[MRCA] [Milsurplus] FR-114 Digital Frequency Counter

WA5CAB at cs.com WA5CAB at cs.com
Thu Apr 13 12:00:53 EDT 2017


It's only about a third as large as I expected before I looked at the 
photos.  :-)

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 04/13/2017 09:09:30 AM Central Daylight Time, 
kb2vtl at gmail.com writes: 
> Oh, come on Ray, it's not THAT large!  And the technology is very cool. 
> 
> Peter
> 
> 
> On Apr 13, 2017, at 9:54 AM, Ray Fantini <RAFANTINI at salisbury.edu> wrote:
> 
> 
> 
Quite often it turns out that you want something just because you want it, 
not for any good reason or practical purpose but just 
> >> because you want it. For some unknown reason I have now decided that I 
>> want a FR-114U Digital Frequency Meter.
>> 
>>  For those unfamiliar with this device it’s a first generation vacuum 
>> tube digital frequency counter that counts up to about 1 MHz, it uses 
>> something called a Trochotron beam-switch counters controlled by a 100 KHz time 
>> base firing a 6D4 thyratron.
>> 
>>  Think I posted something in the past about the HP-524 family of counters 
>> but for now have given up on trying to locate a 524 thinking that the 
>> size and space requirements may be a bit too much for the current shop, keep 
>> in mind that this is being posted by someone who already has a couple full 
>> size PDP-11 systems along with a ton of other radios currently in the 
>> shop. Although I did sell off a broadcast transmitter that I had on 160 so 
>> that provided a hole. 
>> 
>> But there it is, insanity has no limits. I want a first generation huge 
>> digital frequency counter. 
>> 
>> Nothing happens in a vacuum, this weird desire to want a FR-114U stems 
>> from seeing one on EBay at:
>> 
>>  
>> http://www.ebay.com/itm/VINTAGE-Military-Sentinel-FR-114A-U-Digital-Nixie-Tube-Frequency-Meter-TESTED-/122368130037?hash=item1c7db57bf5:g:Xc8AAOSw2
>> gxYrgPT
>> 
>>  Just don’t want to pay that much money plus shipping!                    
>>     
>> 
>>  Ray F/KA3EKH
>> 
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