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I bought this old radio at a radio rally (ham fest) dirt cheap and it had a horrible howling on received signals and low modulation so I recapped it and that fixed the howling and it now RX good and 4w output but modulation is not good (quiet and slightly distorted) I have to use one of those cheap Altai single battery power mic on it with little wheel on 10 to make it usable, is there anyone here familiar with these old radios (PLL date code 22nd week of 1976) and is there something I can do to increase modulation?

TIA

[QUOTE="Stapler, post: 855673, member: 9264"] I bought this old radio at a radio rally (ham fest) dirt cheap and it had a horrible howling on received signals and low modulation so I recapped it and that fixed the howling and it now RX good and 4w output but modulation is not good (quiet and slightly distorted) I have to use one of those cheap Altai single battery power mic on it with little wheel on 10 to make it usable, is there anyone here familiar with these old radios (PLL date code 22nd week of 1976) and is there something I can do to increase modulation? TIA [/QUOTE]

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