FW: [OZAPRS] TT3 and a fm900 radio

[Gordon Taylor]

David,
	This is what I did, circuit is courtesy of a VK7 as noted.

Regards,
Gordo VK4VP

-----Original Message-----
From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
Behalf Of David McAulay
Sent: Wednesday, 17 June 2009 15:39
To: ozaprs at aprs.net.au
Subject: [OZAPRS] TT3 and a fm900 radio


Hi All
Wonder if someone maybe able to help please.
A couple  of us here in VK3 have ordered the tt3 from the usa, and in
prepartion are trying to make up a cable to suit a fm900 radio using the 8
pin din on the back of the radio. We propose to use the middle pin which  is
not connected at present to supply 12v to the tt3. The gps we propose to use
is a 12v unit Looking at the tt3 web pages and cicuits between us we are
still confused on what pins of the tt3 db9 we use

and to what pins of the fm900
Im sure someone has done it
 
Could I ask you share this please with me
 
Thank you
 
All replies appreciated
 
73 David VK3EW


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