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APRS Hardware APRS on the web APRS projects APRS tips links Clubs active in APRS
Computer Virii stats Equipment Maintainance FCC General News GIMP
GPS History Linux Presentations and lectures Software
Spread Spectrum Various tech topics Weather


  • Mac/WinAPRS and XAPRS APRS software from the Sproul brothers.
  • NWS Shape Files For use with WinAPRS. This will allow you to view the watches and warnings as they get to you via the internet or RF. Warning, it is an 18 meg download so give it some time.
  • Bill Diaz, KC9XG. Bill has produced many controbutions to APRS over the years.  He actively assists in the software that allows UI-View to work with Precision Mapping Maps.
  • AWGPE Allows you to use your sound card in Windows as a tnc.plus other options.
  • AWGPE help A help site on how to install, setup and trouble shoot AWGPE.
  • APRS+SA From Brent Hildrbrant, KH2Z, uses Street Atlas version 4.0 and up for the map base.
  • dosAPRS This is Bob's version and the first.
  • Xastir A Linux version of APRS software.
  • UI-View.
  • plugin source for UI-View.
  • PocketAPRS This is for use on Palm Pilots. As of Dec 24th, the site indicates that the server is moving.
  • Digi_ned
    • is a pc based digipeater software package. This will allow you to use older tnc's if you can allocate a pc instead of obtaining a KPC3 version 8.2 or a KPC3+.
  • My APRS Intro in Real Audio at the 1999 DCC in Phoenix.
    • Visit the other links at this site as well. Future projects in Amateur Radio frequently start here as a presentation that someone has been working on.

    History

    The daddy of APRS, Bob Bruninga's site

    Presentations and lectures

  • KC5GOI 1999 DCC Presentation in MS Power Point
  • APRS presentations at the TAPR web site
  • 1997 DCC Presentation
  • APRS presentations and lectures

    • Equipment Maintainance

  • TNC tone quality by John Ackerman N8UR

    • Hardware

  • MIC-E Kit The MIC-E kit has been discontinued. Refer to the PIC-E or Tiny Trak as possible replacements.
  • PIC-E Kit
  • N6BG's pic chip projects
  • HamHud
    • a GPS display for adding to a tracker. HH2 has run its life, HH3 is in develpoment. This is going to be a really neat project and TAPR will be helping out when it is ready for kit form. Steve and his develpoment team have done a great job on this.
  • Peekpacket
  • Pfranc
    • A source on the connector used on Garmin GPS receivers.

  • DCARA APRS Web site
  • Ontario Canda APRS Web site

    • KC5GOI APRS tips site

    KC5GOI APRS digipeater tips site

    Dallas/Fort Worth APRS news site

     TAPR APRS Reflector



    Computer Virus Stats

    I have posted these stats from Sophos and Trend. Computer virii have become an evil we all have to deal with. I can not stress strong enough the need for antivirus (AV) software to be inplace and ENABLED. I have been to customer sites to find AV softare installed but disabled. It might as well not been installed. Email is not the only method which a computer can become infected. You can still (like in the "old days") get virii via floppy disks, cds or even visiting a web site. Even if your ISP provides you with AV scanning on their servers, you should still obtain AV software. AV software is only as good it's updates.

    Some of the latest virii to come out are actually using infected machines to send SPAM. Some of the infections can cause a machine to perform badly, others you would not notice this at all. These abusers take advantage of high speed internet circuits. Given the speed that these types of connections provide and a users real usage, you might never know. You might eventually find out the hard way, your isp may terminate your service, email adress may get blacklisted or a wannabe net detective may start sending you threatening messages with colorful content in the body of the message. The SoBig virus family has been suspected of being such a virus. Refer to Wired Article. See The Register article on some of SoBig's behavior. Let me put it to you this way, would you intentionally let someone take over your machine for spreading spam? If the answer is no, why would you unknowingly do the same? One last point, if your machine was compromised, your machine (worse case situation) could contribute to a terrorist attack. You could be sending spam (Viagra ads, porno ads, etc). There has also been mention of hijacked machines storing porno or illegal mp3 files and the owner never knew but could be held responsable.




    Please visit my Computer Virus page for more info on why you should be using AV software if you need more information.

    For a recent story on a cleanup and why you should take virii seriously. Trojan Hunt


    FCC Regulatory Matters

    Soap Box On

    Take a glance at the Comments I have sent to the FCC over the years. If you place a high value on the status of Amateur Radio, then filing comments should be a priority to you. The current and future state of our hobby is dependant on the process the FCC goes through. The best way to view comments is the perspective of voting. Each comment filed is more or less a vote. You can state your opinions and facts in the comments. The FCC does read them. Letting the ARRL, TAPR or some other group is strictly not enought effort. The comments that the ARRL and TAPR have filed do carry weight, but not enought on their own. Your comments to rule makings or rule clearafication request is vital. They determine to road that Amateur Radio follows. The commercial industry (Part 15) knows this full and well. Part 15 manufactures use the reply and comment phases to their advantage and it shows. The best example is microwave allocations. We have lost a tremendous amount of spectrum to Part 15 because Part 15 presented a better case than Amateur Radio. The same principle applies to changes with our hobby as apply to voting. If you did not vote, you do not have the right to complain.


    I am not a Linux guru by any shape, form or fashion of the word. I had to get some serious help from a local friend of mine to get my server to handle dial on demand for my lan back in the late 1990s. I am on Fios now. Theses are some links that I have visited. If you have a site or know of a site that has good help or topics, email me and I may add it.


    Articles on variuous technical topics. Highly suggested reading

    N8UR's technical topics. I strongly urge you view John's site. John has and currently is an author of books for TAPR.

    Several years back I found a newsgroup post that explains the use and application of the decibel. I scanned in the document since I could not locate the floppy I saved it to. There may be some formating or spelling errors but the math and overall information is valid.

    Effects of VSWR on transmitted power article. Antennex.com.

    1/4 wave antenna, When is a 1/4 wave not a 1/4 wave?.

    1/4 wave antenna, a cheap source for 12 volt 40 amp power supplies . Using a pc supply can give you a cheaper source for 12 volts that runs cool and quiet. I suggest the use of 200 watt supplies or higher.

    1/4 wave antenna, DDRR antenna.

    To email KC5GOI kc5goi@kc5goi.net

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