On Sat, Jan 30, 2010 at 9:08 PM, ed_hekman <ehek...@cox.net> wrote: > > > > Interesting comments, Andy. > > My goal is also to be able to monitor all the digital portions of the band > and to be able to spot all call signs in any mode across the band. CW Skimmer > is a good model for that. In addition, it would nice to be able to select a > few segments of the band (~5 KHz span in each segment) and to be able to > select a few specific signals in each segment for continuous decoding in > various modes. As far as I know MixW is the only package that can decode > multiple modes simultaneously. PSDR and SDR-Radio allow the selection of > multiple segments (2 for PSDR, 3 for SDR-Radio) but the integration with > digital mode decoding is not built-in with the SDR software. > >
Ed, thanks. You are way ahead of me on this stuff. I have not tried "multiple segments" yet, that will be interesting to try. My maximum is 192 Khz at the moment. I expect that I will move to something like an SDR-14 in the future and have 30 Mhz capability at some point. I am glad I did not plonk down a hard earned thousand bucks to find out that the software isn't;really 'ready" yet, and that my PC's will need a major upgrade. So, I am happy with the learning curve at the moment and will be better prepared when ready to move up in a serious way. PSK "skimmers" are essentially already within FLdigi, Multipsk, Winwarbler, and DM780. Broadening PSK callsign mining to four of 5 Khz segments should eventually be possible , and not very taxing. RTTY skimming during a contest might require several 100 kHz segments, that might be tougher than skimming the same bandwidth for CW signals. I suppose the serious digital mode skimmer would want to continually keep an eye on all PSK31 and RTTY signals just like the CW enthusiasts want all CW segments. If there were eventually PSK31 and RTTY skimmers, the remaining Olivia, Hell, MFSK16, and THOR signals would be something most would happily manually watch/listen for. Thanks for sharing your benchmarks. Andy K3UK
