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About
Last week, I started experimenting w/ putting up a rig (and software) for servicing as “Receive Only iGate” for ARISS. An RX only iGate will essentially operate in the mode of listening for APRS packets, and simply iGate them over to the APRS-IS server pool. The RX only iGate does not do any level of TX of any capacity. That is, when it iGates an APRS packet, you would not expect to see a RF TX to notify the world that it had iGated the packet. The only trace you will find that it had igated was if you were to monitor the traffic in the APRS-IS servers (you could use my other app “APRS-IS client dashboard”) or via the aprs.fi or ariss.net websites.
With this project idea in mind, I had then purchased or downloaded the following materials:
I had then tuned up my radio to 145.825Mhz, set up the XASTIR software, configured the TNC-Pi, and let it roll.
I then did a few tests and the below is the report of that project in its current state:
Ok…quick update folks.
The tests w/ ISS pass-thru last night went successfully. I was able to igate 4 stations, received one ping back ACK from ARISS repeater RS0ISS. The packets that were iGate happened *after* their packets got digi’d past thru the “RS0ISS” digipeater (this is the expected behavior). So, the ISS Rx Only iGate is officially a “go”. To summarize this portion of the project, the following is the spec notes:
Next Steps:
Couple of screen shots
The following is a dump of the ARISS.NET traffic catalog and the one latter is from APIRS.FI site
Thanks for following w/ me on this project, there’s more going on here in the next few weeks. Please stay tuned and let me know your ideas, thoughts, etc.
73, N0AGI
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