[amsat-bb] ISS audio

Frank Bauer ka3hdo at verizon.net
Sun Dec 21 14:17:02 UTC 2014


The "new" radio is actually a Kenwood D710 which is located in the Russian
Service module.  The Service Module is where the ARISS team performed most
of its contacts in the past as it was near the table where all the crew had
dinner.  Since the first contacts with ARISS in 2000, the ISS has
significantly expanded, both in size and in crew size.  ARISS has expanded
too, with an additional station location in the Columbus module, which is on
the other end of ISS (about football field in length).  This is where the
US, Europe, Japan and Canada conducts most of its experiments and where they
spend most of their time.  Right now we are using a lower power radio, an
Ericsson handheld, in the Columbus module, as it was already on-board ISS
(launched in 2000).  Our near term plans is to upgrade the Columbus station
to a higher power radio (mobile radio class).  Keep an eye out for these
plans to mature.  

Note that we are unable to move radios from the Russian segment (Service
Module) to the US segment (where the Columbus module is located) as the
power systems are different (28V vs 120 V) and certification for the Kenwood
radios was only performed for the Russian segment.  At the last ARISS
International meeting, the delegates agreed with a plan to make sure all
future equipment is interoperable and certified across the ISS.  This will
cost more money and take more time, but should provide more equipment
flexibility for ARISS. 

For now, APRS is using the lower power radio in the Columbus module.

I hope this helps explain things.

73,  Frank Bauer, KA3HDO  
ARISS International Chair & AMSAT-NA V.P. for Human Spaceflight Programs


Message: 1
Date: Sat, 20 Dec 2014 21:32:00 -0600
From: John Fickes <kc0bmf at gmail.com>
To: amsat-bb <amsat-bb at amsat.org>
Subject: Re: [amsat-bb] ISS audio
	<CAG-+cOaWcWPnR6uMLwQcf+h6-WNRNexGxQ6Lf=3WDNsoynhBHA at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

So what is to become of the new D 700, Is everything moving back to it or is
APRS going to stay with the backup radio? Really like what I hear so far
from the new Kenwood.

                  73 John   KC0BMF

On Sat, Dec 20, 2014 at 2:39 PM, andy thomas <andythomasmail at yahoo.co.uk>

> The voice-over from the tracking program is no longer present, and 
> RS0ISS is transmitted in fast CW in between the pictures.
> 73 de andy g0sfj
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