After receiving some first class assistance on this website I was able to get DSD Plus Fastlane working properly. Last night our area had some strong thunderstorm activity. After they passed thru it was obvious the RSP1B wasnt working as well as it was prior to the storm. Decodes were 99% error decodes. What it did decode was choppy and not readable. Look around I saw this might happen during heavy rain etc as it might affect the receiving of data. Got up this a.m. (sunny-no rain) and its still not working the way it has in the past. Im wondering if perhaps it got a bit of a jolt from a nearby lightning strike. All other items in the room are working fine. Anybody get any ideas on this one before I send it off to repair.
DSD PLUS
- Thread starter K5uf
- Start date
What are you using for an antenna?
A full wave 20 meter delta loop (14 mhz) that I wasnt using on amateur radio presently.
The decode says bad frame when someone is talking (which is totally unreadable as its breaking up).
On the event log screen it is saying at times "unhandled pcu" in red letters.
The decode says bad frame when someone is talking (which is totally unreadable as its breaking up).
On the event log screen it is saying at times "unhandled pcu" in red letters.
If nothing has changed on your side, have you considered maybe the system had damage and, though working, may not be 100%? This being a Sunday on a holiday week techs may not rush out since it is still working. Just a suggestion before you start making all kinds of adjustments to your equipment and make it worse.
true/ probably mail it out tomorrow
TheButcher
Member
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- Jun 12, 2013
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- 287
Are you using an HF antennae for VHF / UHF reception ? That won't give good results.
Are you using FMP24? And with what hardware ?
Are you using FMP24? And with what hardware ?
@K5uf Do keep in mind that what you were experiencing could be multiple things, it could be simple misconfiguration or weak signal or interference.
If you have went into DSDPlus or FMPP and made changes using command line or keyboard options (on FMPP) or have went into DSDPlus menu and switched around a bunch of things that you didn't knwo what you were doing with, you can render it pretty crippled.
You should make sure you are using the right BW value in FMPP for the signal you are monitoring (4.0 for NEXEDGE48/IDAS, 7.6 or 9.5 for NEXEDGE96, 9.5 or 12.5 for P25 C4FM or QPSK/LSM). And you should make sure you aren't using so much gain that the receiver is overloading, but enough gain to maximize the SNR ratio for the signals you are monitoring.
Mike
If you have went into DSDPlus or FMPP and made changes using command line or keyboard options (on FMPP) or have went into DSDPlus menu and switched around a bunch of things that you didn't knwo what you were doing with, you can render it pretty crippled.
You should make sure you are using the right BW value in FMPP for the signal you are monitoring (4.0 for NEXEDGE48/IDAS, 7.6 or 9.5 for NEXEDGE96, 9.5 or 12.5 for P25 C4FM or QPSK/LSM). And you should make sure you aren't using so much gain that the receiver is overloading, but enough gain to maximize the SNR ratio for the signals you are monitoring.
Mike
Reference the HF antenna. Its been doing very well. I have been able to cover three counties including mine very well. Plans are to get an antenna that is constructed for 773 mhz which is the spectrum Im monitoring (law enforcement). I would say the configuration was ok as I have been using it with success until the level 3 thunderstorm came thru. After that no luck. Actually the only thing I have done is to enter my serial number to the software (sdrplay rsp1b). Im using a sdrplay rsp1b and DSD + fastlane software (FMPP) Bandwidth Im using is 12.5
slicerwizard
Member
Why don't you simplify things and see how some analog signals sound?
Been somewhat out of sync on this end (flu in household). Sent it to the repair center in Florida. Got a loaner today (RSP1B) and its working perfectly. Sounds like storm DOA. Thanks for all input! HNY
TheButcher
Member
- Joined
- Jun 12, 2013
- Messages
- 287
Issue with using an HF aerial for UHF reception is, overloading front end with HF signals.
I use a TV splitter to run two dongles. I find this extra bit of attenuation makes a difference with a high elevation resonant aerial. Makes the front end of the radios much happier.
From memory, the earlier SDR Dongles had no diode protection in the front end. Not that that would prevent lightning from blowing them into next week.
Well done with the RSP issue being swapped out. Good luck.
I use a TV splitter to run two dongles. I find this extra bit of attenuation makes a difference with a high elevation resonant aerial. Makes the front end of the radios much happier.
From memory, the earlier SDR Dongles had no diode protection in the front end. Not that that would prevent lightning from blowing them into next week.
Well done with the RSP issue being swapped out. Good luck.
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