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Hams Complain about Powerline Broadband
dwm writes "Think
broadband over power lines (BPL) would be wonderful? There might be some collateral damage. The American Radio Relay League (your friendly neighborhood ham radio operators) have documented dramatic HF radio interference in areas where BPL is being tested (Check out the video of actual interference)."
I'm a HAM radio oprator. It bothers me that some pople don't see anyting wrong with creating interference on already allocated radio waves. What if the same companies started to interfere with WiFi bands ? How would you react ?
I punched a baby once.
I'm a ham, and I don't think this is a troll. It brings up a very valid point about the relative merits of two different communications paradigms.
HF ("short wave") communications certainly lacks the strategic and commercial importance it once had. It's always been a relatively-noisy, unreliable, and bandwidth-constrained way to communicate, and nowadays, HF is used primarily as a backup for satellite and long-haul microwave circuits. We could live without if we had to.
If, by sacrificing the entire HF radio spectrum, we could actually wire every home in the USA for economical broadband Internet access, I honestly wouldn't oppose it. Amateur Radio operators and commercial/military/governmental HF operators alike should realize the truth: we can't shy away from the technological, economic, and social potential of universal broadband Internet connectivity because of the lamentations of a few modern-day buggy-whip manufacturers.
Now, as a disclaimer, I will say that I don't believe that power-line distribution makes sense for broadband Internet. The power companies have spent the last hundred years optimizing their network to ship 60-Hz sine waves around, and trying to shovel data through a network like that is bound to be more trouble than, say, running fiber to every curb in America.
Dahlmann tightly grips the knife, which he may have no idea how to use, and steps out into the plain.
"Am I wrong?"
The importance of ham radio becomes apparent during wartime and other emergency situations. Battery, antenna, and radio and you're "online". There are too many things (and people) that can happen to the average person's IP connectivity.
Why don't they move over to something more modern? Do they have to? Maybe because of the challenge of making a contact over hundreds of miles using very low watt transcievers, or experimenting with Earth-Moon-Earth communications, or slow-scan TV. Just because they can pick up a phone and call someone the same distance away isn't the point. I can easily install windoze on a computer and make it work, but that doesn't mean I have to. I prefer a challenge, which is why I started playing with Linux and use it on most of my computers. How many of you installed Linux the first time, just for the challenge? Maybe it wasn't the easiest system to use, and people might say, "why don't you just use windoze?" I'm just trying to make the slashdot audience understand where hams are coming from, although the analogy may be bad.
I'm torn about the BPL issue, though. I applied for and got my first ham license 2 months ago, and I got my first "rig" a couple weeks ago. I'm excited to start a new hobby, and I'm studying to upgrade to a General class license. On the other hand, BPL would allow my parents to have broadband. They live 3 miles from a small town, and currently use Wi-Fi which sometimes works. I'd like to see more people get broadband, but does it have to be at the cost of losing a hobby that's been around for 100 years?
~jason
KC0QHQ
Passing data over power lines is irresponsible from an engineering perspective. Power lines were designed to carry very very low frequencies, 60 hertz to be exact. BPL is wideband noise from 1 to 80 megahertz.
:-)
Anyone with the slightest electical engineering knowledge knows that a signal of such high frequencies will be radiated and antenuated nearly immediately. The power lines are just awful transmission media for these frequencies. What is needed for the power cables is shielding -- that's what's known as coaxial cable. ( Why don't they pass data on cable ?
This is analogous to the water company trying to deliver water with perforated pipes. The water just spills out everywhere and every couple hundred feet they would have to pump in more water so that you had sufficient water pressure at your house.
BPL was rejected in Japan and Europe, becuase it polluted the spectrum so bad it was pathetic.
For those dumping on ham radio as being obsolete or feel broadband is more important, consider that this will interfere with many other services including international ship distress frequencies, government (including military) allocations, shortwave broadcasts, and most likely aviation and public safety frequencies. Is your ability to get high speed pr0n more important than all this ?
Why is everyone else (like the FCC and utility companies) saying this is great ? The FCC is pro-big business and pro-utility. Equipment vendors are retreading the same technology that was rejected overseas and not informing their clients, the power companies, of the true interference potential. The power companies are dying to get into the broadband race as the telcos have their heads up their butts with DSL.
