[amsat-bb] Re: [Sumbandila: 127] RE: SA-AMSAT payload activation on SO-67
Hans
hans at intekom.co.za
Fri Nov 6 20:27:25 PST 2009
Thanks Alan
Your reports are much appreciated
73
Hans ZS6AKV
----- Original Message -----
From: "Alan Cresswell" <alancresswell at xtra.co.nz>
To: "'Jan-Albert Koekemoer'" <jan.koekemoer at sunspace.co.za>;
<amsat-bb at amsat.org>
Cc: <sumbandila at googlegroups.com>
Sent: Saturday, November 07, 2009 12:39 AM
Subject: [Sumbandila: 127] RE: [amsat-bb] SA-AMSAT payload activation on
SO-67
>
> Excellent 19 deg pass over VK/ZL at 2138 UTC. Very strong downlink
> signals
> up to 60db over S9 for most of the pass. Could hold the transponder in at
> less than 1 deg.
> Worked Graham (VK2AYE) and no problems using the recommended technique.
>
> Alan
> ZL2BX
>
> -----Original Message-----
> From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
> Behalf Of Jan-Albert Koekemoer
> Sent: Friday, 6 November 2009 20:59
> To: amsat-bb at amsat.org
> Cc: sumbandila at googlegroups.com
> Subject: [amsat-bb] SA-AMSAT payload activation on SO-67
>
> Hello
>
>
> We intend to schedule the FM V/U cross-band repeater on Sumbandila as
> follows
> (all times in UTC; all activations 13 minutes duration):
>
> Fri 6 Nov 2009:
> 21:38 (Eastern Australia / New Zealand)
>
> Sa 7 Nov 2009:
> 02:05 (Western Asia)
> 08:17 (Europe)
> 11:40 (Eastern part of South America)
> 16:13 (Central Canada / USA)
>
> The CTCSS tone for the transponder is 233.6 Hz.
>
> Uplink: 145.875MHz
> Downlink: 435.345MHz
>
> Additional recommendations:
> Use only narrow FM
> Switch off compression
> Speak softly (mic gain down)
>
> Satellite characteristics:
> All antennas are linear vertically polarized (1/4 wavelength)
> Sat Tx power = 5W
> Sat Rx sensitivity = -116.5dBm for 12dB SINAD
> Max antenna gain = 4dBi
>
> Note that the satellite is currently in a controlled sun tracking mode
> with
> antennas Nadir pointing.
>
> Apologies for the late notification, but we're still in the commissioning
> phase and can therefore not guarantee the SA-AMSAT payload service far
> ahead
> in time. Since we're using the same (shared) transponder for TT&C
> purposes
> at present, we can unfortunately not schedule the payload over RSA on
> Saturday.
>
> Regards
> Jan-Albert (ZR1JAK)
> Sumbandila Ground Control Team
>
>
>
> E-mail Disclaimer
> http://www.sunspace.co.za/emaildisclaimer.htm
>
> _______________________________________________
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