[ARC5] URM-25 non-D

[Roy Morgan]

I have and use an F-model. Is there a manual for that variant?

Mine has a modulation difficulty: the modulating waveform is normal sine wave, but the modulated rf envelope has serious distortion. 

Roy Morgan
K1LKY Western Mass
K1LKY68 at gmail.com

> On Dec 19, 2022, at 9:11 AM, Michael Hanz <aaf-radio-1 at aafradio.org> wrote:
> 
> What appears to be the original URM-25 manual: https://navy-radio.com/manuals/test/urm25-91283-5905.pdf
> 
> BAMA has -B and -C models to compare, as well as several D variations.
> 
> Hope that helps,
>  - Mike  KC4TOS
> 
> 
>> On 12/19/2022 8:32 AM, Ben Hall wrote:
>> Good morning all,
>> 
>> A URM-25 (no suffix, not a -D model) followed me home
.  , . 
>> 
>> Anyone got experience with the non-D URM-25 signal generator?
>>