[amsat-bb] HuskySat-1: Telemetry, "FWD Power"

cjhurst at bigpond.net.au cjhurst at bigpond.net.au
Sun Feb 16 07:25:45 UTC 2020


Burns and Mike,
My telemetry downloads suggest back on the 1st February it was around 125
milli-watts.
On the 13 February it had been running 75 milli-watts for some time.
Then on the 14th February it dropped to 13 milli-watts.
May explain why it has been tough going the last two days.
All days quoted are GMT days.
73 Colin VK5HI.

-----Original Message-----
From: AMSAT-BB <amsat-bb-bounces at amsat.org> On Behalf Of Burns Fisher via
AMSAT-BB
Sent: Sunday, 16 February 2020 09:06
To: Mike Lucas <documike at comcast.net>
Cc: AMSAT BB <amsat-bb at amsat.org>
Subject: Re: [amsat-bb] HuskySat-1: Telemetry, "FWD Power"

Could you take a look at the "measurements" page on the HuskySat tab and
click on "RF Power" to get a graph of the power that you have been
receiving?  Mine varies between about -77.5dBm and about 60dBm, (of course
it changes during a pass) but I don't see much of a difference in the last
day or 2.

Thanks...

On Sat, Feb 15, 2020 at 4:50 PM Mike Lucas via AMSAT-BB <amsat-bb at amsat.org>
wrote:

> This concurs with my observations the past couple of days also.
>
> -----Original Message-----
> From: AMSAT-BB <amsat-bb-bounces at amsat.org> On Behalf Of JoAnne K9JKM 
> via AMSAT-BB
> Sent: Saturday, February 15, 2020 1:39 PM
> To: amsat-bb at amsat.org
> Subject: Re: [amsat-bb] HuskySat-1: Telemetry, "FWD Power"
>
> Hi Chris and Roy,
>
>  > ... we can't see a difference in the received signal  > strength on 
> the ground, but any independent validation of that is  > greatfully
received.
>
> Subjective observation is that my received signal seemed weaker for 
> the past
> 2 or so days. The antenna I'm using is a 7 element yagi on 435.800 at 
> 20 degrees fixed elevation on a TV rotor. I've only been able to 
> capture fewer than 50% of the packets compared with reception earlier in
the week.
>
> I live on a 100% wooded lot (no leaves since its winter) but all the 
> trees are frosted ala winter wonderland style from passing weather 
> systems since last Thursday. The trees introduce a lot of variability 
> in my received signal depending on which tree I'm pointed at. But my 
> received signal on
> 435.800 has been noticeably lower even at the "good"
> patches of sky.
>
> My HuskySat telemetry at 2125Z said Forward Power = 13.4 mW.
>
> --
> 73 de JoAnne K9JKM
> k9jkm at amsat.org
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_______________________________________________
Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available to all
interested persons worldwide without requiring membership. Opinions
expressed are solely those of the author, and do not reflect the official
views of AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb



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