[chirp_users] ? re 'duplex' field

Kevin Whipp, W3KDW w3kdw at arrl.net
Thu Jan 2 05:43:28 PST 2014


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"

*Kevin Whipp*
Phone: 240.242.9850
Amateur Callsign: W3KDW
Email: kwhipp at gmail.com
ARRL: w3kdw at arrl.net
Winlink: w3kdw at winlink.org

On Thu, Jan 2, 2014 at 2:02 AM, Benton Holzwarth <bcgh at 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
> --
> benton at siletzbay.com
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