightful

      Still... real-time data connectivity while in the air will greatly increase my productivity while flying.

      That, to me, is a drawback. I don't WANT to be productive on a flight. It's nice to have a place where you're guaranteed to not be able to work.

    3. Re:VoIP on planes by zorander · · Score: 2, Insightful

      Access to version control/searchable hyperlinked documentation/build servers isn't important? How many corporate development architectures fit onto a laptop?

      He said it made him more productive. It does. Rooting around on my hard drive for ADC docs is much more time consuming than typing into google or a search box. What about that library you didn't think you needed the docs for because you weren't using it directly?

      Now that I'm used to having the internet and google as a resource at work when writing code, it's harder to do it the old fashioned way. There's no reason to anymore. Once you've built a development methodology, messing with it by removing internet access is a *bad idea* and likely to introduce bugs and inconsistencies.

    4. Re:VoIP on planes by TummyX · · Score: 4, Interesting


      but the jitter as your packet is relayed via satellite back to firma terra will be enough to discourage most calls (i have to imagine).


      Well, despite what most people here on slashdot would have you believe (armchair critics who have no experience whatsoever which is nothing new around here), that's not the case. I had internet access on a singapore airlines flight from London to Singapore last week. I used MSN video conferencing as well as skype-out on my tablet pc and both worked flawlessly. Using a webcam and conversing in ink while on a plane was awesome.

      Skype-out worked really well - a tiny lag (not annoying at all) and perfect audio quality. Calling someone from my tablet on a plane without paying the ridiculus $5.90/min charge for normal plane-land calls was awesome and despite the fact that I had to use the inbuilt microphone on my tablet, the people on the other end say they heard me suprisingly clearly. I got a bluetooth headset for my tablet as soon as I got to singapore airport :-).

      I should also note that the service had a web based live "chat" support and they were very helpful with my queries regarding the usage costs.

    5. Re:VoIP on planes by elgaard · · Score: 2, Informative

      I assume it was through sattellite. The plane was somewhere very north in Canada, coming from Europe. It was a VoIP (SIP) call, I received it on a D-Link SVG1402.

      The calculation gives 240ms of latency (half RTT). That is a little more than is normally accepted in telephone systems, and there are more sources of latency. But it was not miserable.

  7. Good and bad by zzyzx · · Score: 4, Insightful

    I have to admit that I would probably use this quite a bit to check my email and play on the web on flights.

    However, I'll miss the fact that there was a space where I couldn't do those things. There's so much pressure on people to be available all the time, that it was nice to have forced downtime.

  8. Great... by Vertdang · · Score: 5, Funny
    Great... now the fat, sweaty, stupid, irritating, guy next to me on every single flight I've ever taken can now be surfing for horse pr0n and talking his ass off on his cell the whole flight.

    I am overjoyed.

    --
    Statesmen serve to better the country and help the people.
    Politicians serve to better themselves and help friends.
  9. LuftHansa has it already by HarveyTheWonderBug · · Score: 5, Informative

    I flew LuftHansa (the German partner of United) 3 weeks ago as they were starting offering this service, and i did try it for free. It works pretty well. Normal cost is 10 bucks for an hour or 30 for the whole flight. Unfortunately, i was travelling in Economy where you can't plug your laptop. And Wifi drains my battery pretty fast. still managed to send emails from above some really remote places...

    1. Re:LuftHansa has it already by Cruciform · · Score: 4, Funny

      "the plane is going down! before i die, i just wanted to say i hate you for all the shit you've put me through!"

      *click* Sent!

      "um, disregard last message. it was just turbulence. I'll be a little late getting home from the airport honey."

  10. Okay, I give up by Anonymous Coward · · Score: 4, Insightful

    What is it with you people who get upset when people talk on a mobile phone? Do you also get annoyed at people talking face to face in your presence? Do all forms of conversation in which you are not involved annoy you, or is it just the ones using a form of technology?

