Re: [digitalradio] ARQ sound card modes

2006-09-05 Thread KV9U
The most current SCAMP Specification file was Revision Q, dated Feb 1, 2005. It is on the ScampProtocol yahoogroup. That group has been very quiet for well over a year as we are waiting for Rick, KN6KB, to complete his priority work with other programming before he can get back to working on SC

RE: [digitalradio] Re: ALE QRM is minimal

2006-09-05 Thread DuBose Walt Civ AETC CONS/LGCA
Mark, Back in 1986-1988 a military civil engineering unit ran packet using an AEA PK-232. They started out using 300 baud and it didn't do too well. Then they dropped it to 110 baud and it worked much better. Finally they dropped it to 50 baud and got 100% throughput...even more throughput t

Re: [digitalradio] ARQ sound card modes

2006-09-05 Thread Patrick Lindecker
Hello Rick, RR for all! Pax2 has a speed of 117 wpm for a useful speed of about 50 to 60 wpm in average after the protocol management... >The timing of Windows/Linux is not so bad that you could not have a moderate >sized >window. Under Linux and DOS, I think a synchronous ARQ mode is possibl

RE: [digitalradio] Practical NVIS antennas

2006-09-05 Thread DuBose Walt Civ AETC CONS/LGCA
Hi Rick. I can't disagree with you too much. The feed point impedance is what I look at more then height. I find where the feed point is 50 ohms and lock it there. Depending on the soil I'm over (generally very dry here in South Texas), I have started putting a counterpoise under the dipole o

[digitalradio] MMTTY and WINPSK Friendly Computer??

2006-09-05 Thread kf8zn
Hello, All!! I had been running MMTTY for 3 years on an older(2003 vintage) laptop, using a homebrew interface connected to the serial port. FSK using a T-T Omni VI. Flawless operation, and the Hombrew Interface works well with WinPSK as well, SO I was a happy camper...AND THEN..