[amsat-bb] Fox-1A/AO-85 transponder to remain on to 0000Z 10Oct
glasbrenner at mindspring.com
Fri Oct 9 17:43:32 UTC 2015
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
>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
>Thunderbird Radio Club
>SaguaroaAstro at cox.net
>From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Andrew
>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
>We will leave the transponder running until about 0000Z 10Oct. Feel free to
>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
>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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