Re: FA: Matched SSB/CW sets of 10.7 Mhz IF crystals.

The Eternal Squire <eternalsquire@...>
 

Lee Dakin wrote:
I am interested in a set for SSB at 10.7MHz.
Is apersonal check O.K.? or would you like a postal money order?
73
Lee  WA1CQN

eternalesquire wrote:
Hi,

I just won on Ebay a large lot of 10.7 Mhz Crystals.  If anyone wants
to use this intermediate frequency I can provide a matched set of 4
plus a 5th for BFO.   This IF would be useful primarly in ITU region
2, where WWB makes it impossible to use 10 Mhz as the IF.

I am willing to sell matched sets on the following terms:

1)  I will only sell to people in North or South America, exclusive of
Cuba and other countries that US citizens are forbidden to sell to.

2)  You will be getting 4 matched crystals, plus a fifth unmatched
crystal for BFO.

3)  Before you send money I will send you an invoice containing exact
measurements for each crystal, including the BFO crystal.   This
invoice also contains the exact cost of postage to your destination
depending on available carrier.  You are responsible for your own
customs duties, import fees, and excise taxes.

4)  Each crystal in the package of 5 will be packed in its own bag
marked with its frequency measurement.

5)  SSB matching will be within 100 hz of average frequency for
matched set of 4 where each crystal is measured in series with a 33 pF
silver mica capacitor having 20% tolerance.

6)  CW matching will be withing 30 hz of average frequency for matched
set of 4 where each crystal is measured in series with a 33 pF silver
mica capacitor having 20% tolerance.

7)  Each crystal matched to SSB specifications would cost $2.00 USD,
so a set of 4 will cost you $8.00 USD.

8)  Each crystal matched to CW specifications would cost $5.00 USD, so
a set of 4 will cost you $20.00 USD. 

9)  Your unmatched BFO crystal comes at no extra cost.

10) Payment shall be made by PayPal, US postal money order, or
International Reply Coupons.  Personal checks not accepted.  No
exceptions.

I don't believe this is an unreasonable cost for my time and labor to
handmatch crystals, to spare somebody else the same effort of having
to buy a lot and sift through them with a test oscillator and
frequency counter.

If the majority of you disagree, please tell me and I will reconsider. 

Thanks,

The Eternal Squire




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Just got back from Labor Day vacation, I'll get back to you.  Hold off on payment till
I get you a set measured for you and will post a set of numbers peer reviewed by this forum.

The Eternal Squire

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