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CX2SA > SATDIG 14.08.14 14:01l 295 Lines 9746 Bytes #999 (0) @ WW
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Sent: 140814/1201Z @:CX2SA.SAL.URY.SOAM #:9286 [Salto] FBB7.00e $:AMSATBB9280
From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. 23 cm band and WRC-2018 (M5AKA)
2. Re: 23 cm band and WRC-2018 (g0mrf@xxx.xxxx
3. Re: AO-73 Telemetry Question (David Palmer KB5WIA)
4. Re: 23 cm band and WRC-2018 (M5AKA)
5. Decoding FunCube with HDSDR - Problem Solved (Thomas Doyle)
----------------------------------------------------------------------
Message: 1
Date: Wed, 13 Aug 2014 13:43:08 +0100
From: M5AKA <m5aka@xxxxx.xx.xx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] 23 cm band and WRC-2018
Message-ID:
<1407933788.75976.YahooMailNeo@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
The Chair of the IARU R1 VHF/UHF/Microwave Committee, Michael Kastelic
OE1MCU says:
"it seems that radio amateurs will lose the 23 cm band in the near future"
See http://amsat-uk.org/2014/08/13/23-cm-band-and-wrc-2018/
Galileo article http://www.southgatearc.org/articles/galileo.htm
Also on the AMSAT-UK website:
RAGazine now available for download
http://amsat-uk.org/2014/08/12/ragazine-now-available-for-download-2/
----
Trevor M5AKA
AMSAT-UK
Website http://amsat-uk.org/
Facebook https://www.facebook.com/amsatuk
Twitter https://twitter.com/AMSAT_UK
----
------------------------------
Message: 2
Date: Wed, 13 Aug 2014 09:52:51 -0400 (EDT)
From: g0mrf@xxx.xxx
To: m5aka@xxxxx.xx.xxx amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] 23 cm band and WRC-2018
Message-ID: <8D185150240AE1D-2A9C-186B@xxxxxxxxxxxx.xxxxxx.xxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Interesting.
A personal observation:
A current ESA Education project. - ESEO plans to use 1263.5 MHz as an uplink
to a L/V FM transponder.
2m / 70cm and S band were not possible as they are in use elsewhere on the
same satellite.
The possible impact on Galileo was discussed / analysed for that frequency
and no objections were raised.
ESEO, with contributions from AMSAT-UK is progressing from critical design
review to engineering and flight model production.
I know amateur radio interests are represented at international meetings and
negotiating spectrum is a difficult task, but the reality
probably is that unless we have some more success in allocating some
'dedicated' spectrum for amateur radio satellites, then the
chaotic trend for individual nations to allocate experimental licences in
interference free zones will continue. ( ISS on 2395 etc)
73
David
-----Original Message-----
From: M5AKA <m5aka@xxxxx.xx.xx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Sent: Wed, 13 Aug 2014 13:46
Subject: [amsat-bb] 23 cm band and WRC-2018
The Chair of the IARU R1 VHF/UHF/Microwave Committee, Michael Kastelic OE1MCU
says:
"it seems that radio amateurs will lose the 23 cm band in the near future"
See http://amsat-uk.org/2014/08/13/23-cm-band-and-wrc-2018/
Galileo article http://www.southgatearc.org/articles/galileo.htm
Also on the AMSAT-UK website:
RAGazine now available for download
http://amsat-uk.org/2014/08/12/ragazine-now-available-for-download-2/
----
Trevor M5AKA
AMSAT-UK
Website http://amsat-uk.org/
Facebook https://www.facebook.com/amsatuk
Twitter https://twitter.com/AMSAT_UK
----
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 3
Date: Wed, 13 Aug 2014 08:01:47 -0700
From: David Palmer KB5WIA <kb5wia@xxxxx.xxx>
To: Thomas Doyle <tomdoyle1948@xxxxx.xxx>
Cc: AMSAT BB <AMSAT-BB@xxxxx.xxx>
Subject: Re: [amsat-bb] AO-73 Telemetry Question
Message-ID:
<CAO-vtPNqM4jSChdLgZ8=cZHSthemKf9keRZoAjQY7wG43L+VjA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
>> It appears the signal is making it to the Dashboard but nothing
>> seems to happen.
Hi Tom -- just checking real quick, from your pic, it shows that the
actual data stream from the sat is being picked up in the FCD
dashboard, but the signals are right up against the zero line on the
left, and looks like some of the signal might have been clipped off to
the left. To confirm, you also tried with the main signal somewhere
in the middle of the FCD Dashboard's "passband"?
