' the receive periods by altering the PC clock.
Regards
David G0MRF
-Original Message-
From: Michael R. Lengruesser mlengrues...@amsat-dl.org
To: amsat-bb amsat-bb@amsat.org
Sent: Tue, 19 Aug 2014 15:53
Subject: Re: [amsat-bb] 2m Link Budget - Chinese Satellite 4M-LXS
See
Hi Simon.
Do you have any info on the TX output power and antenna on 145.990?
JT-65 from the moon is an interesting challenge.
The LuxSpace site seems to concentrate on AIS services for tracking shipping.
73
David G0MRF
-Original Message-
From: Simon Brown si...@sdr-radio.com
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
Hi Mark
Someone with an IQ file should be able to give you an exact figure. My
estimate is just under 3kHz high.
The good news is that possibly due to the increased thermal mass of the 3U
structure, the temp stability seems better than AO-73.
73
David
-Original Message-
From:
Err. Does that break your licence rules?
Broadcasting / politics
David
-Original Message-
From: Akihiro Kubota akihiro.kub...@nifty.com
To: AMSAT amsat-bb@amsat.org
Sent: Thu, 24 Jul 2014 2:14
Subject: [amsat-bb] Message from INVADER
Dear all,
Hello, INVADER(CO-77) will
I must quickly point out some real data:
www.warehouse.funcube.org.uk
Which shows an equilibrium of around +20 degrees after 64 minutes of sunlight.
Black solar cells on a black surface but some polished Aluminium in the
structure.
During eclipse, The Earth facing side begins to increase
secondary passengers, with approved
deployers, to one of the MEO orbits 8000 / 20,000km - Now that would be fun.
Thanks
David G0MRF
-Original Message-
From: Andrew Glasbrenner glasbren...@mindspring.com
To: Paul Stoetzer n...@arrl.net
CC: AMSAT-BB amsat-bb@amsat.org
Sent: Sat, 5 Jul 2014
Or use a FC dongle or other SDR software to record an IQ file for the
transponder.
You could see all the stations in the passband, then play again and listen to
each one in turn.
-Original Message-
From: Robert Bruninga bruni...@usna.edu
To: amsat bb amsat-bb@amsat.org
Sent: Thu, 26
Hi Jonas
Did you find your satellite?
I have 2.4G here.
1) What is the power output on 2.401 so I can work out what antenna I need to
use?
2) Is the antenna on the satellite an Omni or a patch?
G0MRF
-Original Message-
From: Jonas Bjarnø sveske...@gmail.com
To: AMSAT-BB
Thanks
David G0MRF
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14.82
Thanks
David G0MRF
-Original Message-
From: Jeff Yanko wb3...@cox.net
To: M5AKA m5...@yahoo.co.uk; AMSAT BB amsat-bb@amsat.org
Sent: Wed, 18 Jun 2014 22:45
Subject: Re: [amsat-bb] D-STAR Parrot Repeater Satellite launches Thursday
June19
What time is the launch
in the field and manual antenna rotating. !
Thanks
David G0MRF/P
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Well spotted Paul.
It's certainly worth any CubeSat deployed from the ISS or into a low orbit to
be as close to the maximum 1.3kg as possible.
Thanks
David
-Original Message-
From: Paul Stoetzer n...@arrl.net
To: amsat-bb amsat-bb@amsat.org
Sent: Fri, 23 May 2014 12:50
Subject:
Hi Trevor.
Thanks for all the info on two more transponders, one linear and one FM due for
launch in June
I thought this comment from the owners was really nice:
and an amateur radio payload provided by the AMSAT-NL and AMSAT-FR. These last
payloads serve as a return favour to the
Hi Greg.
Yes, the satellite has the transponder on for the whole orbit this weekend
until around 20:30 UTC Sunday
Looking at the red graph from the telemetry, you can see the power consumed is
the same in eclipse and sunlight. The peaks in the red graph are due to the
transponder being
The operators have to apply.
