[TMC] AN/TSM-16 or FR-114/U?

[W2HX]

Same here, Chris. I am not sure where I’ll use the counter. Likely at the output of the SBE and before the PAL-500 so I can get a final frequency. It is interesting that the SBE has no CW mode. I guess you just insert a lot of carrier and key up with no audio to get your center frequency.


73 Eugene W2HX
Subscribe to my Youtube Channel: https://www.youtube.com/c/w2hx-channel/videos

From: Chris Bolkan <bolkyboats at gmail.com>
Sent: Wednesday, May 25, 2022 12:10 PM
To: W2HX <w2hx at w2hx.com>
Cc: William Cromwell <wrcromwell at gmail.com>; milsurplus at mailman.qth.net; tmc at mailman.qth.net; MMRCG at groups.io; mrca at mailman.qth.net
Subject: Re: [TMC] AN/TSM-16 or FR-114/U?

Hi Eugene!
It was great meeting you at Hamvention. That's a cool frequency counter and will be a nice (period correct) addition to the VOX once you get it set up. You have some nice TMC there! I'm particularly envious of the Matching unit display. Someday I hope to acquire one of those!
It sounds like your plan is to connect the counter to one of the output ports on the oscillator to directly display the multiplied output frequency as opposed to "T"ing off the 2-4 MHZ master oscillator? If that counter went to 2 Mhz instead of 1 you could have hooked it straight up to the MO without having to do any mods whatsoever, with the only penalty having to do a little multiplication to get the actual value. But since you have to make a divider anyway, might as well make it read the actual frequency!
Take care!
Chris
KI7NXY

On Tue, May 24, 2022 at 5:06 PM W2HX <w2hx at w2hx.com<mailto:w2hx at w2hx.com>> wrote:
My plan is to put a pre-scaler divide-by-10 circuit in front of the counter. That should get me 20 MHz counting with one digit less resolution (fine by me, 20 meters is max I generally operate). Or I can do divide-by-100 for all of HF. And I think it will pair very nicely with my TMC station for frequency readout.

https://w2hx.com/x/TMC%20Technical%20Materiel%20Corporation/TMC%20Station%2005-2022/20220524_191432.jpg

I will probably re-arrange the rack units in a different way but just for the picture...


73 Eugene W2HX
Subscribe to my Youtube Channel: https://www.youtube.com/c/w2hx-channel/videos

-----Original Message-----
From: milsurplus-bounces at mailman.qth.net<mailto:milsurplus-bounces at mailman.qth.net> <milsurplus-bounces at mailman.qth.net<mailto:milsurplus-bounces at mailman.qth.net>> On Behalf Of William Cromwell
Sent: Tuesday, May 24, 2022 9:45 AM
To: milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net>
Subject: Re: [Milsurplus] AN/TSM-16 or FR-114/U?

Hi,

I had one of those once upon a time. A few years ago I offered it for sale and eventually for free. It stayed here. I harvested some parts and scrapped the rest. I had documentation that may still be in a file cabinet. I will look later today. I used it set the tone frequency of an adjustable PL tone generator on my service bench. and to set the the adjustable tones in two-tone paging gear.

Incidentally I have a mil surplus VHF/UHF CW/AM signal generator in it's shipping case - same status. It's a nice unit and I once used it often.
I have better stuff now. I have decided what parts and sub-assemblies to keep. The bolometer in that unit is very attractive. I will make one more attempt to find that a new home. It is heavy. At my age I avoid picking it up!

73,

Bill KU8H

bark less - wag more

On 5/23/22 10:35 PM, W2HX wrote:
>
> I am looking for some documentation on this 1 MHz frequency counter.
> Preferably a schematic and theory of operation. The counter is the
> FR-114/U
>
> I did find this information but looking for more:
>
> http://www.ase-museoedelpro.org/Museo_Edelpro/Catalogo/Overview/Instrumentation/Mil_FR-114U%20Frequency%20Meter/FR-114U.pdf
> <http://www.ase-museoedelpro.org/Museo_Edelpro/Catalogo/Overview/Instrumentation/Mil_FR-114U%20Frequency%20Meter/FR-114U.pdf>
>
> 73 Eugene W2HX
> Subscribe to my Youtube Channel:
> https://www.youtube.com/c/w2hx-channel/videos
> <https://www.youtube.com/c/w2hx-channel/videos>
>
>
>
>
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