Re: [digitalradio] Re: PSK-ARQ versus ALE-400

2009-05-28 Thread Simon (HB9DRV)
This is where a combination of Patrick's RSID idea (also in fldigi and DM780 5.0 and PocketDigi) and SDR will help. On July 1st I want to start writing my own Windows SDR console, initially for SoftRock and later other SDR radios. Instead of monitoring ~3kHz as at present we'll be able to

Re: [digitalradio] Re: PSK-ARQ versus ALE-400

2009-05-28 Thread Rick W
Say, John, you also use Pactor 2 and 3 which are always 100 baud PSK modes. Do you find that these modes work through the ionospheric conditions when sound card modes, even those with similar modes do not? I find PSK to be rather poor at times here at 44 degrees N latitude, unless you are

Re: [digitalradio] Re: PSK-ARQ versus ALE-400

2009-05-28 Thread José A. Amador
Rick W escribió: Say, John, you also use Pactor 2 and 3 which are always 100 baud PSK modes. Pactor and Pactor 2 can work at 200 baud. Buit it requires little multipath and good SNR. Do you find that these modes work through the ionospheric conditions when sound card modes, even those

RE: [digitalradio] Re: PSK-ARQ versus ALE-400

2009-05-27 Thread John Bradley
I live at a higher latitude than many folks in the US and find that PSK is susceptible to aurora flutter/multipath more often than most modes. There are time up here that nothing will decode PSK despite the fact the band is open and active. I'm not technically competent enough to say why, but

Re: [digitalradio] Re: PSK-ARQ versus ALE-400

2009-05-27 Thread Andy obrien
I find Multipsk easy to use , although ALE400 is more complicated than other modes in Multipsk. However, many hams that I introduce to digital modes , via demos, are taken aback by Multipsk, they find it too intimidating. FL-digi seems to be gaining ground because it is perceived as easier to