[RVRC] Listen in to ARISS school contact with ISS....Friday, 24th April

[Marvin Bronstein]

Hi everyone,
Well, it was a ''quasi success''.  The ISS didn't pass close overhead and so 
the access time between AOS and LOS was quite ''short'' and signal strength 
was low and ''noisy''.  But I did ''copy'' the transmissions on 145.800 MHz 
from the ISS and listened to Samantha Cristoforetti, IZØUDF, answering 
questions from the class which was scheduled to make the ARISS contact.
Of course, the up-link was conducted on a different frequency and I have no 
doubt that the ISS downlink that was used for the contact with the class was 
other than 145.800 but the downlink audio was, nonetheless, also on the 
normal downlink frequency of 145.800.

I was ''mobile'' at the time using my 3 DBd gain mag-mount antenna with my 
Wouxun U/V8D which has a measured sensitivity of .15 uV for 10 DB SINAD 
(signal and noise to noise ratio). This resulted in a nearly full-quieting 
signal from the ISS (with some minor fade episodes).

Even though not having had my own QSO with Samantha, it was inspiring to 
listen-in!

73,
Marv
K2VHW


----- Original Message ----- 
From: "Prof Bob Hopkins" <bob at cooper.edu>
To: <rvrc at mailman.qth.net>
Sent: Friday, April 24, 2015 10:41 AM
Subject: Re: [RVRC] Listen in to ARISS school contact with ISS....Friday, 
24th April


Just so everybody knows, the qso may not be on 145.800 (the standard
downlink for the iss)  The times I have been present for these things a
"secret" 2m frequency is chosen to prevent QRM (intentional and
unintentional) so you might have to tune around.  Good listening!
73,
bob wb2udc


On 4/23/2015 9:11 PM, Marvin Bronstein wrote:
> Some FYI, tomorrow at 12:41 PM local time ISS astronaut Samantha 
> Cristoforetti, IZØUDF is scheduled to talk to school kids. And that’s the 
> same time the station will pass over our area. It may be a good 
> opportunity to tune in 145.800 MHz and take a listen.
> 73,
>
> Upcoming ARISS Contacts
> A telebridge contact with students at East Coast Chapter Tuskegee Airmen, 
> Inc., Youth In Aviation Program (ECCTAI YIAP) and Oxon Hill High School, 
> Oxon Hill, Maryland, USA, via K6DUE is scheduled with astronaut Samantha 
> Cristoforetti, IZØUDF, for Fri 2015-04-24 16:41:27 UTC 64 deg.
> http://www.ariss.org/upcoming-contacts.html
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