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CX2SA > SATDIG 09.07.20 17:20z 672 Lines 25303 Bytes #999 (0) @ WW
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To : SATDIG@WW
Today's Topics:
1. Re: AO-92 L Band Power (Jerry Buxton)
2. Re: Satellite Danger Zone (Pedro Converso)
3. Re: FoxDelta ST2-0417 USB setup help (Charles Reiche)
4. Re: Satellite Danger Zone (Jerry Buxton)
5. Re: FoxDelta ST2-0417 USB setup help (Jim Walls)
6. Re: AO-92 L Band Power (Mark L. Hammond)
7. AO92 pass, 0510z 7/9 (Russ Kinner)
8. Re: AO-92 L Band Power (Lynn Palmer)
9. Re: AO-92 L Band Power (John Kludt)
10. Re: FoxDelta ST2-0417 USB setup help (Burns Fisher)
11. Re: AO-92 L Band Power (Lynn Palmer)
----------------------------------------------------------------------
Message: 1
Date: Wed, 8 Jul 2020 22:07:58 -0500
From: Jerry Buxton <n0jy@?????.???>
To: amsat-bb@?????.???
Subject: Re: [amsat-bb] AO-92 L Band Power
Message-ID: <dda8b847-b530-6d52-668e-a70481f2da7a@?????.???>
Content-Type: text/plain; charset=utf-8
On 7/8/2020 16:51, Alan Blind via AMSAT-BB wrote:
> Using 10 Watts, I have not been able to get into AO-92 L Band.
>
>
Hi Alan,
Perhaps it's something else, just for thought.
At 1267 MHz frequency is important and with the higher Doppler shift and
perhaps other slightly stronger or closer to center frequency uplink
signals might be captured.? AFC favors stronger, at least fairly
constant strength signals and those closer to the center frequency.? You
may have enough power but are just enough off frequency to be bested by
other signals, off frequency can be because of PC clock, lat/long (your
QTH) in the tracking program, the accuracy of your transmitter, and
items of a similar nature.?
I have spent a few passes over the years being off frequency or even
stupidly off frequency or even off (wrong) band, wrong Doppler.sqf line
selected in the CAT window, no/wrong CTCSS, or forgot to engage antenna
tracking, that kinda stuff that just happens.? Sometimes the cats turn
off the radio when I'm not looking, just before a pass.? Nobody knows
about these problems though because I haven't told anyone, if somebody
asks where I was I just say like "no, I didn't get on for that pass".???
Jerry Buxton, N?JY
------------------------------
Message: 2
Date: Thu, 9 Jul 2020 01:23:22 -0300
From: Pedro Converso <pconver@?????.???>
To: Robert McGwier <rwmcgwier@?????.???>
Cc: "Paul F. Merrill" <marinesvcs@?????.???>, amsat bb
<amsat-bb@?????.???>
Subject: Re: [amsat-bb] Satellite Danger Zone
Message-ID:
<CANTZqKk_Fe14z6uwL697+mFVOsmg5ufgXr1f72YPxq19RdEyBA@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
On the 1990 launched PACSATS AO-16 & LO-19, onboard software had
detection of SEUs (Single Event Upsets), allowing detection and
correction on the fly, as well as logging of SEUs.
SEUs were produced when high energy particles hit and change a bit in
local satellite memory.
These SEUs Logs could be downloaded, and thru a local developed
program knowing time of SEU it could be determined where was the
satellite at that time.
Thru several days error logs, plots could be produced, amazingly
showing the South Atlantic Anomaly danger zone and other areas of
higher energy.
One of the graphs at: http://amsat.org.ar/showlog.gif
At that time (1991) results where shared to NASA, becoming a
contribution due to Amateur Satellites and AMSAT.
This 30 years old application (showlog at
http://amsat.org.ar/SOFTWARE/TRACK1/SHOWLOG.ZIP ) is still available
and could be run using DOSBOX.
73, LU7ABF, Pedro
On 7/8/20, Robert McGwier via AMSAT-BB <amsat-bb@?????.???> wrote:
> Nice video.
