[OZAPRS] TNC

Shaun shaunbaby at optusnet.com.au
Thu Jan 14 07:03:55 EST 2010


My Alinco DV-70'something' also sleeps with no software tool to disable it.

An old FT-411 or FT-470 you could disable sleep or enable it in 0.1 sec 
increments up to 1 second sleep, thus reducing standby current to average 
6ma.

Shaun VK2XPP-9

On Wed, 13 Jan 2010 10:05:10 Norm, VK3XCI wrote:
> Interesting,
>
> I've been using a 2M Quansheng for APRS for some time and I'm well aware of
> the Sleep problem. I've just never quantified it so thank you James.
>
> The DC effect is a new one to me, but does explain some odd things. We have
> our local digi set with a TXDelay in the order of a couple of hundred
> milliseconds. My own digi(when it's running... so many things, so little
> time!)has 700ms. In a mobile situation I receive most of my  digi'd packets
> and occasional other packets. Obviously transmitting also wakes up the rx.
>
> Those od missed packets puzzled me a bit, wonder if it's a DC audio proble?
> Im using an OT+ tracker and an old Garmin GPS12 so not rxing accurately
> doesn't really matter a lot.
>
> BTW, defeating the sleep mode with the monitor switch really kills the
> battery life on rx as it runs the receiver and audio. Wonder if there's a
> software/firmware way of defeating it and still having a squelch
>
>


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