Thank you for reading this.
After a five year rest from the satellites I may soon be in a position to once
again resume one of my favourite hobbies. So, over the past couple of
months I have been updating my tracking programme. In the process I have
discovered that I need to make a design
Australia - Brisbane
ICOM 706 MK II G - 2m 5/8 Whip (I know I know)
16/12/2009 08:30 PM Local - 10 degrees 435.796 MHz USB CW
16/12/2009 08:33 PM Local - 18 degrees 435.796 MHz USB CW
16/12/2009 08:35 PM Local - 28 degrees 435.793 MHz USB CW
16/12/2009 08:37 PM Local - 29 degrees 435.791 MHz USB
昨日は聞こえたという 435.675MHz AFSK 1200bps 信号が、本日(12/16) 夜19:48
からのパスでは聞こえませんでした。しかし、435.790MHz CW 信号は強力でした。
XIWANG-1 (HOPE-1)
1 36122U 09072B 09350.14452292 -.0045 0-0 0+0 077
2 36122 100.4974 047.2295 0007562 040.0327 320.1583 13.16283842 130
AFSK packets were active yesterday
Sorry.
XIWANG-1 (HOPE-1)
1 36122U 09072B 09350.14452292 -.0045 0-0 0+0 077
2 36122 100.4974 047.2295 0007562 040.0327 320.1583 13.16283842 130
AFSK packets were active yesterday over Japan, 12:55 UTC, 15 Dec 2009
Received by JA0CAW, 435.675MHz AFSK 1200bps
12:55
Hello
Good signal of XW-1 , http://www.youtube.com/watch?v=KXck-pDt9Fg
http://www.youtube.com/watch?v=KXck-pDt9Fg object 2009-072A.
Antenna and radio controlled manually because my SatPC32 don't accept the
Keps sent by Nigel / Mineo . Anyone know how to fix it ?
73
PY5LF
LUCIANO
Hi Phil,
InstantTune used Hertz and DOUBLE for the configuration
info and the frequency calculations. That way there is
effectively no limits to precision or frequency range.
You get 52 bits for the mantissa in a DOUBLE.
For the actual radio drivers, it used LONG internally for
the frequencies
YAOGAN 8
1 36121U 09072A 09350.14442714 -.0045 0-0 0+0 052
2 36121 100.4979 047.2280 0007533 028.3305 331.8410 13.16397965 131
XIWANG-1 (HOPE-1)
1 36122U 09072B 09350.14452292 -.0045 0-0 0+0 077
2 36122 100.4974 047.2295 0007562 040.0327 320.1583
JE1CVL, JH1EKH, BD4SY, JF2CTY, JH1BCL, JA5BLZ succeeded in QSO,
over Japan, 12:36 UTC, 16 Dec 2009.
'V(LSB)/U(USB) Linear Transponder Inverting, Up+Down=581.690',
actually 145.950(Up) / 435.740(Down).
Sat. No.Uplink Downlink Beacon Mode Callsign
- --
If everything goes as planned I'll be in Southern Kansas for the 1906Z
and 2041Z AO-27 passes this afternoon.
73..tedaa5ck
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Dear All,
After a long time away from the satellites, I am pleased to report the
reception of XW-1 over Kuala Lumpur, Malaysia.
Time was 1416 UTC to 1435 UTC and I had a maximum elevation of 68
degrees. Managed to copy the beacon on 435.790 CW +/- with a very
good signal of S9+. Tried to
Hello Sion,
It is nice to hear you are back to the satellites, and heard the new China
XW-1 satellite.
Greetings,
73 Fabiano Moser
CT7ABD - PY5RX
2009/12/16 Sion Chow Q. C. (9W2QC) 9w...@9w2qc.net
Dear All,
After a long time away from the satellites, I am pleased to report the
The Keppler data in tle-new.txt has changed the name for object name
2009-072A to YAOGAN8. Is this another official name for XW-1?
73's
--
With regards PE0SAT
Internet web-page http://www.ham.vgnet.nl/
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No, Yaogan-8 is the larger main payload, the 8th in a series of mainly
civillian imaging satellites.
If we fast forward a few days with the current keps
YAOGAN 8
1 36121U 09072A 09350.14442714 -.0045 0-0 0+0 052
2 36121 100.4979 047.2280 0007533 028.3305 331.8410 13.16397965
XW-1 SSB seems to operate only over China.
36121U 09072A = YAOGAN-8
36122U 09072B = XIWANG-1 (HOPE-1, XW-1)
36123U 09072C = CZ-4C R/B
JE9PEL, Mineo Wakita
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Not an AMSAT-NA
Dear All,
Just a resent in case this one did not go through.
Here is a recording of the 2nd pass, 17th December 2009, 0005 hours
MYT, 12 degrees elevation. This is equivalent to 16 December 2009,
1605 UTC.
http://www.9w2qc.net/amsatbb/xw-1_171209_0005_MYT_12_deg.mp3
73,
Sion Chow Q. C.,
Hi,
Strong signal at 16.50 to 17.00 utc over europe this evening from Ao-51 mode
V/S.
For entire pass the signal was very good over s-9 into 90 cm dish with Keps
downconverter.
