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CX2SA > SATDIG 22.11.08 18:15l 405 Lines 13588 Bytes #999 (0) @ WW
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Subj: AMSAT-BB-digest V3 594
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To: SATDIG @ WW
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R:081117/0447Z @:F4ERG.FPOC.FRA.EU #:2710 [3096] FBB7.01.35 alpha $:49635_CX2SA
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From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: Some doppler observations/questions (Alan P. Biddle)
2. FO-29 (WCP)
3. FO29 last pass from W9VNE (Jim Danehy)
4. FO-29 Telemetry 16 Nov 2008 from FM18 (DeYoung James)
5. Re: Yaesu GS-232A schematic? (Gordon JC Pearce MM3YEQ)
6. trackbox for multiple rotor pairs? (Eric Fort)
7. MC1317x circuit (Andy Brian)
----------------------------------------------------------------------
Message: 1
Date: Sun, 16 Nov 2008 06:24:13 -0600
From: "Alan P. Biddle" <APBIDDLE@xxxxxx.xxx>
Subject: [amsat-bb] Re: Some doppler observations/questions
To: <amsat-bb@xxxxx.xxx>
Message-ID: <49058E0BA5B241828B35A5DA6E4DF7F8@xxxxxx>
Content-Type: text/plain; charset="us-ascii"
Mark,
As others have noted, the transponder "constant" is really a variable
depending on lots of things, including the temperature of the satellite, the
stability of the voltage regulation, the temperature in your shack and
equipment, the freshness of your Keps, the accuracy of your position and
system clock, etc. On AO-7, FO-29, and VO-52 I can quickly net in the
uplink and downlink, and either SATPC32 or HRD will follow the One True Rule
and allow you to tune around and work someone AOS to LOS almost as if it
were a HF contact. That "constant" is good for an extended period of time,
again depending on primarily the health of the spacecraft systems. It is
just one of the many characteristics of satellite operations.
Alan
WA4SCA
------------------------------
Message: 2
Date: Sun, 16 Nov 2008 10:16:18 -0500
From: "WCP" <wcp2@xxxxx.xxx>
Subject: [amsat-bb] FO-29
To: <amsat-bb@xxxxx.xxx>
Message-ID: <000901c947fe$465f8460$1401a8c0@xxxxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Anybody hear FO-29 last pass ? (14:50 ) Nothing in EN71
------------------------------
Message: 3
Date: Sun, 16 Nov 2008 10:50:19 -0500
From: "Jim Danehy" <jdanehy@xxxxx.xx.xxx>
Subject: [amsat-bb] FO29 last pass from W9VNE
To: <amsat-bb@xxxxx.xxx>
Message-ID: <7912434442AB423187CF77A3774E4562@xxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Yes I was able to work UT1FG/MM on SSB in Grid Square GM28 and also worked
WP4CNU in Grid Square FK78 . . . both had S9 signals and gave me the same
report . . .I also heard some state side stations but did not record their
call signs . . . FO 29 was alive and well in EM79tb
73 Jim W9VNE
EM79tb
------------------------------
Message: 4
Date: Sun, 16 Nov 2008 09:11:47 -0800 (PST)
From: DeYoung James <deyoung_james@xxxxx.xxx>
Subject: [amsat-bb] FO-29 Telemetry 16 Nov 2008 from FM18
To: amsat-bb <amsat-bb@xxxxx.xxx>
Cc: Jim DeYoung <n8oq@xxxx.xxx>
Message-ID: <791842.19165.qm@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Greetings,
The structure temperatures now decode as positive values rather than negative
values.
