Just wondering if anyone is using, or has used, or has any knowledge of, the
LNA-DUAL-AIR-O Pre-Amplifier which is available from ScanerMaster. I would like to use one of these, instead of a separate filter & pre-amp, unless anyone suggests otherwise. I guess that, as with just about everything, there are pros & cons. On the pros side, everything is contained in a single weatherproof ...