Only twice during the entire orbit (3-4 seconds each), the signal dropped down
below
noise level.
No tackers,
http://english.cctv.com/program/chinatoday/20091216/100966.shtml
73, Drew KO4MA
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/program/chinatoday/20091216/100966.shtml
73, Drew KO4MA
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OK, I'll revise my earlier question and suggest a reply.
The physically larger satellite will have more atmospheric drag which will
spiral it into a lower
orbit. The lower orbit, the higher the velocity and thereforeit crosses
your horizon earlier.
Nigel Gunn G8IFF/W8IFF wrote:
Is
Ok,
Here is my recording of the XW-1 cw beacon.
www.on4hf.be/16dec2009-18u20.wav
73,
Eric -- ON4HF.
--
Eric Knaps
Waterstraat 30
B-3980 Tessenderlo
Belgium
Tel. +32472985876 (mobile)
http://www.on4hf.be
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Jabi expunged (ea2...@euskalnet.net):
I want to buy one Mode J filter for work V/U mode.
I've been meaning to try this filter, I know PAR makes good quality products:
http://www.parelectronics.com/images/amateur_sat/modej_specs.htm
Of course, you could also just use a diplexer...
-Steve
Andrew Glasbrenner expunged (glasbren...@mindspring.com):
http://english.cctv.com/program/chinatoday/20091216/100966.shtml
Makes me wondering if our German friends have had any discussions with the
Chinese launch authority
-Steve
N1JFU - http://n1jfu.blogspot.com - sme...@twitter
The influence of the drag force also depends on the mass since F=m*a,
so the same drag force will cause less deceleration on a heavier
satellite. You have to put this together with F=pressure*surface_area
to take both the size and the mass of the satellite into account.
By the way, is there any
I don't know but something is causing the two satellites to drift apart.
Knowing the rules helps to sort out the keplerian elements of the two.
Alexandru Csete wrote:
The influence of the drag force also depends on the mass since F=m*a,
so the same drag force will cause less deceleration on a
Hallo,
also at 18:40 utc very strong S band signal, even at very low elevation (60cm +
keps converter)
Unfortunatly nobody from US (maine or vermont) and Canadian Atlanic coast.
73 Marco IK2CFR
- Original Message -
From: Francesco Grappi f.gra...@tin.it
To: amsat-bb@amsat.org
Sent:
Nigel Gunn G8IFF/W8IFF wrote:
I don't know but something is causing the two satellites to drift apart.
Knowing the rules helps to sort out the keplerian elements of the two.
Keep in mind they were in all likelihood deployed at different
velocities, so it a bit more complex than just drag,
Still seem to be off frequency ,tried using RIT to tune but no luck.
Have the following listed:
AO-7,145950,432150,USB,LSB,rev,0,0,modeB
any help would be appreciated.
Thanks for any helpJack WA1ZDV
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Hi,
During the pass of 20:00 UTC 15-12-2009 I made a complete recording.
Here is the link to listen or download the file. It's about 20min
but only 2Mb in size.
http://www.ham.vgnet.nl/downloads/XW-1_15-12-2009_2100-CEST.mp3
Here is the decoded telemetry:
BJ1SA XW XW AAA TTT AAB AUE ETT TTT
Jack,
Those numbers look about right. Certainly close enough to find yourself. I
would suggest using the buttons in the CAT menu to net yourself in. Some
rigs don't work well with the RIT for this.
Which rig are you using?
Alan
WA4SCA
-Original Message-
From:
It's allowed to be off frequency. It's just had it's 35th birthday.
Change your uplink or downlink frequency slightly to compensate.
Where have you the following listed?
Jack Barbera wrote:
Still seem to be off frequency ,tried using RIT to tune but no luck.
Have the following listed:
Fine copy of the satellite CW beacon.
Could hear since AOS till LOS 0º.
Happy!
73 Fabiano Moser CT7ABD PY5RX
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Just listened to the 01:30 pass of XW-1 even with just a 1/4 wave
groundplane, that beacon is impressively strong!!!
Can't wait to play on the transponders!!
George, KA3HSW
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Anyone know the status of this?
I tried to email Ivan and got an email delivery error.
Randy - N2CUA
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http://www.folkways.si.edu/albumdetails.aspx?itemid=1145
http://media.smithsonianfolkways.org/liner_notes/folkways/FW06200.pdf
--
Joe Leikhim K4SAT
The RFI-EMI-GUY©
Use only Genuine Interocitor Parts Tom Servo ;-P
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Hi,
YAOGAN 8 traveling faster could be due to possible initial orbit
corrections and maneuvering that includes minor correction of
injection velocity (delta V). The drag do influence even at
geo-transfer and geo-synchronous orbits.
73 de
Mani, VU2WMY
Secretary Station-In-Charge
Upagrah
Heard beacon over Malaysia 04.10 UTC Pass. Strong signal
Sangat Singh, 9M2SS
--
Sangat Singh
53, Jln. Perdana
National Planetarium
50480 Kuala Lumpur (MALAYSIA)
Mobile: +6012 283 8873
Office: +603 2278 7388
FAX: +603 2273 8873
Skype ID: sukhija
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