Maratrac UHF RX

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ledzep11
Posts: 145
Joined: Mon Nov 05, 2007 5:21 pm
What radios do you own?: MT500 with MODAT

Maratrac UHF RX

Post by ledzep11 »

I have a Maratrac UHF 450-470 that I would like to increase RX sens around 441. Currently the lowest I can get it is about .5uV. Tried changing the aluminum slugs to brass/metal 6/32 screws, but that didn't help at all. Any suggestions? Maybe some caps need changed?, or am I s o l ?
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Will
Posts: 6823
Joined: Tue Sep 04, 2001 4:00 pm

Re: Maratrac UHF RX

Post by Will »

You need to increase the inductance of the front end and injection coils. So you need ferrite slugs.
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