A sampling of FO-29 telemetry taken on 2008 November 16 16:35 TO 16:43 UTC
hi hi 22 e2 88 d5 8f 05 05 25 00 24 01 01 82 c2 94 96 f1 79 af ac ae af af
hi hi 22 e2 88 d5 8f 05 05 25 00 24 01 01 81 62 94 96 f0 62 af ac ae af af
hi hi 22 e2 88 d5 8f 05 05 25 09 24 01 00 81 62 94 96 f0 67 af ac ad af af
hi hi 22 e2 88 d5 8f 05 05 25 00 24 01 01 7d 62 94 96 f0 79 af ac ad af af
hi hi 22 e2 88 d5 8f 05 05 25 00 24 01 01 7a 62 94 96 f0 7d af ab ad af af
hi hi 22 e2 88 d5 8f 05 05 25 00 24 01 01 7a 62 94 96 f0 85 af ab ad ae af
hi hi 22 e2 88 d5 8f 05 05 25 09 24 01 01 7f 62 94 96 f1 85 af ab ad ae af
---------
Data 1
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 490.2 [nT]
Solar Panel Current 1274.5 [mA]
Battery Current 1802.4 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.6 [V]
Analog Tx Power 688.4 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.1 [C]
Structure Temp. 3 14.3 [C]
Structure Temp. 4 13.9 [C]
Battery Cell Temp. 13.9 [C]
---------
Data 2
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 490.2 [nT]
Solar Panel Current 1264.7 [mA]
Battery Current -79.2 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.5 [V]
Analog Tx Power 538.9 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.1 [C]
Structure Temp. 3 14.3 [C]
Structure Temp. 4 13.9 [C]
Battery Cell Temp. 13.9 [C]
---------
Data 3
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 0.0 [nT]
Solar Panel Current 1264.7 [mA]
Battery Current -79.2 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.5 [V]
Analog Tx Power 571.4 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.1 [C]
Structure Temp. 3 14.7 [C]
Structure Temp. 4 13.9 [C]
Battery Cell Temp. 13.9 [C]
---------
Data 4
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 490.2 [nT]
Solar Panel Current 1225.5 [mA]
Battery Current -79.2 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.5 [V]
Analog Tx Power 688.4 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.1 [C]
Structure Temp. 3 14.7 [C]
Structure Temp. 4 13.9 [C]
Battery Cell Temp. 13.9 [C]
---------
Data 5
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 490.2 [nT]
Solar Panel Current 1196.1 [mA]
Battery Current -79.2 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.5 [V]
Analog Tx Power 714.4 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.5 [C]
Structure Temp. 3 14.7 [C]
Structure Temp. 4 13.9 [C]
Battery Cell Temp. 13.9 [C]
---------
Data 6
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 490.2 [nT]
Solar Panel Current 1196.1 [mA]
Battery Current -79.2 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.5 [V]
Analog Tx Power 766.4 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.5 [C]
Structure Temp. 3 14.7 [C]
Structure Temp. 4 14.3 [C]
Battery Cell Temp. 13.9 [C]
---------
Data 7
---------
Main Relay ON : DCM ON
SRAM OFF : Packet OFF
JTA ON : JTD OFF
GAS OFF :
SAS OFF : UVC ON
UVC Level 1 : PCU Mode AUTO
PCU Level 3 : Battery Mode TRIC
Battery Logic TRIC :
Digitalker Mode OFF : UVC ACT/PAS PAS
CPU RUN/RESET RUN :
Spin Period 8356.0 [msec]
Sun Angle 72.5 [deg]
GAS-Z 490.2 [nT]
GAS-X 490.2 [nT]
Solar Panel Current 1245.1 [mA]
Battery Current -79.2 [mA]
Battery Voltage 15.9 [V]
Battery Middle Voltage 7.2 [V]
Bus Voltage 23.6 [V]
Analog Tx Power 766.4 [mW]
Structure Temp. 1 13.9 [C]
Structure Temp. 2 15.5 [C]
Structure Temp. 3 14.7 [C]
Structure Temp. 4 14.3 [C]
Battery Cell Temp. 13.9 [C]
N8OQ Jim FM18lu
------------------------------
Message: 5
Date: Sun, 16 Nov 2008 18:11:19 +0000
From: Gordon JC Pearce MM3YEQ <gordonjcp@xxxx.xxx>
Subject: [amsat-bb] Re: Yaesu GS-232A schematic?
To: Amsat BB <amsat-bb@xxxxx.xxx>
Message-ID: <49206247.2060804@xxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Dave hartzell wrote:
> Hello all,
>
> Does anyone have a Yaesu GS-232A schematic? I had a bit of a power
> "burp" in my shack.
>
> I seemed to have burnt up L1003, a ferrite inductor immediately
> connected to the power reception. Other components look OK, including
> the 5v regulator.
>
> Anyone know the value?
If it's just a power filter choke, it's probably not terribly critical,
or even necessary ;-)
I'd be asking why it failed, though. Perhaps something "downstream" has
gone shorted.
Gordon
------------------------------
Message: 6
Date: Sun, 16 Nov 2008 10:16:41 -0800
From: "Eric Fort" <eric.fort@xxxxx.xxx>
Subject: [amsat-bb] trackbox for multiple rotor pairs?
To: AMSAT-BB <amsat-bb@xxxxx.xxx>
Message-ID:
<2ad2af430811161016i675db5eax175ba78eed4aff51@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Does anyone know of a trackbox that will drive multiple pairs of rotors?
Eric
------------------------------
Message: 7
Date: Sun, 16 Nov 2008 20:37:41 +0100
From: "Andy Brian" <briaandy@xxxxx.xxx>
Subject: [amsat-bb] MC1317x circuit
To: AMSAT-BB <amsat-bb@xxxxx.xxx>
Message-ID:
<e87ea45b0811161137t7867a31bu4175138ef29d9032@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hello all,
I'm testing a few Motorola's MC13176 and MC 13175 for future cubesat
UHF and VHF FM-voice transmitter, if anyone have
good circuit for that way application I'll be very gratefull. I know
that many of you tried this IC for cubesat but, on internet I found
only
PDF but no circuit which were used for cubesat like STENSAT, DARSAT etc..
Thanks for your help
best regards, Andy
------------------------------
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