But it seems to meet all the requirements
David
-Original Message-
From: Mike Rupprecht m...@mike-rupprecht.de
To: AMSAT-BB AMSAT-BB@amsat.org
Sent: Fri, 2 May 2014 6:32
Subject: [amsat-bb] LituanicaSat-1 OSCAR
Hi all,
wouldn't it be fair to assign
no idea fuel was only 0.3% of the launch cost and that the first stage
was 70%
Great interview
Thanks
David G0MRF
-Original Message-
From: Bryce Salmi bstguitar...@gmail.com
To: B J va6...@gmail.com
CC: Amsat BB AMSAT-BB@amsat.org
Sent: Tue, 29 Apr 2014 17:14
Subject: [amsat-bb] Re
Transponder on at 09.10. this morning
Thanks Wouter
Happy Gagarin day everyone (April 12th 1961)
-Original Message-
From: wouter weggelaar pa3...@amsat.org
To: AMSAT-BB amsat-bb@amsat.org
Sent: Sat, 12 Apr 2014 0:24
Subject: [amsat-bb] FUNcube / AO-73 weekend operations
Hi All,
in about 15 minutes, I'll have a look
at the passband then. - It's usually much quieter after 23.00 UTC
Thanks
David G0MRF
-Original Message-
From: Peter Wilson prot...@virginmedia.com
To: amsat-bb amsat-bb@amsat.org
Sent: Wed, 12 Mar 2014 22:01
Subject: [amsat-bb] AO-73 deaf ?
Hi all
No 93..must try harder must try harder.
-Original Message-
From: David Johnson d...@thejohnsonsonline.net
To: Andrew Glasbrenner glasbren...@mindspring.com; Amsat - BBs
amsat-bb@amsat.org
Sent: Thu, 20 Feb 2014 21:43
Subject: [amsat-bb] Re: FUNcube Warehouse Upload Ranking Changes
Nice FUNcube demo Patrick.
Thanks for the good publicity
David G0MRF
-Original Message-
From: Patrick STODDARD (WD9EWK/VA7EWK) amsat...@wd9ewk.net
To: amsat-bb amsat-bb@amsat.org
Sent: Tue, 18 Feb 2014 22:44
Subject: [amsat-bb] Videos from last weekend's Yuma Hamfest
Hi!
I have
Hi Greg.
Most decent VHF transmitters will already have a pretty good LPF on the output
to reduce the harmonics.
However, receivers these days tend to be DC-Daylight, so frequently need a
filter to prevent 'blocking' by unwanted high level signals. In that case
preventing the VHF coming
at www.funcube.org.uk
Regards and good luck
David G0MRF
-Original Message-
From: Peter Budnik kb1...@comcast.net
To: AMSAT-BB AMSAT-BB@amsat.org
Sent: Fri, 27 Dec 2013 5:21
Subject: [amsat-bb] AO-73 Question
Dear Felloe Satellite Hams
I've been listening to AO-73 Telemetry beacon
. 145.920?
Other possibility is a large signal in the transponder passband causing the
beacon to FM.Is the modulation 'FM' or does it decode as SSB?
Thanks
David G0MRF
-Original Message-
From: n0jy n...@n0jy.org
To: AMSAT-BB amsat-bb@amsat.org
Sent: Fri, 6 Dec 2013 4:40
Subject: [amsat
Hi Roland.
Nice data from CAPE-2.
Curious about the unregulated bus voltage around 5.2V.
Doesn't seem to fit with a single or double Li poly cell. However, if it's the
output from 2 series solar cells, that might indicate the batteries are fully
charged and we are seeing the max power
on the CAPE website
which describes the sequence or timing of the transmissions. If you can send a
link for this info and I'll be able to anticipate the timings and modes.
Thanks
David G0MRF (FUNcube team)
-Original Message-
From: Nick Pugh K5QXJ quadp...@bellsouth.net
To: 'Roland
186.8069 0003506 014.0453 346.0304 15.21277316 1661
Regards
David G0MRF
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equations.
Regards
David G0MRF
-Original Message-
From: Nick Pugh K5QXJ quadp...@bellsouth.net
To: g0mrf g0...@aol.com; amsat-bb amsat-bb@amsat.org
CC: cape c...@lists.ulcape.org
Sent: Mon, 2 Dec 2013 14:52
Subject: RE: CAPE-2 CW over Brazil
Tnx David for the report
If you have a TNC
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on the other side of the planet.
73
David G0MRF
-Original Message-
From: Christian F1AFZ f1...@aol.com
To: amsat-bb amsat-bb@amsat.org
Sent: Thu, Nov 21, 2013 7:49 am
Subject: [amsat-bb] Re : Re: FUNcube-1 in Space!
