[amsat-bb] Fox-1A/AO-85 transponder to remain on to 0000Z 10Oct

[Andrew Glasbrenner]

Ignoring the AFC on the uplink receiver, I would program 5 channels, from 10kHz low on approach, to 10kHz high as it leaves, with the 67Hz tone on all of them.

73, Drew KO4MA




-----Original Message-----
>From: Rick Tejera <saguaroastro at cox.net>
>Sent: Oct 9, 2015 1:37 PM
>To: 'Andrew Glasbrenner' <glasbrenner at mindspring.com>, 'AMSAT BB' <amsat-bb at amsat.org>
>Subject: RE: [amsat-bb] Fox-1A/AO-85 transponder to remain on to 0000Z 10Oct
>
>Drew, Quick question regarding the 67.hz tone.. Should I program a channel
>with the tone at 435.170 or 435.180? It would seem that at AOS the bird will
>hear it better at .170 vs. .180. 
>
>Am I over thinking this  
>
>Rick Tejera (K7TEJ)
>Saguaro Astronomy Club
>www.saguaroastro.org
>Thunderbird Radio Club
>www.w7tbc.org
>623-572-0713
>623-203-4121 (cell)
>SaguaroaAstro at cox.net
>
>-----Original Message-----
>From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Andrew
>Glasbrenner
>Sent: Friday, October 09, 2015 2:11 AM
>To: 'AMSAT BB'
>Subject: [amsat-bb] Fox-1A/AO-85 transponder to remain on to 0000Z 10Oct
>
>All,
>
> 
>
>We will leave the transponder running until about 0000Z 10Oct. Feel free to
>try it. 
>
>A couple of notes: 
>
>If the downlink isn't on, a few seconds of 67 Hz tone will turn it on.
>
> 
>
>Narrow FM may help with the downlink audio levels if you find it difficult
>to hear. 
>
> 
>
>You may find it takes a little more gain on the uplink than expected. I
>encourage users to try their handheld yagis, remember to twist for polarity,
>listening full duplex to peak your uplink.
>
> 
>
>During this time, the low speed data will still be active alongside your
>voice downlink, so ground stations are encouraged to continue submitting
>that to the server.
>
> 
>
>73, Drew KO4MA 
>
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