|[AMRadio] ICM crystals|
ne1s at securespeed.us
Wed Dec 17 07:57:58 EST 2014
On 12/16/14 4:09 PM, Donald Chester wrote:
> Something I have noticed the past few years is that at hamfests, crystals
> for amateur frequencies are practically non-existent. Plenty of 3 MHz below
> 80m, 5 MHz and 8 MHz, but rarely anything for the ham bands.
Many of the 8 MHz xtals were used to multiply up to 6 and 2M.
I still run into ham band crystals at the fests, although ones outside
the bands are more common. At the fall NEARfest I found and purchased
one for 1890 KHz, and there was a 2nd one I left there for someone else
to buy. The asking price was only $2 each. Another table was selling ham
band FT-243s for $5 each.
For a while I had been looking for a FT-243 for 7055 KHz (or at least I
thought I was) in order to put my Central Electronics 20A on 1945 KHz
with stability, and this guy had one. When I went to reach for my
wallet, however, I came to the realization I no longer really needed it,
as I recently constructed a DDS VFO to use with that rig, which works
great. That plus the fact that a scribbling on the xtal indicated the
true frequency was a few hundred Hz removed from 7055.000 KHz tipped the
scales and I left without buying it.
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