[AMSAT-BB] Re: SO-50?

20 Apr 2021

      If you are having trouble getting in/hearing yourself, consider
turning down your power in case you are having desense issues. You
might be getting in but not know because of desense.
FYI the SO-50 ten minute timer turns off the repeater/transponder
after ten minutes *regardless* of whether it is being used or not. So
be ready to send a 74.4 hz tone even in the middle of a busy pass :-)
73, John Brier KG4AKV
On Tue, Apr 20, 2021 at 3:14 PM Bob Liddy (K8BL) k8bl@ameritech.net wrote:
...
I work SO-50 as a Rover (portable) using a regular Arrow and about 10 feet
of RG-8X. No duplexer. I use a different coax for each Band since my
XCVR is full-duplex with 2 ANT connectors. The loss through the coax
is almost nil since it is so short. No trouble hearing it all the way down to
LOS. See pics on my QRZ page.
GL/73,  Bob  K8BL
On Tuesday, April 20, 2021, 09:53:50 AM EDT, Brian Wilkins KO4AQF bwilkins@gmail.com wrote:
I work SO50 with LMR240UF and D72A. It isn’t as “loud” as AO-91/92 however it does work. Keep in mind that downlink is UHF so it’s trickier though not entirely impossible. For portable operation I am not sure how you would add a pre amp or if it’s worthwhile given that improved local conditions can be had at zero cost. So trying a different location can help. There is a park in EL97 where I can hear SO50 a lot better than at my QTH
On Tue, Apr 20, 2021 at 9:48 AM Ant Lefebvre anthony.lefebvre@gmail.com wrote:
Did you hit it with the "arm the timer" tone?
73
-Ant NU1U
On Tue, Apr 20, 2021 at 9:11 AM Steve Kristoff skristof@etczone.com wrote:
I was using a handheld and an Arrow antenna. It has never been a problem in the past.
----- Original Message -----
________________________________
From: Paul Stoetzer (n8hm@arrl.net)
Date: 04/20/21 09:07
To: crohtun (crohtun@aol.com)
Cc: Steve Kristoff (skristof@etczone.com), AMSAT BB (amsat-bb@amsat.org)
Subject: [AMSAT-BB] Re: SO-50?
SO-50 has a very, very sensitive uplink. I've gotten into it with 50 mW to a whip antenna. Be sure to always use a 67.0 Hz tone.
The 250 mW downlink can be weak and you need high quality coax. For a home station, you almost certainly need a preamp unless you have a very short run of very good coax.
73,
Paul, N8HM
On Tue, Apr 20, 2021 at 8:59 AM crohtun via AMSAT-BB amsat-bb@amsat.org wrote:
I have always had a miserable time working this bird. For weeks I've been hearing others but no one hears me. The pass just completed took it overhead at more than 50 deg at my QTH. I heard absolutely nothing until the bird was well past TCA and south of me. Suddenly there was KB3IAI and KN4ZAA. Worked both but no one else. Reception was much better on vertical than horizontal. Lots of QRN, however.
Ray
KN2K
FM18
Sent from the all new AOL app for iOS
On Tuesday, April 20, 2021, 8:42 AM, Steve Kristoff skristof@etczone.com wrote:
I couldn't hear SO-50 this morning. It should have passed right over head here at EM79. Did other folks have problems or was it just me? About 1224 UTC pass here in southeastern IN.
Steve AI9IN

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--
Brian Wilkins
KO4AQF

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