I monitor a very active UHF NXDN48 system consisting of 20 frequencies with very close channel spacing of 6.25 kHz. 20-30 percent of the transmissions drop out mid stream. You will hear someone talking and then part way through a word it drops out just like they un-keyed the mic. If the radio transmission is long enough it might pick up the conversation again but most times by the time scans back around the 20 frequencies it is lost. You can see this happen when viewing with Control Demo software as well.
I have not been able to determine why or what causes this. If I monitor this same system with DSD+ and SDR radio's there are no drop outs. It only appears to happen on the scanner. I use the same antenna on both the scanner and DSD+ through a distribution amp so everything that way is identical.
Has anyone else noticed this happen?
I have not been able to determine why or what causes this. If I monitor this same system with DSD+ and SDR radio's there are no drop outs. It only appears to happen on the scanner. I use the same antenna on both the scanner and DSD+ through a distribution amp so everything that way is identical.
Has anyone else noticed this happen?