    1. Re:Okay, I give up by VMaN · · Score: 2, Informative

      Listening to ½ of a 2 way conversation is actually stressful

    2. Re:Okay, I give up by Jeff+DeMaagd · · Score: 4, Interesting

      Actually, people seem to yell (or talk very loudly) into cell phones because the reception sucks on both ends, and repeating things too. I don't appreciate being yelled at, and I don't appreciate someone next to me yelling.

      Then there's the irritating chirping of the two-way systems. I can try to blank out the talking, but the chirps are on a different order of hard to ignore.

    3. Re:Okay, I give up by Linker3000 · · Score: 3, Informative

      Actually people yell into cellphones because they think they have to in order for the person at the other end of the call to hear them on their miracle of miniaturised technology when, in reality, their extra-loud voice is attenuated back to a reasonable level by their phone anyway.

      It really beats me why people on trains etc. can't grasp the three basic rules of mobile/cell phone etiquette ie:

      1) Put your phone's incoming 'ring' on single beep or, better still, vibrate mode.

      2) Disable keyboard beeps and tones.

      3) The microphones in modern cell phones are very sensitive - speak at a volume level that will not annoy those around you.

      --
      AT&ROFLMAO
    4. Re:Okay, I give up by Scott+Byer · · Score: 3, Insightful

      Americans yell into cell phones and don't have any cell phone etiquette. I just got back from Japan, where everyone has a cell phone, and where everyone understands how to actually use them. You don't use them while on the train, or you go between cars where you won't bother anyone, and you talk into them, letting the noise-reduction actually work and not bothering those around you. Only here, back at home, do people seem to be so stupid that they don't understand there's a proper place and method for using cellphones. And it's not while tailgating me on the freeway!

      --
      > cat ~/.signature | grep -v bullshit

      >

  11. airpwn3d! by Tackhead · · Score: 2, Interesting
    > Add a headset and Skype, and you don't need a cell phone to have loud, annoying phone conversations on an airplane."

    Time for serious airpwnage. No, not the kind of pwnage that'll befall you for playing CS (namely wearing a headset and being prone to mutter things like "OK, 3 terrorists to the left, one's got a gun! Kill that fucker!" under your breath) on an airplane.

    I'm talking about the amount of fun you can have when that annoying cellphone-addict using Skype to escape the withdrawal... you can already hear him from three seats behind of you, hollering to his wife and kids... and then the holler he makes when he finds himself airpwned!

  12. Re:Great... or how I learned to Love Butter by WillAffleckUW · · Score: 3, Funny

    Great... now the fat, sweaty, stupid, irritating, guy next to me on every single flight I've ever taken can now be surfing for horse pr0n and talking his ass off on his cell the whole flight.

    You know, I've found that butter does wonders for keyboards. That and spilled coffee.

    As to the cell phones, if he doesn't take the hint after the butter, apply that to the cell phone as well.

    --
    -- Tigger warning: This post may contain tiggers! --
  13. pretty cool by moz25 · · Score: 2, Interesting

    I guess it's pretty cool to be chatting and posting to slashdot while you're flying. It's just so much more l33t. Speaking of which... controlling your botnet from 30k feet in the sky must make it feel more special too.

    How does this impact issues with interference of electronic devices? Is that problem solved to a degree that (even?) wi-fi and affiliated devices are not an issue?

  14. Interference with nav system all of a sudden gone? by thekaz · · Score: 5, Insightful

    For the longest time airlines were telling us not to use electronic gadgets, fearing "interference with the navigation system." Well, if they're OK with having bunch of passengers putting out 1 Watt each @ 2.4 GHz, how come they were objecting to the little blackberry (albeit at a different frequency) and other two way radio devices?

  15. And i thought... by ribo-bailey · · Score: 4, Funny

    The crapper was a pretty exotic place to get on IRC from. Imagine it from 30,000ft ... on the crapper.

  16. Finally! by Illserve · · Score: 2, Funny

    With this put an end to the ridiculous idea that listening to my ipod in row 38 can cripple the navigational instruments of an airliner?

    If that pittance of an electrical field could have any appreciable impact on an airplane, any solar flare would result in the complete destruction of the world's airline fleet in a single day.