Congratulation for all the team !!
73's Christian F1AFZ
http
Hi Domenico.
Thank you for that formula relating sensitivity in a particular bandwidth to
system noise figure.
I have lost count over the years of the number of times you've posted just the
right piece of theory to answer a question.
Definitely time to say
Thank you.
David G0MRF
on the ground and pointing accuracy of 2 degrees or better.
Thanks
David G0MRF
-Original Message-
From: michael luft milu...@gmail.com
To: amsat-bb amsat-bb@amsat.org
Sent: Thu, Sep 5, 2013 7:42 pm
Subject: [amsat-bb] S band LEO Sat tracking
What kind of positioning accuracy can
Heard the same story from a space professional at the AMSAT-UK event
this weekend
Upside down gyros. - Can that happen by accident?
David
-Original Message-
From: Alan wa4...@gmail.com
To: AMSAT-BB amsat-bb@amsat.org
CC: CC apbid...@united.net
Sent: Sun, 21 Jul 2013 13:37
Subject:
of the visit, I dropped it all in the hotel
dustbin.
David G0MRF
-Original Message-
From: Les Rayburn l...@highnoonfilm.com
To: AMSAT Mailing List amsat-bb@amsat.org
Sent: Thu, 6 Jun 2013 5:17
Subject: [amsat-bb] Best Antennas for Attic (Short Booms)
I'm in the process of upgrading
of interest from people with HF +
50MHz equipment.
- HF antenna = prototype deorbit system??
or 2 x ferrite rods at 90 degrees on receive
Thanks
David G0MRF
-Original Message-
From: Ing. Pavel Milanes Costa co...@frcuba.co.cu
To: Bob- W7LRD w7...@comcast.net
CC: amsat-bb amsat-bb
Hi all.
Deployable gain antennas are possible, but unfortunately attitude
control is a real issue. If the orbit has a high perigee then the
magnetic field for magnetorquing is minimal. With limited fuel and
little or no magnetic field, keeping the antennas pointing correctly is
difficult.
Hi Stefan.
No reason at all why a satellite can not be transferred from LEO to a
GTO style orbit.
A definate advantage would be to have the LEO orbit the same
inclination as the wanted 'GTO' orbit as it uses less fuel.
A consideration in the overall design would be to allow for the long
Yup. That is the HO-68 beacon.
I use it at my school for demonstrating / measuring doppler and
calculating the velocity and altitude of the satellite.
Thanks
David
-Original Message-
From: B J va6...@gmail.com
To: R.T.Liddy k...@ameritech.net
CC: amsat-bb amsat-bb@amsat.org
but there are
3MHz available.
Sounds like a good use for a reworked version of ' CW skimmer '
Thanks
David G0MRF
There is, however, no denying that the Amateur-satellite Service
requires more
spectrum. The key spectrum for us is at VHF/UHF below 1 GHz but we only
have two
allocations - 435-438 MHz
Hi both.
I believe the digital SSTV that is used on HF / VHF is in reality DRM,
which is a forward error corrected digital communications standard (?)
I suppose the real difficulty is implementing a method of reading an
image file and then encoding it for transmission in a broadcast type
G0MRF
-Original Message-
From: Trevor . m5...@yahoo.co.uk
To: amsat-bb amsat-bb@amsat.org
Sent: Fri, 10 Aug 2012 21:22
Subject: [amsat-bb] How the Amateur Radio OSSI-1 Satellite Works
The Open Source Satellite Initiative has released a 20 minute video
giving a
general overview
and radar absorbing
coatings not a good idea.
Thanks es gl
David G0MRF
-Original Message-
From: Graham Shirville g.shirvi...@btinternet.com
To: AMSAT BB amsat-bb@amsat.org
Sent: Tue, 7 Aug 2012 22:32
Subject: [amsat-bb] Technical question about radar reflectivity
Hi All,
I am preparing
Live coverage here
http://www.arianespace.tv/index.htm
If you can tolerate the 'adverts' and music
David
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within the errors. However, hopefully some of the students will
find it an inspiring addition to their study of gravitational fields.
Regards and thanks
David
-Original Message-
From: i8cvs domenico.i8...@tin.it
To: Amsat - BBs amsat-bb@amsat.org; G0MRF g0...@aol.com
Sent: Sun, 10 Jun
David G0MRF
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radars etc may be needed, but as
with all projects, a starting point is needed. Any thoughts?
