Skip, The band is in great shape this evening (as of 23:30 utc) but there doesn't seem to be any Contestia / MT63 ops around. I'll be QRV on 14108.0 USB for while.
Glad to help out and I'll be sure to switch between modes quickly to avoid band changes. Tony -K2MO ----- Original Message ----- From: "kh6ty" <kh...@comcast.net> To: <digitalradio@yahoogroups.com> Sent: Wednesday, March 25, 2009 5:27 PM Subject: Re: [digitalradio] Contestia / MT63 Skeds pse > Tony, > > Glad you are doing this! I have been thinking about using Contestia for MARS > in conjunction with MT63 for messaging. > > Unfortunately, I have one net to call tonight and one to checkin to, so will > have to wait to see the results of your tests. > > Unless Conestia is especially good in other parameters, MFSK16 still holds a > 1.5 dB edge in minimum S/N, and seems to work very well in heavy static, so > it may turn out to be the best overall, but let's see. > > I used MultiPSk for my comparisons. > > Anxious to see what you find out! > > 73, Skip KH6TY > http://kh6ty.home.comcast.net > > > ----- Original Message ----- > From: Tony > To: digitalradio@yahoogroups.com > Sent: Wednesday, March 25, 2009 4:14 PM > Subject: [digitalradio] Contestia / MT63 Skeds pse > > > > All, > > Would like to run a few tests with Contestia (16/1K) and MT63 (1K) this > evening. The goal is to see if sensitivity simulations compare well with > on-air testing. Contestia should have an advantage since the peak-to-average > output is much better. Not sure about it's QRM resistance. > > The MT63 mode is somewhat faster in terms of characters-per-minute, but it > also has quite a bit of latency that adds to the total TX/RX turn around time. > > I tested both using a 100 word Pangram and found that MT63-1K (long > interleave) took 50 seconds to finish the text and 61 seconds to complete. > Contestia-16/1K took 64 seconds. The 8/1K Constestia mode took 43 seconds. > > Should be interesting to see how these modes compare. Not exactly lighting > speed and not much call for this other than those who prefer high-speed > chatting, but I think it's useful information nonetheless. I'll be QRV this > evening - March 25/26. Skeds welcome.... > > Tony -K2MO > > > > >
