[time-nuts] Vintage Frequency Measurement

[Azelio Boriani]

1960's frequency counters
<http://www.radiomuseum.org/r/phywe_zeitmess_und_zaehlgeraet.html>
<http://www.radiomuseum.org/r/rohde_elektronischer_zaehler_fe.html>
using a counting tube E1T different from the usual dekatron
<http://www.radiomuseum.org/tubes/tube_e1t.html>


On Wed, Feb 15, 2017 at 11:54 PM, Bob Camp <kb8tq at n1k.org> wrote:
> Hi
>
> Silly Canadians :)
>
> It seems that the term either has drifted a bit over the last 70 years or there is indeed
> another British / US difference here.
>
> Bob
>
>> On Feb 15, 2017, at 5:00 PM, iovane--- via time-nuts <time-nuts at febo.com> wrote:
>>
>> This Canadian RCA apparatus was also called wavemeter but is a heterodyne
>> frequency meter and a signal generator.
>>
>> https://www.pa3esy.nl/military/us/meet/TE149/html/te149_set-gb.html
>>
>> iov
>>
>>
>>> ----Messaggio originale----
>>> Da: "Tim Shoppa" <tshoppa at gmail.com>
>>> Data: 15/02/2017 17.29
>>> A: "Discussion of precise time and frequency measurement"<time-nuts at febo.com>
>>> Ogg: Re: [time-nuts] Vintage Frequency Measurement
>>>
>>> For those of us who have to translate between the old "cps" and the modern
>>> "Hz", I found this handy conversion table on the web:
>>> http://www.aqua-calc.com/convert/frequency/hertz-to-cycle-per-second
>>>
>>> Tim N3QE
>>>
>>> [image: Inline image 1]
>>>
>>> On Tue, Feb 14, 2017 at 5:29 AM, Peter Vince <petervince1952 at gmail.com>
>>> wrote:
>>>
>>>> On 14 February 2017 at 04:23, Raj <vu2zap at gmail.com> wrote:
>>>>
>>>>> I have a Marconi T.F. 643 C, in Megacycles !
>>>>>
>>>>
>>>> Ah, a sensible, descriptive name for the unit.  Some of these modern units
>>>> really do Hert(z) :-)
>>>>
>>>>     Peter
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>>
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