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  • ...set of 4 frequencies? (with the same sensitivity) (I'm not saying I want to do this, just an academic question). 73 Bo, OZ2M 73 kristoff - ON1ARF
    Kristoff Bonne May 22, 2014
  • ...datacommunication and mesh networking. I have also used them for ham-POCSAG paging. This test with WSPR is just "nice to try out". 73 kristoff - ON1ARF On 18-05-14 21:49, booz2m@^$1 [wsjtgroup] wrote: Hi OK :-) Yes, the function WSPRMakeSymbols will do the trick for you...
    Kristoff Bonne May 18, 2014
  • ...would be nice as this means we have a cheap way to try out WSPR on (say) the 869.3 Mhz ISM-band (500 mW EiRP allowed in EU). 73 kristoff - ON1ARF On 18-05-14 13:16, booz2m@^$1 [wsjtgroup] wrote: Hi Not sure what you mean with "two bit pattern" but here is source code...
    Kristoff Bonne May 18, 2014
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  • Hi, I know I can probably scrape this out of some of the open-source WSPR applications out there, but where can I find the code to generate a WSPR "2-bitpattern" for a particular message? I want to do a small experiment if it is possible to transmit a WSPR-signal using a si4432 RF-modulate using the "unmodalated carrier" mode, so I just need a message I can transmit as a test. 73 kristoff - ON1ARF
    Kristoff Bonne May 18, 2014
  • ...pandaboard and on a raspberry pi. it does require a FPU; so non-FPU ARM systems are out of the question. Thanks. Andy WA3LTJ 73 kristoff - ON1ARF
    Kristoff Bonne Sep 5, 2012
  • ...influence this behaviour). There are a number of files that are modified every 2 minutes or on certain events: [pid 22266] open("/home/kristoff/wspr/wspr/decoded.txt", O_RDWR|O_CREAT|O_LARGEFILE, 0666) = 4 [pid 22266] open("/home/kristoff/wspr/wspr/wspr.log", O_RDWR|O_CREAT...
    Kristoff Bonne Jul 2, 2012
  • ...just the difference in CPU can explain this 20-times time difference. There must be something else playing here. Jeffrey WE0A 73 Kristoff - ON1ARF
    Kristoff Bonne Jun 30, 2012
  • ...bad idea to all the user to specify a directory where to store local files. That way, she can point it to -say- a RAM-disk. 73 Kristoff - ON1ARF On 29-06-12 22:55, bob_g3wkw wrote: I just had a very quick try to run with nogui. Lot's of error messages about not finding...
    Kristoff Bonne Jun 30, 2012
  • ...would perhaps be interesting to have a very good look at the compiling-process and check if nothing can be tweaked overthere. 73 Kristoff - ON1ARF On 28-06-12 02:28, bob_g3wkw wrote: I have managed to send and receive, and upload spots using a Raspberry Pi with Debian...
    Kristoff Bonne Jun 29, 2012
  • Hi, Forgot to put the list in cc: 2nd try. :-) 73 Kristoff - ON1ARF -------- Original Message -------- Subject: Re: [wsjtgroup] KVASD_95 for ARM linux Date: Tue, 26 Jun 2012 08:26:52 +0200 From: Kristoff...No need for a GUI for that, so less code. Cheaper then a PC, less power-consumpting that a PC and no fans that make noise. -- 73, Joe, K1JT 73 Kristoff - ON1ARF
    Kristoff Bonne Jun 26, 2012