Many thanks
David G0MRF
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Really !
I managed to make a 2 way QSO through the amateur radio transponder.
Keep up Domenico
David G0MRF
-Original Message-
From: i8cvs domenico.i8...@tin.it
To: Trevor . m5...@yahoo.co.uk; Amsat - BBs amsat-bb@amsat.org
Sent: Mon, 30 Apr 2012 1:02
Subject: [amsat-bb] Re
David G0MRF
-Original Message-
From: Trevor . m5...@yahoo.co.uk
To: amsat-bb amsat-bb@amsat.org
Sent: Sat, 31 Mar 2012 16:40
Subject: [amsat-bb] MicroThrust Motor for Nanosats
An interesting Swiss project see http://www.uk.amsat.org/6180
AMSAT-UK News on Twitter http://twitter.com
Hi Mark / group
Thanks for that.
If you've run the keps you will have seen that the satellites will be over the
East Coast of the USA just 15 minutes after they start transmitting. AOS for
the East coast is around 1 hour 50 minutes after launch. Some of the University
ground stations will
But given that the opportunity is looking for proposals in the field of
communications and propulsion, it sounds like a good chance to team up with
one of the university groups who are working on miniature Ion engines. They
are about 3 inches across and use as little as 36W. A 3U cube
Hi Dan.
SurelyNo ITAR problems, as AMSAT-NA pulled out of the P3E development
due to ITAR.
Don't forget to add Iran or North Korea (Hi)
David G0MRF
In a message dated 27/01/2012 22:10:25 GMT Standard Time, n8...@usa.net
writes:
2. China's Long March
Serious ITAR problems
G0MRF
In a message dated 27/01/2012 22:10:25 GMT Standard Time, n8...@usa.net
writes:
2. China's Long March
Serious ITAR problems...
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to do the job. - I always
think of the scene from Life of Brian where small ineffective groups sit
around plotting the overthrow of the Romans and just have endless meetings.
Sad.
Very sad.
David G0MRF
In a message dated 18/01/2012 21:04:43 GMT Standard Time,
kl...@acsalaska.net
exciting after all. Time for a beer.
73 David G0MRF
In a message dated 17/01/2012 03:56:37 GMT Standard Time,
rhyol...@nettally.com writes:
Has anyone seen this. I am surprised a shuttle mission permitted this
type of booster. From what I believed, safety concerns prevented most
, and will fly from the Kourou spaceport in French Guiana.
The project has been led by Italian industry and is years behind on its
original schedule.
David G0MRF
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Hi David
I heard that pass, and it seemed to be in low power mode, so on for 30
seconds and then off.
It should be around for a few hours more.
Thanks
David G0MRF
In a message dated 03/01/2012 17:34:39 GMT Standard Time,
at746da...@gmail.com writes:
Hello everybody:
This is David
minutes.
Thanks
David G0MRF
-Original Message-
From: Andrew Glasbrenner glasbren...@mindspring.com
To: amsat-bb amsat-bb@amsat.org
Sent: Wed, 4 Jan 2012 18:21
Subject: [amsat-bb] Preliminary Keplerarian elements for Vega launch
Does anyone have any preliminary keps for this one? I'm
the ARRL would like the idea
issuing
worked all continents awards for a QSO that takes 3 hours to complete, but
it would be fun.
73
David G0MRF
In a message dated 04/01/2012 21:08:55 GMT Standard Time,
kayakfis...@gmail.com writes:
I've been wondering if the issue is not lack
Hi Kirk.
You need a very good signal to noise ration with that SSTV via FM.
I've had OK (ish) pictures with a 3 element beam, but it's not ideal.
Try a near overhead pass, it must be a lot closer now than it was 2 months
ago when I last tried.
73
David G0MRF
In a message dated
Hi Roland.
That is really impressive. May I reproduce your graphs for a display for
our schools physics classes ?? Callsign left in place so they can
'google' your call.
Many thanks
David
In a message dated 27/12/2011 23:14:39 GMT Standard Time, py4...@yahoo.com
writes:
Hi Frank.
The next AMSAT satellite due for launch is likely to be Funcube from
AMSAT-UK. It will be possible to donate to this project from later this month
via the AMSAT-UK web site.
UKube also carries a linear transponder, It's not an 'AMSAT' project, but
the boards have been provided
ever since.
