At 7/29/2010 11:34, you wrote:
>Another very good choice for this application is the GLB Preselector / >Preamp from Simrex Corp. > >I have several of these deployed on 144 / 220 / 440 Amateur repeaters and >they all perform very well. They can be tuned to maximize gain or >selectivity per your requirements and their support is outstanding. ...but what is the noise figure? I'm going to ask this every time someone says they "perform very well". Bob NO6B