The GLB worked very well on my FM-76 (aka 13-509) but it only gave about
8dB gain overall to the receiver. Most of the gain was lost in the helical
coil front end, but it worked wonders on marginal receivers. It tighten up
the receiver and gave the impression of more added gain than 8dB. I still
have a couple around for 222Mhz, maybe I'll sell them if there is an interest.
73, Joe, k1ike
At 05:28 PM 8/3/2005 -0400, you wrote:
> For Years I used the GLB Preamp/Preselector on thefront end of my
> Midland 509 220Mhz repeater
>the preamp stage is an MRF-901
> I think a Gasfet Preamp will create to much noise
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