Benton,
Take a look a the supported features documentation, http://chirp.danplanet.com/download/0.3.0/Model_Support.html. If you scroll over to the right, you will find a column labeled "Duplexes". It will list for each radio what the valid options are, including the "off" option.
----- *Kevin Whipp* Phone: 240.242.9850 Amateur Callsign: W3KDW Email: kwhipp@gmail.com ARRL: w3kdw@arrl.net Winlink: w3kdw@winlink.org
On Thu, Jan 2, 2014 at 2:02 AM, Benton Holzwarth bcgh@aracnet.com wrote:
I'm helping organize a base set of frequencies -- a 'standard load' -- for our local CERT group, Tigard, OR. I've read a ton of posts and come up with a base set of guidelines that I'm hoping will cover the 'least common denominator' radio that someone might show up with.
o Don't use row zero, some radios start at row-1 o Hold to 5 characters for the memory 'name' o Include the FRS and official frequencies as Rx only o Different radios have different numbers of memories, pack the highest priority bits into the lowest memory-rows. Some radios stop at 16 memory-rows, others go to 100 or 128
We'd like to load some Rx-only frequencies -- FRS, the local police forces and ambulance service that use UHF, but in Rx-only. When I set 'duplex' to 'off' Chirp says something about not all radios support this setting.
o Is there a list of radios that do support? o If I try to program duplex-off into a radio that doesn't support it, what is the reaction from Chirp? Does it let me know there's a problem or just gloss over and make those frequencies tx-able?
I'm trying to figure out how best -- across a wide field of radios -- to manage a set of frequencies that should be Rx-only. Duplex off/split/offset One solution seems to be to dial in 'split' pointing the tx-side to a harmless corner of the Amateur band.
Thought?
Benton 1jan14
KF7QLP benton@siletzbay.com
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