>
> On Sun, Jul 5, 2020 at 8:00 PM Paul F. Merrill via AMSAT-BB <
> amsat-bb@?????.???> wrote:
>
>> https://youtu.be/w-nfF7bK34Y
>> _______________________________________________
>> Sent via AMSAT-BB@?????.???. 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
>>
>
>
> --
> Bob McGwier
> Founder, Federated Wireless, Inc
> Founder and Technical Advisor, HawkEye 360, Inc
> Adjunct Professor Virginia Tech
> Former Chief Scientist: The Ted and Karyn Hume Center for National
> Security and Technology
> Senior Member IEEE, Facebook: N4HYBob, ARS: N4HY
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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
>
------------------------------
Message: 3
Date: Thu, 9 Jul 2020 00:48:05 -0400
From: Charles Reiche <charlieray@?????.???>
To: Jim Walls <jim@?????.???>
Cc: Amsat-BB <Amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxDelta ST2-0417 USB setup help
Message-ID:
<CAMkCmDr-SMFCdBJQyO_E9t+WvaKwMHfQhMPER8zj45Y6JAZUmg@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Hi Jim,
What about opening the com port in a serial terminal program and sending
and receiving commands and feedback from the interface?
If you built your interface, make sure the voltage regulator is soldered in
correctly and everything is running at 5V. I managed to have my regulator
in backwards and everything including the USB chip was running at about 9V.
After I fixed the regulator, I had to replace the USB chip before things
behaved correctly. Maybe the interface only has communications in one
direction?
I never had any luck with connection to Satpc32, but PSTRotator works great
and can be controlled by Satpc32 over DDE.
Charlie
N3CRT
On Wed, Jul 8, 2020, 10:29 PM Jim Walls via AMSAT-BB <amsat-bb@?????.???>
wrote:
> I recently bought a FoxDelta ST2-0417 USB rotor interface for my Yaesu
> G-5500 rotor. I have the ST-2 communicating with the rotor just fine.
> I can see the azimuth and elevation readout and using the ST2
> pushbuttons, I can control both just fine. However, I can't get it to
> communicate properly with my computer. I am running a Dell desktop
> under Windows 10 and have installed the CH360G driver. The ST2 shows as
> COM8 according the the device manager. If I unplug the USB cable, the
> Device Manager confirms that COM8 goes away and when I plug the cable
> back in, COM8 returns. I initially was trying to use Nova for Windows
> (which I have used for 20+ years). I tried every software interface
> setting (using COM8) and the best I could get a couple weeks ago was
> Azimuth display and control (no elevation display, but it appeared that
> it tried to control elevation), but can't manage to replicate that
> today. Everything shows either 0.0 / 0.0 or ---- / ---- for the rotor
> pointing in Nova.
> Somewhat out of desperation, I downloaded SatPC32 and can't even get
> that far. As far as I can tell, every rotor type is expecting a
> parallel port interface. Keep in mind that I have never seen SatPC32
> until an hour ago, so that may be my issue.
>
> My preference would be to use Nova for Windows, but if that can't be
> made to work, I CAN switch over to SatPC32. In either case, the
> software will be used exclusively for rotor control and not doppler
> correction (not using a radio that supports that).
>
>
> Do you have any suggestions?
>
> --
> 73
> -------------------------------------
> Jim Walls - K6CCC
> jim@?????.???
> Ofc: 818-548-4804
> http://members.dslextreme.com/users/k6ccc/
> AMSAT Member 32537 - WSWSS Member 395
>
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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
>
------------------------------
Message: 4
Date: Thu, 9 Jul 2020 00:11:26 -0500
From: Jerry Buxton <n0jy@?????.???>
To: amsat-bb@?????.???
Subject: Re: [amsat-bb] Satellite Danger Zone
Message-ID: <bd758ec4-7ad0-7568-2899-23a49beb5acb@?????.???>
Content-Type: text/plain; charset=utf-8
On 7/5/2020 19:58, Paul F. Merrill via AMSAT-BB wrote:
> https://youtu.be/w-nfF7bK34Y
>
A? nice find, Paul.
The video ties to our Fox-1 series of CubeSats that were designed to
reboot and carry on, based on expected IHU resets in the SAA.? This plot
http://amsat.us/images/2020-07-08%20(2).png
was the first developed and shows the location of IHU resets for about
the first two years of AO-85 (Fox-1A) operation, starting after launch
in 4Q 2015.? It clearly showed us that the expectation was sound as well
as how it compared to our thoughts on the number of SAA upsets per day.?
Not all passes through the SAA had resets and there were resets outside
the SAA, some of which may be linked to the aurorae.?
The Earth image mapping of the data was done by Douglas Quagliana, KA2UPW/5.
The information from all of the Foxes provides us guidance on the design
of GOLF satellites at various heights and what may be expected and
mitigated using low cost COTS components.? The RT-IHU is one of the
technology exploration systems on the GOLF-TEE mission and is a project
that looks to provide better radiation tolerance in higher LEO.? The
initial flights of RT-IHU will help in assessing risk tolerance for
certain missions in what we can do using COTS vs. costly rad-hard
components.
