[Boatanchors] Help needed on yet another WWV receiver

[jmfranke]

4490 - 2500 = 1990 kHz IF
6990 - 5000 = 1990 kHz IF
10000 -8010 = 1990 kHz IF
15000 - 13010 = 1990 kHz IF
20000 - (9005 X 2) = 1990 kHz IF
25000 - (11505 X 2) = 1990 kHz IF

John

--------------------------------------------------
From: "Dave Merrill" <r390a.urr at gmail.com>
Sent: Tuesday, July 13, 2010 5:53 PM
To: <boatanchors at mailman.qth.net>
Subject: Re: [Boatanchors] Help needed on yet another WWV receiver

> Ron,
>
> Here are the crystals in my SR7H:
>
> 2.5 MHz   4490 KHz
> 5.0 MHz   6990 KHz
> 10 MHz    8010 KHz
> 15 MHz  13010 KHz
> 20 MHz    9005 KHz
> 25 MHz  11505 KHz
>
> Checked these with a frequency counter and they are all correctly marked.
>
> /dave
> N9ZC
>
> BTW, there is an Instruction Manual for the SR-7 on eBay: 250390292760
> Seller does not state if it includes a schematic and the price seems a
> little steep.
>
>
> On Tue, Jul 13, 2010 at 3:07 PM,  <bonddaleena at aol.com> wrote:
>>
>>
>> Hi. I recently acquired a Specific Products SR-7 WWV receiver. This is 
>> the common, tube type of radio.
>> Problem is, there is only one crystal in the radio. I bought it as 'non 
>> working', and that's ok , 'cause it was very cheap.
>> It is in pretty good condition. I would like to obtain:
>> a. an Owner's Manual (not likely)
>> b. a schematic
>> c. a list of the frequency of the xtals inside, so I can purchase 
>> replacements
>>
>> SP sold a LOT of these and surely some kind person out there could help 
>> me out. By the way,I will GLADLY pay for the info above!
>>
>> thanks!!!
>>
>> ron
>> N4UE
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