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User: kd5ujz

kd5ujz's activity in the archive.

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Comments · 604

  1. Re:Cool, solves a problem on SanDisk Spins SD/USB Flash Combo · · Score: 0

    Either that or buy a new camera that will support this new techonolgy. Whatever suits you.

  2. Re:Cool, solves a problem on SanDisk Spins SD/USB Flash Combo · · Score: 1

    There are laptops that will read any kind of media you want. compact flash,secure digital,smart media,micro drive, multi media card and memory stick.

  3. Re:"Auto-run" Features Are a Security Risk on CES Tidbits · · Score: 1

    I was once a network admin at a high school in southern california. We had to remove CDROM drives from a few teachers that could not resist installing all of their home goodies.

  4. Re:BPL is not new on Gigabit Transfer Rates Over Power Lines? · · Score: 1

    This is microwave, a LOOOOONG power line will make for a poorly matched antenna. Unless you have a high gain yagi/dish pointed at the transformer, its probably not going to kill your wifi. This is the benifit of using high frequency. Especialy 5.3ghz, it will be extreamly directional, and would be reflected off of damn near anything.

  5. Re:BPL is not new on Gigabit Transfer Rates Over Power Lines? · · Score: 1

    That is the data rate, bandwidth is a measure of BAND spectrum useage ( width)

  6. Re:Laser tracking systems make all the difference on First Peek at Robosapien V2 · · Score: 1

    First thing that came to mind was this guy, bent over the hood of an FBI patrol car, handcuffed and screaming for his lawyer, for laser tracking a 747 out of DFW.

  7. Re:interference? on Gigabit Transfer Rates Over Power Lines? · · Score: 1

    I doubt it would cause the light to ficker, as normal lights flicker at 60 times a second, this would cause the light to flicker millions of times a second, there is no way your eye could detect this.

  8. Re:Cost effectiveness on Gigabit Transfer Rates Over Power Lines? · · Score: 2, Funny

    Well, if your bull jumps the fence into a neighboring pasture, will its packets be considered spoofed or dropped?

    Guess you will have to watch out for that high latency johnson grass.

  9. Re:Cost effectiveness on Gigabit Transfer Rates Over Power Lines? · · Score: 1

    Cisco did this years ago. Great for the ranch.
    Ethernet Over Barbed Wire

  10. Re:BPL is not new on Gigabit Transfer Rates Over Power Lines? · · Score: 4, Informative

    There is a company in California,Corridor Systems, that is developing systems at 2.4 and 5.3GHz for BPL. It has 250MHz of bandwidth, and Shows VERY little interference.

    They also tested the system for from outside interference sources, by using a 100W SSB/CW rig at 7,21, and 28MHz at a distance of 20 feet from the BPL system.

    Their system is interesting, and I am reading up on it some more.
    Corridor Systems

  11. Re:Hacker Stopping Own Viruses? Cannot be Chinese on Sims 2 Hacks Spread Like Viruses · · Score: 1

    I always thought of brazil as a large source of virii(sp?).

  12. Re:I thought they were doing so well... on Transmeta Mulls Exit From Processor Market · · Score: 1
    Nice board, but I had to laugh when I saw this.
    The integrated 16MB ATI M7 graphics controller delivers compelling performance in 3D games and graphical intensive programs.

    Nice processor, but not much memory. Not sure what games you would be running on this, but for other graphics I assume it will suffice.

  13. Re:Gish on 2004 Indie Games of the Year · · Score: 1

    I know for a fact it was out before your post.

  14. Re:Gish on 2004 Indie Games of the Year · · Score: 1

    The ill-informed should not bitch. HalfLife 2 Demo

  15. Re:way different lasers on Green Security Clearance Laser Pistol Available · · Score: 1
    Class 3a(1-5mW) ( laser pointers) are deffinatly not the most dangerous, and studies have shown long periods of exposure cause nothing more then a temporary after image. Class 3b(5-100mW) can cause damage,but still not the most powerfull. Class 4 lasers are used for industrial and medical purposes, and WILL cause damage.

    Laser pointers and the human eye: a clinicopathologic study. Robertson DM, Lim TH, Salomao DR, Link TP, Rowe RL, McLaren JW.
    Department of Ophthalmology, Mayo Clinic, Rochester, MN 55905, USA.

