I recently purchased two RTL2832U/R820T SDRs from NooElec. These are fascinating devices that open up a whole new world for radio monitoring.
My problem is drift. I primarily use them to feed control channels into Unitrunker. Every few minutes, the signal will drop down to nothing, and Unitrunker will stop decoding. I adjust the correction by a couple ppm and it is back up to full decoding again. I tried using one to follow digital voice with DSD+, but it was frustrating because once I got good decode it would get bad because the receiver had drifted. I adjust the correction, and I’m back to good audio until it drifts again.
Things get better after they have been running for about 15 mins, but even then they will drift. Am I missing some configuration or setting that will help me with my drift issue?
My problem is drift. I primarily use them to feed control channels into Unitrunker. Every few minutes, the signal will drop down to nothing, and Unitrunker will stop decoding. I adjust the correction by a couple ppm and it is back up to full decoding again. I tried using one to follow digital voice with DSD+, but it was frustrating because once I got good decode it would get bad because the receiver had drifted. I adjust the correction, and I’m back to good audio until it drifts again.
Things get better after they have been running for about 15 mins, but even then they will drift. Am I missing some configuration or setting that will help me with my drift issue?
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