AO-85 also carried the first radiation effects experiment flown on an
AMSAT satellite by our partner Vanderbilt University, followed by Fox-1B
(RadFxSat/AO-91) and soon to be launched Fox-1E (RadFxSat-2), all
observing radiation upsets and events on COTS components.
Jerry Buxton, N?JY
------------------------------
Message: 5
Date: Wed, 8 Jul 2020 22:46:15 -0700
From: Jim Walls <jim@?????.???>
To: Charles Reiche <charlieray@?????.???>
Cc: Amsat-BB <Amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxDelta ST2-0417 USB setup help
Message-ID: <9821d0b0-1d2e-662d-1100-0ceb25e74b54@?????.???>
Content-Type: text/plain; charset=utf-8; format=flowed
On 07/08/2020 21:48, Charles Reiche wrote:
> Hi Jim,
>
> What about opening the com port in a serial terminal program and
> sending and receiving commands and feedback from the interface?
Good idea.? Had to find a reference for the GS-232 command set, but
Google quickly found that.? As far as I can tell, the only commands that
work are C, C1, & C2 which gives the Azimuth, Azmuth, & Azimuth and
Elevation (although not in the format that the reference I found says it
should be).? The numbers match what the FoxDelta display shows - which
also match the G-5500 control box meters.? All other commands result in
a response of:? ?>
> If you built your interface, make sure the voltage regulator is
> soldered in correctly and everything is running at 5V. I managed to
> have my regulator in backwards and everything including the USB chip
> was running at about 9V.
This was a purchased completed unit from FoxDelta.
--
73
-------------------------------------
Jim Walls - K6CCC
jim@?????.???
Ofc: 818-548-4804
http://members.dslextreme.com/users/k6ccc/
AMSAT Member 32537 - WSWSS Member 395
------------------------------
Message: 6
Date: Thu, 9 Jul 2020 06:47:45 -0400
From: "Mark L. Hammond" <marklhammond@?????.???>
To: Alan Blind <wa9wud@?????.???>, Amsat - BBs <amsat-bb@?????.???>
Subject: Re: [amsat-bb] AO-92 L Band Power
Message-ID:
<CAPRXzyqSMQE3V03MdraJPs1a7J_tZSwAno9t1c9PO7q6kC2Waw@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
Hi Alan, in the rather safe than sorry category?check your uplink
frequency. After launch we quickly determined a ?best? uplink was 1267.359
MHzMost folks find this to be pretty good. Then Doppler correction is
important at these frequencies, so adjust for that as well. One night I
wasn?t quite getting into the bird and knew I should have been. It was
just a couple kHz off, but enough to make a big difference. Give that a
shot anyhow. Easy for radios to be off a tad at these high frequencies,
too.
Hope to work you on L-band soon!
Mark N8MH
On Wed, Jul 8, 2020 at 5:52 PM Alan Blind via AMSAT-BB <amsat-bb@?????.???>
wrote:
> Using 10 Watts, I have not been able to get into AO-92 L Band.
>
> From the AO-92 web site:
>
> ================
>
> ......Since the 435 MHz uplink antenna is used to receive the 1267 MHz
> signals and may present a mismatch at that frequency, pre-launch estimates
> suggest that a power level of 100 watts ERP will be required for
> horizon-to-horizon access in Mode L/v. AMSAT Engineering will issue further
> guidance after in-orbit testing. Look for future articles on the AMSAT
> website and in The AMSAT Journal for equipment ideas and tutorials for
> accessing the L-band uplink.
> ====================
>
> Perhaps my 10 Watts are too low. Have there been updates from AMSAT on
> recommended L band power? What power do others run?
>
> Alan
> WA9WUD
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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
>
--
Mark L. Hammond [N8MH]
AMSAT Director and Command Station
------------------------------
Message: 7
Date: Thu, 09 Jul 2020 07:00:34 -0700
From: Russ Kinner <wizardofzid@?????.???>
To: "amsat-bb@????? org" <amsat-bb@?????.???>
Subject: [amsat-bb] AO92 pass, 0510z 7/9
Message-ID: <ivcjjpvi7l8eaj54jlmkln2x.1594302910228@?????.???????.???>
Content-Type: text/plain; charset=utf-8
I worked a station operating in Teton N.P. (DN43) on the pass Sat night and
thought I had the call but even after listening to the recording I'm not
sure. The call was in the fade when sent phonetically.
Several other stations also worked him so if you heard KC5FLQ or KC5SLQ or
his right call, can you advise? It's a new grid for me.