    1. Re:Finally! by rimclean · · Score: 2, Insightful

      No, you cannot listen to your ipod 10 minutes either side of take off and landing because you need to be able to hear any emergency announcements coming over the intercom. Not because your ipod interferes with cockpit controls.

  17. from the but-terrorists dept. by Bananatree3 · · Score: 2, Funny

    But! But! But...the terrorists will use it for...

    And what about those dasterly in-fight phones on the back of the seats? They could call their terrorist friends today and plan their evil plans that way without Wi-Fi.

    But! But!

    Ahhhh, be quiet

  18. Skype and VoIP -- latency good enough? by MMHere · · Score: 3, Funny

    Will the latency of this link be low enough to support decent response times for VoIP?

    If they're using a satellite link (they must be), then your loud Skype+headset conversation will be just as uncomfortable for you to use as it is for others around you to observe.

    "He-"

    "Hello?"

    "Huh?"

    "What?"

    "You started talk-"

    "You began-"

    "You go."

    "No you... Go ahead!"

    Damn satellite latency.

  19. Re:Interference with nav system all of a sudden go by HermanAB · · Score: 2, Insightful

    Never was an interference problem in the first place.

    --
    Oh well, what the hell...
  20. Loud annoying passengers by Bob+the+Hamster · · Score: 2, Funny

    It is not simply the duty of our government regulators to protect us from Loud Annoying Cell Phone Users. It is their duty to protect us from the very indignity of being annoyed, regardless of the source of that annoyance.

    I for one will not be happy until we passengers are sedated in the terminal, packed in bubble-wrap, loading into the plane like cargo, and revived with a stiff drink at the destination.

    Ah! The only way to travel!

  21. Ad-Hoc by nukem996 · · Score: 2, Interesting

    I was on a plane a few weeks back and we set up a Ad-Hoc network and played CS on the plane(yes sound was off). I also text messaged on that flight, phones dont do anything to planes, neither does WiFi. Anyway I think its a great idea as long as people dont use their sound.

    1. Re:Ad-Hoc by kentborg · · Score: 2, Informative

      "phones dont do anything to planes"

      Correct. And the FAA doesn't particularly object to your use of a
      phone on a plane. However, the FCC objects because cell phones at
      high altitude mess with the cell phone systems.

      Cell phones work on the idea of frequency reuse as your phone talks to
      one cell tower just a block or so away and many other people elsewhere
      in the city can also be talking using the same bandwidth. However, if
      you use your cell phone at 30,000 feet you will prevent cell systems
      in several *states* from reusing that frequency. Why will the talked
      about future cellphone use on planes work? By having a low powered
      cell site *on* the plane, your cell phone will turn its transmit power
      all the way down and it will not reach the ground. (And by charging
      really high roaming fees.)

      Yes, airlines do stupid things and have many stupid rules, but these
      electronics rules are not completely stupid.

      -kb, the Kent who is less worried about adhoc 802.11b networks on a
      plane.

  22. To quote the Onion... by peipas · · Score: 3, Funny

    "If they lift the ban on cell-phone use, they better lift the ban on passengers beating the shit out of each other, too."

  23. A little demonstration by Spy+der+Mann · · Score: 2, Insightful

    Actually, people seem to yell (or talk very loudly) into cell phones because...

    "I SAID that the reception sucks! Yes, SUCKS. Are you listening to me? No. Yes, no. TURN OF THAT NOISE DAMMIT - oh wait a second. Waitress, mind giving me an extra soda? Thanks.

    No.
    Yes.
    No.

    I _DO NOT_ appreciate yelling!
    (at some point, someone tells me to lower my voice tone)
    I can't help it, reception is awful, and look, if they allowed phones, it was for a reason.
    Moron...
    No, it wasn't to you.
    No, i said it wasn't to you! There's this idiot next to me telling me to shut up.
    Yes.
    No.
    FINALLY!! Well I have to go to the bathroom, I think that lobster is giving me nausea.
    I said NAUSEA! Good bye!
    *CHIRP*"

    I hope that clarifies why it's annoying :)

    1. Re:A little demonstration by soft_guy · · Score: 2, Funny

      Were you sitting next to me on a United flight last week? That's exactly the conversation I had on the plane after eating some funky lobster.

