[Milsurplus] Marconi CP24 radio question

Bruce MacMillan wirelessset at hotmail.com
Mon Mar 4 01:32:30 EST 2024


I did own one in the past when I lived in Vancouver. It was xtal'd for 
40M and might have had documentation. I don't recall who I sold it to 
(20 years ago). You might drop an email to the SPARC museum in 
Coquitlam, BC. They have a large library on Canadian products and their 
museum is worth a visit.
http://sparcradio.ca/

Bruce
M0SOE

On 04/03/2024 01:10, Hubert Miller wrote:
> I was not able to find a manual online. The set the club inherited 
> seems to have a photocopy schematic, that's all. I had limited time to 
> examine these things but the schematic didn't look at all complex to 
> me, certainly not a puzzler like a Northern Radio late years boat SSB 
> with drift cancelling circuit, upconversions and such. What i 
> specifically asking is the crystals freq offset. The set appears 
> pretty attractive but my reasoning is more mature at this age and i 
> think i do not want to take on any fixed crystals freq control rig, so 
> i'm going to be strong and pass this one by. The crystal issue is the 
> killer. I realize an astute experimenter could maybe use a dds freq 
> thing, but i don't need the diversion.
> Now re SEM52A, I need to pull it out of the carry thing and see what 
> if any accessories are there. Again, this is a crystal controlled set 
> and 6 meters, which is a double interest destroyer for me. I do not 
> want to ship anything for the club, but not closing the door on that. 
> I will be working on the premise cleanout this Wendsday ( logical 
> spelling ) Feb. 6 and will examine these 2. They were stored in the 
> dry environ on the upper floor of a building, unheated but dry.
> Again, i am interested in learning the crystals frequency 
> determination for the Canadian Marconi CP24 as well as any lead for 
> the manual.
>
> I did acquire from this equipment disposal a number of CB radios. 
> Remember "CB" ? I have a certain nostagia for CB radios and that era. 
> Plus practically no one wants them, unless the radio was tippy-top of 
> the models produced back when, which is kind of laffable, when you 
> consider it was only ( sold as ) a 5 watt, one band radio. But that 
> makes for dirt cheap prices. Actual usefulness is secondary.
> -Hue Miller
>
>
>


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