Maybe next time
73
David G0MRF
In a message dated 08/12/2011 07:46:57 GMT Standard Time, w7...@comcast.net
writes:
can't we squeeze a little bird in there?
Bob W7LRD
- Original Message -
From: B J va6...@gmail.com
To: amsat-bb amsat-bb@amsat.org
Next one ready to launch will probably be the AMSAT-UK 1U cubesat 'Funcube'
with a linear transponder.
Local to you will be Fox-1. Lets hope it qualifies for launch funding from an
educational grant.
Sadly the standard launch costs for P3E look to be impossible to fund, so we
need
Neither do you. Read, research absorb, consider and learn. - Then speak
David G0MRF
Whomever said they were promoting this kind of operation certainly did not know
what the hell they were talking about.
Kevin
KF7MYK
___
Sent via AMSAT-BB
is happening.
We can't get AMSAT volunteers involved in anything more than a fraction of 1%
of lessons, so perhaps AMSAT as product placement in lesson resources is a good
second choice.
Good luck
David G0MRF
What do you need? Classroom lessons abound for all aspects of amateur radio
is that although the
board is small, it's not the cubesat format
Thanks
David G0MRF
In a message dated 18/10/2011 17:59:20 GMT Standard Time, bruni...@usna.edu
writes:
I'm curious, as someone who was involved in designing
a nanosatellite. What sort of payloads would be of
interest
for auto changing decay rate or
for including other variables like sunspot cycle. I believe these variables are
accounted for in more advanced software like AGI Satellite tool kit (STK)
Thanks
David G0MRF
-Original Message-
From: Thomas Doyle tomdoyle1...@gmail.com
To: amsat-bb
Hi.
UARS is currently the most tracked object on www.n2yo.com
The NASA object number is 21701
Current element set seems to be 639, but that probably gets updated quickly now
Hope that helps
David G0MRF
-Original Message-
From: George and Cheryl Abbott ka1...@cox.net
is available in a single device. - RA07H4047M.
cost is $23 but then a box and some relays and a LPF will be much more than
that.
Thanks
David G0MRF
-Original Message-
From: James Cutler jwcut...@gmail.com
To: amsat-bb amsat-bb@amsat.org
Sent: Wed, 21 Sep 2011 17:32
Subject
) it looks like 20-25% depth of discharge for the
20Whr battery pack. That's probably OK for a 9 month mission ??
Thanks
David G0MRF
http://www.clyde-space.com/documents/1902
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Last pass at 20.00 UTC was OK for signal strength, but on low power mode.
Female announcement of RS0IS followed by male greetings message in Hebrew.
David
-Original Message-
From: i8cvs domenico.i8...@tin.it
To: Pete MI0VAX petemi0...@gmail.com; amsat-bb amsat-bb@amsat.org
Here in London, we have free access to the Russia Today TV station. The
launch failure is the major news item. They report it was due to a third stage
failure. Even had an interview with an eye witness who said the area where it
crashed was an area popular with people picking nuts in the
Hello Nader.
I heard the sat go into eclipse over Europe earlier in the evening. It appeared
to shut down immediately it passed into darkness. The battery does not appear
to have any capacity left.
Perhaps all AMSAT spacecraft should be designed to operate on solar panels
alone after the
Shouldn't all this telemetry reporting go to one of the ARISSSat-1 addresses
and not the BB?
David
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be a maximum energy limit to the capacity to avoid fire / explosion. (e.g.
there's a 100W/hr limit to some cubesat launches)
Thanksand still enjoying ARISSat-1
David G0MRF
-Original Message-
From: Trevor . m5...@yahoo.co.uk
To: amsat-bb amsat-bb@amsat.org
Sent: Sun, 14
Hi Trevor
FM 250mW
BPSK 100mW
CW 25mW
SDX 125mW
From QST article thats available online.
Regards
David G0MRF
I gather ARISSat-1's total power output is 500 milliwatts.
How many milliwatts of that is allocated to each of these downlinks
- FM transmitter
- BPSK Beacon
- CW beacon
passes.
Good luck
David G0MRF
-Original Message-
From: PA3GUO pa3...@amsat.org
To: amsat-bb amsat-bb@amsat.org
Sent: Mon, 8 Aug 2011 10:41
Subject: [amsat-bb] ARISSat TLM decoding using FCD
Just sharing the results of my recordings of last night:
(using the FCD + HDSDR
Hmmm. Was that a problem with the switches, or a missing antenna on the
opposite side to the 2m ?
