I've picked up a handful of programs for various digital modes and driving my PC's soundcard with the line-out audio from my TenTec Omni 7 have no problem copying signals once I figure out what mode they are. However, all these programs have either AFC or some other way of decoding a signal...

Returning to packet after many years away, will soon have a new radio for VHF/UHF packet. The radio, a Yaesu VX-8DR, includes an AX.25 TNC, yet the specifications and manual only refer to this built-in TNC as a dedicated APRS device. Why can't it also be used with an external input, in the case...

Does anyone know how to exactly adjust the settings for frequency etc, to be able to decode properly from in my case DDK3 ? My radio is an IC-7400 and the alleged frequency is 7880khz. Some says to set it 1.9 khz below and choose USB, other says above and LSB. And there is some red bars in the...

Any programs out there that do PSK31 RX/TX under DOS, using a soundblaster sound card? Ken KC2JDY Ken (to reply via email remove "zz" from address)

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On Feb 19, 8:36*pm, Besser Associates wrote: Greetings, * *Besser Associates is offering their acclaimed "DSP Made Simple for Engineers" class in San Jose, California, on 17-19 February 2010. This 3-day class is particularly well-suited to those involved in...

I managed to get on air with PSK31, and also found quite a few stations to work on 3580 MHz. I am interested in other modes, especially forward error correcting ones. But I have yet to find stations using them. Where do I need to look? (Frequencies, identifiying, etc) As I am antenna limited, it...

Hi all, I need some help with decoding APRS protocol files. First I don't have a file to experience decoding on so can someone please post a download link for such a file here? Second can someone please post some links here about the APRS files construction?

Friday is the deadline for the next issue of TAPR's quarterly newsletter, Packet Status Register (PSR). All contributions are welcome, so if you have anything for the newsletter, please e-mail what you have ASAP. Thank you and 73, Stan Horzepa, WA1LOU PSR Editor

I hope this doesn't upset people here but I figure this is the most likely place to find someone who can help me I am trying to find a way to get in touch with N2WX in particular to see if there is any chance of getting any of the code he wrote long ago that ended up in the PacComm DR200 boxes. I...

Last Call! Just a few days left and we still seek articles for the next issue of TAPR's quarterly newsletter, Packet Status Register (PSR). All contributions are welcome, so if you have anything for the newsletter, please e-mail what you have to me. (The deadline is January 15.) Thank you and...

Am trying to write C program to use sound card to input rf signals into computer and then analise them. Would appreciate help on programming sound card etc 73 Ray G3NEF

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Just a reminder that the deadline for the next issue of TAPR's newsletter, Packet Status Register (PSR), is this Thursday, Octobr 15. So, if you have anything to contribute, please get it to me ASAP. Thank you and 73, Stan, WA1LOU PSR Editor _______________________________________________

We are now seeking articles for the next issue of TAPR's quarterly newsletter, Packet Status Register (PSR). All contributions are welcome, so if you have anything for the newsletter, please e-mail whatever you have to me ASAP. Thank you and 73, Stan Horzepa, WA1LOU PSR Editor

I am new to this digital modes stuff in spite of being licensed since 1958. Am using MixW software through a SignaLink USB and have made several PSK31 contacts. Have fiddled around with the CW capability but have not investigated other modes yet. Some questions: 1. I notice that a lot of...

I've been licensed since 1958 but have been off the air for last 15 years or so, except for occasional 2-meter FM contacts and an occasional foray back into 40 CW. I'm baffled by the proliferation of digital modes and digital devices. As I understand it: 1. Computers have sound cards that...

From Tom Clark, K3IO. The TAPR Board joins in Tom's words --Den's influence on amateur radio in general, and TAPR in particular, was profound. John ---- It is with much sadness that I report the passing of Den Connors, KD2S at 2AM this morning. Den passed on after a year+ fight to...

i'm on rtty and psk31 but hear a 'warbling' mode in the 20 meter area where these modes are. can anyone clue me in as to what this is? thanks much

The deadline for the next issue of TAPR's quarterly newsletter, Packet Status Register (PSR) is coming up fast. So if you have anything to contribute to the next issue, please send it to me ASAP. Thanks and 73, Stan, WA1LOU PSR Editor _______________________________________________