[aprssig] Now 5 APRS Channels!
Andrew Rich
vk4tec at tech-software.net
Mon May 23 11:46:32 EDT 2011
That will come in handy for Australia !
Sent from my iPhone
Andrew Rich
On 24/05/2011, at 1:43, "Bob Bruninga" <bruninga at usna.edu> wrote:
> Here is an updated recommendation for APRS channels in your APRS radio. The
> purpose of all these channels is to allow you to configure the A side of
> your radio without ever turning down the radio volume on that side. This
> makes sure you are always listening for voice alert calls, but can mute the
> packets temporarily or change to any of these other functions without having
> to touch any menus or function buttons.
>
> Ch FREQCY OFFSETS CH NAMES TONES USAGE
> -- ------ ------- -------- --------- ----------------------------------
> 1) 144.39 simplex APRS raw No tone for troubleshooting
> 2) 144.39 simplex APRSnorm CTCSS 100 with Voice Alert
> 3) 144.39 simplex APRSmute DCS xxx for quiet or selcall at APRS events
> 4) 144.39 + 600 APRSevnt CTCSS 100 for special event with lots of HT's
> 5) 144.99 - 600 APRSdigi no tone to be a WIDE1-1 offset digi
>
> Notice, the change in channel 3. The reason is, that unless you program the
> actual CHANNEL NAMES shown above, then looking at the radio, you cannot tell
> the difference between channel 2 and channel 3 operation. Both show as
> 144.39 with CT. But if you make the "mute" channel use an unknown DCS code,
> then that channel will appear as 144.39 DC which is distinguishable from
> 144.39 CT.
>
> Bob, WB4APR
>
>
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