      --
      Avoid Missing Ball for High Score
  24. SAS have had... by Osrin · · Score: 2, Informative

    ... this for a while, I catch the Seattle -> Copenhagen flight on a regular basis.

    I'm pleased to say that it (Boeing Conexion) seems to work pretty well. I can browse the web at a reasonable speed, let Outlook sync mail and on occasion have been able to log in and play WoW for an hour or so with no noticeable interruptions.

    SAS will even let you pay for service using your miles from their frequent flier program.

    I'm glad it will finally be on Domestic flights as well, this gives me a reason to choose United. (I have to agree with the lack of desire to see people using Skype over it though).

  25. Re:Interference with nav system all of a sudden go by kentborg · · Score: 5, Informative

    Three things.

    1. Many kinds of radio receivers create a local "intermediate
    frequence" (IF) version of the received signal at a much lower
    frequency because it is easier for circuitry to deal with those low
    frequencies. Unfortunately, this IF signal leaks out, and those
    frequencies are close to those used for navigation. The FAA,
    reasonably, objects to that.

    2. Cellphones are based on the idea of short range communications
    (from your phone to the celltower you could likely see if you knew
    where to look) allowing the bandwidth you are using to be reused
    many times in one city. When you turn on your phone in a plane at
    high altitude, your phone (being far from any cell site) turns up
    to full transmit power, and blankets several *states* worth of
    territory. A lot of frequency reuse can't happen when you do that.
    The FCC, reasonably, objects to this. (How can cellphones inside a
    plane soon be allowed? By having a small cellsite inside the
    plane, instructing phones on the plane to turn their transmit power
    to the lowest setting.)

    3. General purpose conservatism. A powerful transmitter (ham radio
    anyone?) can also mess with lots of nearby electronics. Given all
    of the confusion over what kind of electronics some device might
    be, and given how pissed off you would be if your plane were
    plummeting to earth because a bad decision, being conservative
    might be OK, even with you.

    This doesn't mean silly things don't happen. I was once (long ago)
    told I couldn't listen to my CD player on a plane. The airline
    uniformed backhaul "expert" told me that the CD player had a "laser!",
    and it could interfere with the plane. Nonsense. I expressed
    disbelief, suggesting that the laser was safely inside...but the
    expert didn't buy it and he had authority over me so I shut it off.
    However, just because he was completely wrong in his argument doesn't
    mean that every airline safety rule (air in the tires?, gas in the
    tank?, sober pilot at the wheel?, no shootouts happening on the
    plane?) is silly.

    -kb

  26. Re:Why not RJ-45? by appleLaserWriter · · Score: 2, Insightful

    1. you need to do physical installation into each seat
    2. you need to run wires from each jack to some central location
    3. the jacks and wire add up to a fair amount of extra mass, which means the plane needs more fuel and can carry less payload
    4. not everyone carries an rj-45 patch cable, so the airline will need to keep some handy (yet more mass)
    5. little kids will stuff action figures or food into the sockets, destroying them or even shorting the whole network out

  27. Don't forget your VPN by mveloso · · Score: 2, Informative

    Don't forget to hook up with a VPN if you're using in-flight wi-fi.

    www.publicvpn.com works, and it's cheap!

  28. Legal issue??? by Linker3000 · · Score: 3, Funny

    Just a thought:

    What jurisdiction does a plane flying over, say, international waters actually fall under - for example, is the inside of a US-registered plane considered to be US territory or do a generic set of International rules apply?

    I just wondered as this might raise some interesting legal issues with regards to data protection etc. ie: emailing a customer database back to the office, downloading porn, sharing files or DMCA-infringing stuff etc.!!?? Mind you, hosting your DVD ripping apps at an altitude of 30,000ft over the Atlantic by constantly flying from NY to London and back is not going to come cheap!!

