Discussion:
ISS Digipeater Alias?
Lynn W. Deffenbaugh (Mr)
2011-01-07 21:27:54 UTC
Permalink
This may not be the best place to ask this, so if not, please tell me a
more appropriate list...

From http://aprs.org/iss-faq.html:

*ISS AND OTHER UI DIGIPEATERS IN SPACE* SATELLITE DWNLNK UPLINK
DIGI-PATH (choose one) DESCRIPTION
ISS 145.825 145.825 ARISS | APRSAT | WIDE Adding an optional
SGATE,WIDE on your path allows your
PCSAT-1 145.825 145.828 ARISS | APRSAT | WIDEn-N packet to be gated
to the FINDU system more easily.
ANDE 145.825 145.825 ARISS | APRSAT | WIDEn-N Sleeps between users.
Wakes for a minute.
GO32 435.225 145.850 4XTECH Use 145.93 uplink for all D7 and D700's



Is the ISS really responding to a path alias of WIDE? Or is this
obsolete (page last updated Jan 30, 2009) information?

I know that it responds to ARISS, but does it also digipeat on it's own
(RS0ISS-4) callsign?

And finally, based on the packets I've seen from it, it is doing alias
substitution rather than callsign insertion. Can someone who knows the
facts confirm or deny that observation?

Lynn (D) - KJ4ERJ - An ISS-worker wannabe
Stephen H. Smith
2011-01-08 01:34:54 UTC
Permalink
This may not be the best place to ask this, so if not, please tell me a more
appropriate list...
*ISS AND OTHER UI DIGIPEATERS IN SPACE* SATELLITE DWNLNK UPLINK DIGI-PATH
(choose one) DESCRIPTION
ISS 145.825 145.825 ARISS | APRSAT | WIDE Adding an optional SGATE,WIDE
on your path allows your
PCSAT-1 145.825 145.828 ARISS | APRSAT | WIDEn-N packet to be gated to
the FINDU system more easily.
ANDE 145.825 145.825 ARISS | APRSAT | WIDEn-N Sleeps between users. Wakes
for a minute.
GO32 435.225 145.850 4XTECH Use 145.93 uplink for all D7 and D700's
Is the ISS really responding to a path alias of WIDE? Or is this obsolete
(page last updated Jan 30, 2009) information?
I know that it responds to ARISS, but does it also digipeat on it's own
(RS0ISS-4) callsign?
And finally, based on the packets I've seen from it, it is doing alias
substitution rather than callsign insertion. Can someone who knows the facts
confirm or deny that observation?
As far as I know, the ISS digi is a stand-alone Kenwood D700. The internal
firmware limitations of this radio determine it's capabilities.

-------------------------------------------------------------------------------

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Stephen H. Smith wa8lmf (at) aol.com
EchoLink Node: WA8LMF or 14400 [Think bottom of the 2M band]
Skype: WA8LMF
Home Page: http://wa8lmf.net

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"APRS 101" Explanation of APRS Path Selection & Digipeating
http://wa8lmf.net/DigiPaths
Randy Love
2011-01-08 14:28:59 UTC
Permalink
According to this document:
http://www.termeszetvilaga.hu/radiokapcsolat/ariss_leiras_angol.pdf

There were several modifications made to the D700 on the ISS, one of the had
to do with the firmware and packet operations. The specifics of the firmware
changes were not discussed that I recall.

Randy
WF5X
Robert Bruninga
2011-01-08 22:00:25 UTC
Permalink
ISS 145.825 ARISS | APRSAT | WIDE
Is the ISS... responding to a path alias of WIDE?
Yes, probably
I know that it responds to ARISS, but does
it also digipeat on it's own (RS0ISS-4) callsign?
Yes
And... it is doing alias substitution rather than
callsign insertion.
Yes. They are all aliases except for WIDEn-N. And
unfortunately, ID is not enabled so that WIDEn-N packets do NOT
get callsign-inserted. Without the callsign-insertion, then the
packet will not make it to the www.ariss.net web page.

That is why using ARISS is recommended.

Bob, Wb4APR

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