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Thread: Need help with APRS on FT2DR

  1. #1

    Default Need help with APRS on FT2DR

    I'm a relatively new HAM operator having just received my license about a month ago. I've also just purchased a FT2DR and have been having a lot of fun with it. I'm having a bit of trouble getting APRS to work completely. I can receive incoming beacons/messages just fine but when I try to transmit a beacon/message it doesn't seem to work. I can tell that the radio is transmitting the beacon when I press bcn-tx as I hear that "modem" connection sound that we all used to hear back in the days of internet dial-up. However when I check aprs.fi my callsign doesn't display on the map. I've also tried sending a text message to my smart phone using SMSGTE and that does not work either. I used the FT2DR APRS Edition Instruction Manual as my guide to setting up APRS on my FT2DR. I've done extensive searches on the internet and I can find cases where others have posed questions about this same issue but so far haven't found a solution. Which has lead me here in hopes that someone has some experience with this issue and can provide some ideas on what the problem could be and/or how I might troubleshoot the issue. Thanks Bruce

  2. #2
    Super Moderator 5B4AJB's Avatar
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    It could just be you're not being heard by the other gateways, or they're not configured to repeat your packets.
    Try getting some height and keep trying!

  3. #3

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    Thanks that could be the case. I live in Plano, TX in the DFW area. It seems that according to aprs.fi that there is infrastructure near by but I could be mistaken. I guess I'll try and research it more. If I can find the location of an igate perhaps I can take my HT close to it and perform a test. Thanks!

  4. #4

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    Just wanted to followup. I found that there is an APRS iGate at UTD in Richardson TX which is about 6 miles from my house. I decide to try a test transmission from a closer location. I had to go buy a rain jacket at REI this morning and the REI parking lot is about 2 miles from the UTD campus so I did a test transmission from there and it worked!! So there aren't any issues with the radio settings it's just a distance or LOS issue. Thanks. Bruce

  5. #5
    Super Moderator 5B4AJB's Avatar
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    One of the key aspects of packet radio that many have (always) ignored, is not to have a transmitter too powerful, for exactly this reason.

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