Rusty, WA8ZID
------------------------------
Message: 8
Date: Wed, 8 Jul 2020 22:30:17 +0000 (UTC)
From: Lynn Palmer <bmepllc@?????.???>
To: amsat-bb@?????.???? Alan Blind <wa9wud@?????.???>
Subject: Re: [amsat-bb] AO-92 L Band Power
Message-ID: <1176643711.3716907.1594247417314@????.?????.???>
Content-Type: text/plain; charset=UTF-8
Hi Alan, I use 10 watts from my Icom IC-9700. I run about 100 feet of LMR
600 coax so maybe 5 watts to the antenna.? I use a 35 element yagi antenna.?
I made the satellite today at 14 degrees elevation OK.?
73sLynnKD9BVG
On Wednesday, July 8, 2020, 04:53:09 PM CDT, Alan Blind via AMSAT-BB
<amsat-bb@?????.???> wrote:
Using 10 Watts, I have not been able to get into AO-92 L Band.
>From the AO-92 web site:
================
......Since the 435 MHz uplink antenna is used to receive the 1267 MHz
signals and may present a mismatch at that frequency, pre-launch estimates
suggest that a power level of 100 watts ERP will be required for
horizon-to-horizon access in Mode L/v. AMSAT Engineering will issue further
guidance after in-orbit testing. Look for future articles on the AMSAT
website and in The AMSAT Journal for equipment ideas and tutorials for
accessing the L-band uplink.
====================
Perhaps my 10 Watts are too low.? Have there been updates from AMSAT on
recommended L band power?? What power do others run?
Alan
WA9WUD
_______________________________________________
Sent via AMSAT-BB@?????.???. 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
------------------------------
Message: 9
Date: Thu, 9 Jul 2020 12:15:26 -0400
From: John Kludt <johnnykludt@?????.???>
To: Lynn Palmer <bmepllc@?????.???>
Cc: Amsat BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] AO-92 L Band Power
Message-ID:
<CABsMmtS8aN9+P6eRQ_ynPvTYOmaH_+N1GUe7DVhVgwoZ=FU_cQ@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
All
The important thing to remember is ERP. Using the KV5R calculator and
assuming an SWR or 1.2:! the ERP for this contact was 618 watts. (
http://kv5r.com/ham-radio/coax-loss-calculator/) The antenna gain was
based on the published gain for the M2 35 element Yagi .
Ten watts may or may not be enough. What we need to do is look at the
overall system of losses ( coax) and gains (antenna).
Hope this helps
John K4SQC
On Thu, Jul 9, 2020 at 10:13 AM Lynn Palmer via AMSAT-BB <amsat-bb@?????.???>
wrote:
> Hi Alan, I use 10 watts from my Icom IC-9700. I run about 100 feet of LMR
> 600 coax so maybe 5 watts to the antenna. I use a 35 element yagi
> antenna. I made the satellite today at 14 degrees elevation OK.
> 73sLynnKD9BVG
>
> On Wednesday, July 8, 2020, 04:53:09 PM CDT, Alan Blind via AMSAT-BB <
> amsat-bb@?????.???> wrote:
>
> Using 10 Watts, I have not been able to get into AO-92 L Band.
>
> From the AO-92 web site:
>
> ================
>
> ......Since the 435 MHz uplink antenna is used to receive the 1267 MHz
> signals and may present a mismatch at that frequency, pre-launch estimates
> suggest that a power level of 100 watts ERP will be required for
> horizon-to-horizon access in Mode L/v. AMSAT Engineering will issue further
> guidance after in-orbit testing. Look for future articles on the AMSAT
> website and in The AMSAT Journal for equipment ideas and tutorials for
> accessing the L-band uplink.
> ====================
>
> Perhaps my 10 Watts are too low. Have there been updates from AMSAT on
> recommended L band power? What power do others run?
>
> Alan
> WA9WUD
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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
>
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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
>
------------------------------
Message: 10
Date: Thu, 9 Jul 2020 12:38:39 -0400
From: Burns Fisher <wb1fj-bb@??????.??>
To: Jim Walls <jim@?????.???>
Cc: Amsat-BB <Amsat-bb@?????.???>
Subject: Re: [amsat-bb] FoxDelta ST2-0417 USB setup help
Message-ID:
<CABX7KxUJ-rVggrM=aAjE7NzZvS8H0NhPahWEi+iACAKmd9hbGg@????.?????.???>
Content-Type: text/plain; charset="UTF-8"
SatPC32 is a bit odd in how you set up the rotor. You chose the COM port
in the separate application that it runs, not in the main window's setup
(which indeed shows only LP ports). Could that be your SatpPC32 problem?
