[OZAPRS] Using Maxon Radios for RX

[Andrew McDade]

Ive just had a look inside one of these maxon DM2550 radios. It has a blue

plastic IF filter labeled K F455R , so a different package compared to 
Chris's picture. I cant find any specs on this one though , I haven't
looked 
too hard yet !! ..

Regards .. Andrew .. VK5EX

----- Original Message ----- 
From: "Craig Turner" <craig at craigturner.id.au>
To: <vk3jfk at amsat.org>; "VK / ZL APRS Users" <ozaprs at aprs.net.au>
Sent: Tuesday, June 20, 2006 8:15 PM
Subject: [OZAPRS] Using Maxon Radios for RX


> Hi,
>
> With all these maxon radios being bought, is anyone using them for RX as
> well as TX? I am trying to set up a TNC-X with the X-Track option in my
> car. At the moment its set up in my lounge room, with an antenna located
> outside on the roof. I'm in an area that gets good coverage from
> VK1RGI-1 on Mt Ginni in the ACT.
>
> Anyway, my TX seems to work fine.
>
> I have the input GND connected to Pin 4 on the Maxon, and the TNC-X rx
> line connected to Pin 2 (which is labelled in the maxon service manual
> as 'Muted Demodulation Output) I have tried also pin 9, which is
> labelled (Data out low level filtered output), which doesn't seem to
> work either.
>
> I have limited sucess by using a HT and a TT about 10 feet away from the
> antenna, and it works, but not much further than that.
>
> Anyone got any advice?
>
> Regards
> Craig
> VK1HCT
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