[aprssig] Argent open tracker
ai4ri at cfl.rr.com
Thu Jul 14 12:19:33 CDT 2016
Likewise with randy
I have 3 gps 18s and they work perfectly fine.
I also have the gps18 lvc which is the low voltage version and runs perfectly fine on 5 volts on an Arduino.
From: aprssig [mailto:aprssig-bounces at tapr.org] On Behalf Of Randy Love via aprssig
Sent: Thursday, July 14, 2016 13:15
To: Tom Hayward; TAPR APRS Mailing List
Subject: Re: [aprssig] Argent open tracker
I have used Garmin GPS18 pucks with the DE9 Femail interface intended for connection to PC's directly into OT+ devices without concerns for levels.
They have worked without issue.
If you hook a GPS18 up to a PC and verify that it is sending NMEA sentences at 4800 baud 8N1, then it will work correctly with an OT+, OTUSB, T2, or T3.
That has been my experience with the GPS18's that have the DE9 Female interface with OpenTracker devices. I have 4 GPS18's and have used them with many different OpenTracker devices as well as Byonics TT3's and Knwd APRS capable radios ( TM-D700, D7, D710, and D72 ). No additional level sense or polarity modifications were needed.
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