    We report the absence of photic retinal injury after exposing the retina to light from class 3A laser pointers for durations of up to 15 minutes. Three patients with uveal melanomas were scheduled to have an enucleation. Each agreed to have his or her retina exposed to laser light from a class 3A laser pointer prior to enucleation. Continuous exposure was directed to the fovea for 1 minute, to the retina 5 degrees below fixation for 5 minutes, and to the retina 5 degrees above fixation for 15 minutes. Ophthalmoscopic evaluation of the cornea, lens, and retina and fluorescein angiographic studies of the retina were conducted before, 24 hours after, and 11 days after laser exposure in the first case; before and 86 hours after exposure in the second case; and before, 96 hours after, and 15 days after exposure in the third case. Other than transient afterimages that lasted only a few minutes, we were unable to document any functional, ophthalmoscopic, fluorescein angiographic, or histologic evidence of damage to any structures of the eyes. Transmission electron microscopic studies of retinal sites targeted by the laser pointers in the second and third cases revealed ultrastructural abnormalities in the outer retina and the pigment epithelium that were similar to abnormalities seen in the retina approximately 8 mm away from the targeted sites. The risk to the human eye from transient exposure to light from commercially available class 3A laser pointers having powers of 1, 2, and 5 mW seems negligible.

    Publication Types:

    * Case Reports

    PMID: 11115266 [PubMed - indexed for MEDLINE]

  16. Re:Too Bad on 2004 MN4 Probably Won't Kill Us · · Score: 3, Funny

    You think thats bad, I have to find a way to get rid of 3 trucks full of MREs, and 50,000 bottles of water.

  17. Re:Actually that would probably be illegal on Universal Software Radio Peripheral From GnuRadio · · Score: 1
    .......and that interference must be accepted that may be caused by the operation of an authorized [licensed] radio station......

    It specifically states that an unlicensed (BPL) must accept interferance from a licensed (amatuer operator).
    Read it again. Amature radio operators can broadcast over the top of the signal, just as long as they are using it ligitamatly ( not screaming, makinig beep noises)

  18. Re:Slashdot commentary on Universal Software Radio Peripheral From GnuRadio · · Score: 1

    I would imagine it would work the same as CATV, if you connect a transciever up to a CATV network, match your finals to 75ohms, key up on 59.75MHZ(CATV channel 2 voice carrier), Im sure you will bleed over onto the entire coax side of your neighborhood network.

    Coax networks are not run THAT far, there are fiber trancievers every so often from the CO.
    If you were on a non-cablemodem/digital cable network, there could be filterd taps on the main lines, but for RR/digital cable to work, you will have to be on a tap that will allow transmit, and recieve.

  19. Re:Knee-jerk? on Universal Software Radio Peripheral From GnuRadio · · Score: 1
    From the Site.
    Everything (FPGA circuitry and USB Microcontroller) is programmable over the USB2 bus. The FPGA contains digital up and down converters, decimators, interpolators, and glue logic. Highly competent users will be able to reprogram the FPGA to implement other functions too.


  20. Re:Slashdot commentary on Universal Software Radio Peripheral From GnuRadio · · Score: 1

    Sorry to be picky. Others will take things too seriously. I was pretty sure you ment to convey that, but I was just covering the bases.
    I wonder how close you have to be to ANY power lines though, if it will go into any house, I would figure any house could interfere.

  21. Re:Slashdot commentary on Universal Software Radio Peripheral From GnuRadio · · Score: 2
    I belive this is what you are refering to, part 15, not part 5.

    Sec. 15.5(b) Operation of an intentional, unintentional, or incidental radiator is subject to the conditions that no harmful interference is caused and that interference must be accepted that may be caused by the operation of an authorized [licensed] radio station, by another intentional or unintentional radiator, by industrial, scientific and medical (ISM) equipment, or by an incidental radiator.


    And also, now many houses are 100 Yards from a Power line?
    I would say most are more along the lines of 10-20 yards from the transformer.

  22. Re:Knee-jerk? on Universal Software Radio Peripheral From GnuRadio · · Score: 3, Interesting

    Did you look at the website in the article? this thing will accept up to 4 transmitter and 4 reciever daughter boards. The boards avaliable are not that harmfull, but anyone with basic electronic and programming knowledge could "re-wire" the thing. ITs a nice radio, but it will transmit and receive, and easily do it in the 88-108MHZ WFM radio band.

  23. Re:Why would the cable modem company come after yo on Caveats In Reselling DSL Bandwidth To Neighbors? · · Score: 2, Interesting

    Anyone ever wonder if these guys convey secret
    messages in their ramblings? This is a great
    idea for clandestine operations. Who actually
    pays attention to this shit? unless you surf
    at -1, you wont see it, and normaly when I see
    it I just ignore it. But this one caught my
    eye, reminded me of an encrypted message.


    Think about it, 75% of slashdot would not see
    it, and the other 25% would just ignore it,
    unless they were specificly looking for it.

    Looks like an idea to me.

  24. Re:Seriously, you might as well relax. on 2004 MN4, Even Higher Probability · · Score: 1

    ehh, the company( heavy equipment), not the bug.

  25. Re:Seriously, you might as well relax. on 2004 MN4, Even Higher Probability · · Score: 1

    I take it you did not read up on 2004 YD5. It was discoverd by a retired caterpillar computer specialist.