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Mobile OH4MFA-9 

Rig and modem: MDR-150
Antenna: 1/4 wave vertical, magnetic base
GPS: Globalsat BR-304

Pedestrian mobile OH4MFA-12

Rig: Icom IC-W31E with standard batterypack
Antenna: Icom rubberducky
Modem: OpenTracker+
GPS: Globalsat BR-304
Modem and GPS powered by 12 V 1,2 Ah sealed lead-acid battery.

Testing OT+

Here is screen shot from aprs.fi. Colours are somewhat different.

OpenTracker+ build photos

Parts inventory of OT+ kit.


Almost ready.

Going to case.

Updated: 24-tammi-12

2000-2012 Jukka Tarvainen

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