From: Garey Barrell 
Subject: Re: [drakelist] Needed: 13.6mc R-4 x-tal

> 
> 
>> Hi George,
>>
>> Think you mean a 12.6 MHz for 160m?  I just ignored the 160m
>> alignment procedures on my R4A and had no trouble without it.
>>
>> I'm pretty certain all the R4/T4/TR3/TR4 series use series resonant
>> 3ed overtone HC6/U crystals.  The +/- 50 ppm standard tolerance
>> seems to work fine for me.  I've had to replace a few in TR3/TR4
>> that were WAY off frequency.  I'd be wary of buying any old
>> crystals even though I haven't seen this in R4/T4's.  I've had good
>> luck with Petersen Radio for new "rocks" and received stuff the
>> same week I ordered them.  I just email him exactly what I want
>> and typically get the crystals way before I get the bill.  So far
>> they have been dead on freq., fast and I like doing business in
>> that manner.
>>
>> 73,
>> - Mark K9MRK
>> ----------------------------------------
>>
>> Petersen Radio co., Inc.:
>> Jjk51503{at}aol.com
>>
>> Drake 4 series spec.:
>> HC6/U holder
>> 3ed overtone
>> Series resonant
>> +/- 50 ppm tolerance (std.)
>> ---------------------------------
>> Thank you for the inquiry.  The crystals are $11.00 each plus $3.50 
>> postage for up to 5 crystals.  Delivery is usually 2 - 3 weeks
>> and payment may be made by check or money order upon your receipt of 
>> the invoice.  If you want to order, I need to know the type of
>> holder that you need and your mailing address.
>>
>>
>> > Good evening all,
>> >
>> > Would anyone have a spare, "13.6 mc parallel resonant
third overtone
>> > crystal designed to operate into circuit capacity of 32 pf"?
>> > I need one to align an R-4 per the manual.
>> > Is there a work around to peak it without the crystal?
>> > I can order a new  one if needed.
>> >
>> > Thanks in advance, George KB2Z
>>
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