[aprssig] APRS Local Info Initative TM-D710A compatibitility

Richard Sharp, KQ4KX kq4kx at arrl.net
Fri Apr 27 18:23:43 CDT 2012

Ron, try the following.


;146.85TRF*111111z4804.29N/09606.79Wr146.850MHz TOFF - R45m


;444.80TRF*111111z4807.60N/09610.63Wr444.800MHz T156 + R15m


According to pg. 25-26 in the D710's "getting acquainted with APRS &
EchoLink" manual it should be in this format.  If the repeater object is
formatted with just a "-" or "+" it uses the radios default offset setting
for that band.  So, the only time specifying the exact offset would be for
odd split repeaters.  Note the offset indicator after the TOFF & T156 (the
offset should have a space on both sides).   If the repeater is narrowband
the 'T' should be lowercase (tOFF or t156).    If the repeater transmits the
PL tone it should be C156 (c156 for narrowband).  Since the 2m side of the
D710 has auto offset the indicator on the object isn't actually necessary -
unless a user has the auto offset turned off.  I would recommend using the
offset indicator for 2m regardless just for consistency.  For the 70cm side
though the offset indicator is required.  Having the frequency listed in
full at the beginning of the payload will enable the frequency display on
the D710's station list on the right side.


Hope this helps.




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