    --
    AT&ROFLMAO
  29. Re:Interference with nav system all of a sudden go by Keebler71 · · Score: 3, Informative
    I am a test pilot and one of the things we have to do with each new test article is perform an EMC/EMI/EMV test(the so called E-cubed testing) before the item ever flies (incidently this includes firmware upgrades to avionics). I can tell you that probably about 10% of the hardware we put into or most modern military aircraft do indeed have problems passing these tests - and these are items that are specificaly designed to meet the military's strict E-3 requirements. These components must be redsigned before testing can continue. Somehow I doubt that the makers of every electronic gadget out there, (music players, portable games, etc where profit margins can be razor this) are so diligent in their designs. Let me say this very clearly - I do this for a living and when it is my ass in coach and the flight attendant tells me to turn off my palm pilot, you better believe I do.

    Oh, and if you ever see me on a plane, make sure you are sitting next to me - I will be the guy in the safest row of seats.

    --
    "It takes considerable knowledge just to realize the extent of your own ignorance." - Thomas Sowell
  30. Re:Interference with nav system all of a sudden go by kentborg · · Score: 3, Interesting

    I've been told to remove completely non-electronic ear plugs during take-off (or was it landing?). The idea is in an emergency, when chaos is generally winning, they want to be able to shout that the front exits are on fire, so go out the rear exit--and they want you to be able to hear so you don't lumber in the wrong direction and block the aisle.

    -kb

  31. Re:WiFi != fast by NadMutter · · Score: 2, Informative

    I was on a Lufthansa flight from Munich to Boston last week. Seemed to get about 270kb/s down & a not so good 40kb/s up. Latency was around 650ms to us and about 1.5% of packets were dropped.

    I still managed to be productive, send somebody a bug fix 2 hours after take-off, IM, email etc. Definitely worth the $30 (and would have been worth $100 if the person in front didn't think he was at the dentist).

  32. depends on network configuration by Atilla · · Score: 3, Insightful

    If the airlines don't want people using skype or VOIP in general, they can set up a firewall/proxy so it would not be possible.

    yes, there are l33t hackers that would create a VPN tunnel via HTTP or some other such shit, but the majority of general public don't have any idea how to do that.

    also, it could be a matter of policy - if they catch you being loud when you're not supposed to, they can tell you to stop, and if you don't - someone in a uniform will be waiting for you when you get off the plane :-)

    --
    --- sig moved for great justice.
    1. Re:depends on network configuration by Anonymous Coward · · Score: 2, Funny

      like my mailman? or the cute 18 year old at starbucks? either will do.

  33. Re:Hogwash by spagetti_code · · Score: 2, Insightful

    (I am a private pilot). If you are flying in IMC (Instrument Meteorological Conditions - on instruments alone), you have placed the lives of your pax in the hands of the pilot and his instruments. There are no outside clues when things go wrong. See here
    for the top 100 air disasters. Two of them were purely ILS failures.

    I'm not so confident that it can't happen. There are numerous anecdotal stories in the industry of NAV equipment wandering off course. In 1999 there were 76 reported incidents of possible cellphone interference. On IMC, and especially when on approach, these have the potential to end in disaster.

  34. Re:No good if the seat in front is reclined by Frogbert · · Score: 2, Funny

    I've found the best way to deal with someone like this is to order pickled onions/ salami/ anything that gives shocking bad breath and then breath, heavily and slowly as close the the headrest as possible. Fart loudly if you can. Pick your nose and wipe it on their headrest. Occasionally say your name and clap three times. Have a converstation about your most recient bowel movements with the person infront of you, if they don't speak your language all the better, if they do consider making up a language in which to talk to them. No one wants to be near a disgusting smelly nut, much less talk to one.

  35. Re:Interference with nav system all of a sudden go by ergo98 · · Score: 2, Interesting

    I discovered this by accident one day, however try the following - I've repeated it on several keyboards.

    -Type on your keyboard via such exercises as posting a troll on Slashdot.

    -Now, dial on your cell phone, and while it's negotiating, move the cell phone near the wire on the back of your cellphone.

    -Continue typing your troll.

    In my instance the cell phone transmission rendered the keyboard useless, as it interfered with the communications. I wouldn't want the same thing happening in a plane. Of course having a cell phone directly beside a cable is vastly different from it being near controls or control wires many feet away, but better safe than sorry.