(sorry, I run my FCDPP direct to the FCD Dashboard, so I'm just used
to seeing the sat signal display around 55,000 on a scale of 0-96,000
Hz, so not entirely familiar with running the sigs through HDSDR
recording first)
73! Dave KB5WIA
On Tue, Aug 12, 2014 at 2:18 PM, Thomas Doyle <tomdoyle1948@xxxxx.xxx> wrote:
> Hi,
>
> Recorded an AO-73 telemetry pass (RF recording) this morning with HDSDR.
> Later fed it from HDSDR into the sound card and then to the FCD Dashboard
> (see pic). It appears the signal is making it to the Dashboard but nothing
> seems to happen. I tired (Auto Tune) on/off, and narrowing the bandwidth of
> the HDSDR filter to better match the bw of the signal but still nothing. It
> does seem to lock on to the (Detected Frequency 2262 Hz) but that's about
> all it does. The Dashboard is brilliant and I would like to get it working.
>
> Due to deed restrictions no outside antennas are allowed so the signal is
> not that strong here (about 5dB above the noise) and it might never work
> from here. Any suggestions will be appreciated. Any suggestions that we
> move to a new neighborhood that allows outside antennas will be forwarded
> to my wife :-)
>
> http://www.tomdoyle.org/dashboard1sm.png
>
> Tnx W9KE Tom Doyle
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 4
Date: Wed, 13 Aug 2014 20:24:18 +0100
From: M5AKA <m5aka@xxxxx.xx.xx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] 23 cm band and WRC-2018
Message-ID:
<1407957858.36889.YahooMailNeo@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=iso-8859-1
I'm sure Michael will be expanding on this in a few weeks time at the IARU
Conference.
Peter G3LTF set out the possible impact of Galileo back in his 2006 paper at
http://www.southgatearc.org/articles/galileo.htm
From the paper it looks like a 700 Watt ERP amateur station could
"knock-out" a users Galileo receiver at a distance of 18 km.
A number of radar systems have been forced to vacate the Galileo 1260-1300
MHz E6 transponder downlink which means there is more intensive use of other
parts of the spectrum.
If the Amateur Satellite Service is to stand even the slimmest chance of
gaining additional spectrum in 1200-3500 MHz at ITU WRC-18 then it would
first need to be added as an agenda item at next years WRC-15 conference and
that will not be easy.
73 Trevor M5AKA
On Wednesday, 13 August 2014, 14:52, "g0mrf@xxx.xxxx <g0mrf@xxx.xxx> wrote:
Interesting.
?
A personal observation:
?
A current ESA Education project. - ESEO plans to use 1263.5 MHz as an uplink
to a L/V FM transponder.
2m / 70cm and S band were not possible as they are in use elsewhere on the
same satellite.
?
The possible impact on Galileo was discussed / analysed for that frequency
and no objections were raised.
?
ESEO, with contributions from AMSAT-UK is progressing from critical design
review to engineering and flight model production.
?
I know amateur radio interests are represented at international meetings and
negotiating spectrum is a difficult task, but the reality
probably is that unless we have some more success in allocating some
'dedicated' spectrum for amateur radio satellites, then the
chaotic trend for individual nations to allocate experimental licences?in
interference free zones will continue. ( ISS on 2395 etc)
?
73
?
David
?
?
-----Original Message-----
From: M5AKA <m5aka@xxxxx.xx.xx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Sent: Wed, 13 Aug 2014 13:46
Subject: [amsat-bb] 23 cm band and WRC-2018
The Chair of the IARU R1 VHF/UHF/Microwave Committee, Michael Kastelic OE1MCU
says:
"it seems that radio amateurs will lose the 23 cm band in the near future"
See http://amsat-uk.org/2014/08/13/23-cm-band-and-wrc-2018/ Galileo article
http://www.southgatearc.org/articles/galileo.htm Also on the AMSAT-UK
website: RAGazine now available for download
http://amsat-uk.org/2014/08/12/ragazine-now-available-for-download-2/ ----
Trevor M5AKA
AMSAT-UK
Website http://amsat-uk.org/ Facebook https://www.facebook.com/amsatuk
Twitter https://twitter.com/AMSAT_UK ----
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 5
Date: Wed, 13 Aug 2014 21:32:30 -0500
From: Thomas Doyle <tomdoyle1948@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Decoding FunCube with HDSDR - Problem Solved
Message-ID:
<CAHnRQR+F4Qt3tqLQZzdgUNn1-ZSG6EZW86i7DnA_4sw3+wPWUg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Huge thanks to N8MH Mark Hammond for pointing out that the signal is USB
not FM. The only defense I can offer for making that error is the fact that
I am an old geezer.
73 W9KE Tom Doyle
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 9, Issue 280
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