On Thu, Jul 9, 2020 at 1:49 AM Jim Walls via AMSAT-BB <amsat-bb@?????.???>
wrote:
> On 07/08/2020 21:48, Charles Reiche wrote:
> > Hi Jim,
> >
> > What about opening the com port in a serial terminal program and
> > sending and receiving commands and feedback from the interface?
>
> Good idea. Had to find a reference for the GS-232 command set, but
> Google quickly found that. As far as I can tell, the only commands that
> work are C, C1, & C2 which gives the Azimuth, Azmuth, & Azimuth and
> Elevation (although not in the format that the reference I found says it
> should be). The numbers match what the FoxDelta display shows - which
> also match the G-5500 control box meters. All other commands result in
> a response of: ?>
>
>
> > If you built your interface, make sure the voltage regulator is
> > soldered in correctly and everything is running at 5V. I managed to
> > have my regulator in backwards and everything including the USB chip
> > was running at about 9V.
>
>
> This was a purchased completed unit from FoxDelta.
>
> --
>
> 73
> -------------------------------------
> Jim Walls - K6CCC
> jim@?????.???
> Ofc: 818-548-4804
> http://members.dslextreme.com/users/k6ccc/
> AMSAT Member 32537 - WSWSS Member 395
>
> _______________________________________________
> Sent via AMSAT-BB@?????.???. 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
>
------------------------------
Message: 11
Date: Thu, 9 Jul 2020 17:04:47 +0000 (UTC)
From: Lynn Palmer <bmepllc@?????.???>
To: John Kludt <johnnykludt@?????.???>
Cc: Amsat BB <amsat-bb@?????.???>
Subject: Re: [amsat-bb] AO-92 L Band Power
Message-ID: <2009794795.4038916.1594314287537@????.?????.???>
Content-Type: text/plain; charset=UTF-8
John,?
Yes, of course you are right.? It is important to understand ERP to make
comparisons. If I use my actual measured SWR and account for additional
losses due to a jumper thru the entrance panel and into the shack, the
calculated ERP is probably closer to 500 watts assuming the M2 published
gain data of 20.94 dBi represents the actual performance of my "as
installed" antenna setup.?
73sLynn? KD9BVG
On Thursday, July 9, 2020, 11:15:38 AM CDT, John Kludt
<johnnykludt@?????.???> wrote:
?All
The important?thing to remember is ERP.? Using the KV5R calculator?and
assuming an SWR or 1.2:!? the ERP for this contact?was? 618 watts.?
(?http://kv5r.com/ham-radio/coax-loss-calculator/)? The antenna gain was
based on the published gain for the M2 35 element Yagi .
Ten watts may or may not be enough.? What we need to do is look at the
overall system of losses ( coax) and gains (antenna).
Hope this helps
John K4SQC
On Thu, Jul 9, 2020 at 10:13 AM Lynn Palmer via AMSAT-BB
<amsat-bb@?????.???> wrote:
Hi Alan, I use 10 watts from my Icom IC-9700. I run about 100 feet of LMR
600 coax so maybe 5 watts to the antenna.? I use a 35 element yagi antenna.?
I made the satellite today at 14 degrees elevation OK.?
73sLynnKD9BVG
? ? On Wednesday, July 8, 2020, 04:53:09 PM CDT, Alan Blind via AMSAT-BB
<amsat-bb@?????.???> wrote:?
?Using 10 Watts, I have not been able to get into AO-92 L Band.
>From the AO-92 web site:
================
......Since the 435 MHz uplink antenna is used to receive the 1267 MHz
signals and may present a mismatch at that frequency, pre-launch estimates
suggest that a power level of 100 watts ERP will be required for
horizon-to-horizon access in Mode L/v. AMSAT Engineering will issue further
guidance after in-orbit testing. Look for future articles on the AMSAT
website and in The AMSAT Journal for equipment ideas and tutorials for
accessing the L-band uplink.
====================
Perhaps my 10 Watts are too low.? Have there been updates from AMSAT on
recommended L band power?? What power do others run?
Alan
WA9WUD
_______________________________________________
Sent via AMSAT-BB@?????.???. 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
_______________________________________________
Sent via AMSAT-BB@?????.???. 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
------------------------------
Subject: Digest Footer
_______________________________________________
Sent via amsat-bb@?????.???.
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
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End of AMSAT-BB Digest, Vol 15, Issue 225
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