[Boatanchors] Converting Real Boatanchor Radios i.e. old marine band am rigs

[Raymond Cote]

Thanks got the heads-up on marine radio conversion. I have three or four laying around, small to fairly large. Smallest being The SR-210 (Scientific Radio ) now Harris. 

On Oct 2, 2012, at 19:38, bcarling at cfl.rr.com wrote:

> Yes Jay, and some of them that ran on 2182 kHz can be easily converted to run on 160m AM.
> I think I read of some guys doing his. The radios were pretty plentiful at hamfests for a song throughout the 1980s and 1990s. 
> I see less of them now, but they should still be cheap to acquire. 
> 
> All you need is a VFO or the right crystals and maybe pad the tuning capacitors just a hair if needed. Bingo - 160m AM, or 80m AM
> on a budget.
> 
> --
> 
> Best regards - Brian Carling
> 
> 
> ---- Jay Coward <jcoward5452 at aol.com> wrote: 
>> 
>> Has anyone done this: convert a marine band radio to 80 m AM use? Seems simple as many of these tuned 2-5 mHz. Change crystals and tweak a few trimmer caps and retune the plate tank. Many of these have DC/DC power supplies built in so run off +12V power. Maybe add a key jack and a simple bfo? They generally use 12DK6 sweep tubes for output and the higher power ones just parallel more tubes and use dynamotor supplies.
>> Ideas welcome.
>> Jay KE6PPF
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