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SQ9NRF > TECH 30.12.02 03:26l 55 Lines 2781 Bytes #999 (0) @ WW
BID : 180153SQ9NRF
Read: GUEST OE7FMI
Subj: FT-101 series convet 11m on 12
Path: DB0MRW<DB0MAK<DB0FSG<DB0PV<OE2XOM<OE5XBL<OE3XSR<OK0PBX<OK0PHK<OK0NAG<
OK0PPL<RZ6HXA<SP7MGD<SQ5BAQ<SR9ZAA<SR9BKR<SR9BKA
Sent: 021229/2328Z @:SR9BKA.#KAT.POL.EU #:42361 [Katowice] FBB7.00g $:180153SQ9
From: SQ9NRF@SR9BKA.#KAT.POL.EU
To : TECH@WW
Converting 11 Meter band to 12 Meters for the Yaesu FT 101 series ..
Although this procedure hardly qualifies as a "mod" (too easy), it is
certainly useful for the FT 101 series owner. Conversion to the 12 meter
WARC band is as simple as replacing a crystal. The 11 meter xtal is
replaced with a 30.52 Mhz 3rd overtone xtal in a HC-25/U holder as
specified in the FT 101 series maintenance manual. No other modifications
are necessary as the new band is close enough to the original that the
current components work. To replace the xtal, remove the oop cover and
find the xtal board located at right front of the rig.
Xtals marked xxxx are standard while oooo are optional on some units. X5,
for the 11m, band is an option and may or may not be installed.
10B xxxx xxxx 80
10C xxxx xxxx 40
JJY/WWV (1) xxxx xxxx 20
160 oooo xxxx 15
xxxx oooo < X5 the "11 meter" socket
.... xxxx 10A
The xtal was ordered from Marden Electronics (800-222-6093) although it is
probably available from the other companies which offer this type of item.
I'll skip the business details here, but it is cheap. I found fat fingers
a hindrance when yanking the old and insterting the new so I used a
hemostat (narrow nosed locking type device with "seconds" often found in
hardware stores, etc.). After checking with a local ham who monitored my
transmissions to make sure I was where I thought I was, I was in business
with 12 meters for my FT 101B.
How'd it go ?? After warming up the rig, I spun the dial a bit on what has
been a mostly dead band this summer. The first station I heard was a
little weak .. AA5QC .. no it's A35QC. I had no idea where that was, but I
gave him a call. It turned out to be JF1WQC vacationing in TONGA, my first
African contact and a 59 report at that! So here's an easy way to add a
WARC band and open new possibilities for DX adventure with your FT 101
series rig. Please let me know if you have any additional feedback or
comments on what has to be one of the easiest "mods" ever.
(1) This is another story .. note that it is a receive only band for 10
Mhz .. for now. See Page 70 of the Nov 83 issue of 73 Magazine if you
can't wait.
*************** SQ9NRF *****************
* op : Pawel *
* tel : 503903082 *
* email: sq9nrf@poczta.fm *
* BBS : SQ9NRF@SR9BKA.#KAT.POL.EU *
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*************** VY 73! *****************
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