We need broadband, but this is not the solution. We need to remove the barriers for DSL and cable. Power companies could leapfrog the telcos and cable companies with fiber into the home or unlicensed wireless from their poles.
Quite simply, BPL is DOA.
Tired of being "punished" by the Slashdot $rtbl since 2002. I'm now over at http://soylentnews.org/ .
I have been reading /. for years and this is the most disappointing reaction to a story posting that I have seen to date.
/.ers are attacking amateur radio rather than seeking more information about the service. "Hams" are not just ten old guys sitting around using "CBs" to talk in some antiquated manner or a bunch of old guys hunched over a telegraph key slowly tapping out morse code. Amateur radio is also not just an "emergency" service -- although some amateur radio operators do participate in emergency communications. You would be amazed at what amateur radio has to offer -- GPS location services, radio/Internet interconnects, satellite communications, digital communications, microwave projects, rural Internet, and other bleeding edge projects. Many of these projects will become standard /.er fair in five or ten years.
First, BPL is proven to cause interference to more than just amateur radio. Amateur radio operators are one of the few groups that has the skills and capabilities to prove the problem exists before a major mistake is made in deploying BPL.
Second, I have seen a number of anecdotes indicating that "ham" radio operators are jerks and, therefore, apparently should not have any rights. Obviously, in any group, a small minority of the members may be jerks. However, "hams" are by far one of the kindest, most intelligent, and thoughtful groups that I know. It is not fair for me to minimize the "jerk" problem, but I cannot see a link between being a jerk and having rights taken away. Get to know some real amateur radio operators and you will see a dedicated, service-oriented, and technologically cutting edge group.
Third, amateur radio operators are licensed by the FCC. The licensing requires extensive testing and is conducted very professionally (locate a local VEC session and you will see what I mean about professionalism). The tests are rigorous, especially for the higher classes, and require the applicant to be seriously interested in radio and technical communications.
Amateur radio operators are not a bunch of people with "CBs" sitting around making life difficult for others.
Forth, amateur radio operators are largely responsible for many of the "Internet crowd" technologies. Wireless Internet (I was doing that in 1990), satellite tv, "cell" phones, etc. were all largely based on amateur radio technologies. Amateur radio is really a cutting edge scientific and technical discipline.
Fifth, and probably most important, BPL may sound like an excellent idea; but the telecom industry promised broadband access via standard telephone and digital line technologies to most people in the US by 2006 as part of the mega merger process in the 1980s and 1990s. In exchange for creating mega-monopolies, the telcos promised to provide broadband services. The telcos, however, have heavily lobbied Congress and state governments to conveniently "forget" this little deal because it is now "too expensive." If the telcos would be held to their agreements, poor technologies like BPL would not be needed. Think about it: do you really want your Internet connections from a high voltage/amperage power line? Contact your Congressperson and state representatives and ask why the telcos have not lived up to the commitments.
I guess I am just disappointed that a number of
Sorry to get on my soap box.
It's more of a hobby than a necessity
:-)
Is broadband pr0n a necessity ? Don't answer that
Ham radio may just be a hobby, but it is an important one. We provide emergency communications when celular, telco, and power are dead. It promotes international goodwill. It allows many people to learn RF engineering and become great engineers. For the nerds, you can play with high power RF, pass data, send video, bounce signals off the moon, use sattelites, and much more....
Tired of being "punished" by the Slashdot $rtbl since 2002. I'm now over at http://soylentnews.org/ .
Wait until there is a natural (or man made) disaster in your area and comunications are knocked out. No phone, internet, or power. Ham radio can be the only way to communicate out of an area. Modern communications are great, but there are times when good old ham radio is needed, and is the only way to communicate. So, yes, it is just a hobby -- at least until that tornado, earthquake, hurricane, etc. comes...
DE WB3IZT
Beware of Sleestak
"The answer is to discover which frequencies this interferes with and move the hams off of those frequencies. "
In other words, take some more ground from the commons and give it to big business. No thanks.
And even if I did agree with you on that point, this case would still be different. It's a wired service. The RF bandwidth is being wasted because it's just a lousy way to send data. If they set their minds to it, they could probably come up with an economical way to string some fiber over the towers they already own. Power lines have some serious but unavoidable drawbacks as it is. Why add more problems?