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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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mods
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yaesu
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ft23r_5.doc
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FT-23R
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Text File
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1990-10-09
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957b
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20 lines
YAESU FT-23R EXTENDED FREQUENCY RANGE:
"Circumcising" the FT-23R is remarkably simple. Removing one solder
blob (pad #7, clearly marked, 10 o'clock position from the speaker, 9
o'clock from the microprocessor) lets the radio receive and transmit
from 140.0 to 163.995 MHz. The two circuit boards with surface-mount
components are uncluttered. When opening the radio, be careful not to
lose the tiny coil-spring inside the battery-release button. I
haven't measured receiver sensitivity, nor do I know about performance
in big-city RFI; the FT-23R is considerably more sensitive at 162-MHz
weather frequencies than is my modified Icom IC-02AT.
HAM on Rye is not responsible for any modifications performed
by the user. This file is intended for educational purposes
and should not be used to extend trasmitting ranges beyond
which the receiver was designed and approved.
HAM on Rye BBS * (814) 333-4111 * 1200 - 2400 (8-N-1)