Thanks
David G0MRF
-Original Message-
From: Clint Bradford clintbradf...@mac.com
To: AMSAT BB amsat-bb@amsat.org
Sent: Wed, 3 Aug 2011 16:39
Subject: [amsat-bb] ASISSAT-1
was transmitting at the same time.
Full duplex radios are the exception, but well worth having.
Another method is to use 2 simlex radios to get the same result.
David G0MRF
I'm having a difficult time of understanding the concept of Full Duplex. Can
anyone explain it to me? I have the ARRL satellite
Nice wish list Ed. A well thought out inventory of kit.
I recall 2 years ago I had some communication with some current and ex-members
of ARISS and came up with something similar. Unfortunately, and hopefully this
has now changed, I was left with the impression that ARISS was not AMSAT.
will be limited to 20 minutes about 6 times a day.
For a really long chat, 40m is probably best. - Start studying for that
licence upgrade !
73
David G0MRF
In a message dated 19/06/2011 00:16:14 GMT Daylight Time,
eric.f...@gmail.com writes:
A Technician class friend of mine and I would like
Hi.
This is causing some problem here too.
Is it possible to download and then paste them into the NOVA database? -
Perhaps as text files?
David G0MRF
In a message dated 14/06/2011 13:03:57 GMT Daylight Time, va3...@amsat.org
writes:
Hi Sven,
Space-Track has changed and now
$200,000 for something simple should do it. - If you're careful.
David G0MRF
In a message dated 18/05/2011 16:23:45 GMT Daylight Time,
pisym...@gmail.com writes:
Somebody just asked me, how much is it to develop/launch a new bird?
Anybody care to share some concrete numbers
This is an update on the ARISSat activities.
We had a telecon with the ARISSat team in Russia. Here is the situation as
described by them. The Russian suit battery that was intended to be used
on ARISSat was used during testing both on the ground and onboard ISS when
it first arrived. When
to come and as
long as the designers have anticipated it being deployed with a completely
flat battery, then we can all sit back and wait for July more prepared from
this rehearsal than we would have been.
Regards
David G0MRF
In a message dated 12/04/2011 21:13:19 GMT Standard Time
Well found Matt
Looks like the contents of page 9 highlight some potentially critical
issues.
Time will tell.
David
In a message dated 13/04/2011 20:11:43 GMT Daylight Time,
sq7...@poczta.onet.pl writes:
http://arissat1.org/media/pdf/ARISSat-1%20CDR%20Battery.pdf
very
Hi all.
I have a minor (probably operator error) with the TLM software.
Is there a way to get the audio to feed through to the PC speakers? I've
tried Spectran and Spectraview without problem, but the ARISSat software
does not appear to send audio out on my system. I cant hear the radio
please.
Would be nice to have some time to load it onto the computer at a weekend
and avoid the traditional last minute rush.
BTW. Did it get recharged via a new lead on the last supply flight? (Will
it last 24 hrs?)
Thanks
David G0MRF
from here in the UK to ZL.
My local club also took equipment to ZC4 in Cyprus and C56 (Gambia) making
about 200 QSOs from each location. DX-Peditioning was popular on the HEO
sats.
Happy days...
Good luck with the talk
David G0MRF
I just hope NORAD release the official post launch keps via celestrack.
Unlike the last Alaska launch.
Never did get to the bottom of why that decision was made. Hopefully not
a trend.
David G0MRF
In a message dated 03/03/2011 21:10:54 GMT Standard Time,
summit...@live.com writes
Tonights launch at 21.30 UTC
Live coverage _http://www.videocorner.tv/index.htm_
(http://www.videocorner.tv/index.htm)
David
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I wonder if it will sit until July?
After all the Russians KEDR name reflects the upcoming anniversary of Yuri
Gagarin's flight into space. That was 50yrs ago on 12th April.
So many questions
David
In a message dated 13/02/2011 08:28:12 GMT Daylight Time,
orbit...@hotmail.com
In a message dated 11/02/2011 08:27:41 GMT Standard Time,
ko6th_g...@hotmail.com writes:
How long will it be in this mode? I didn't get much chance to tune around
the passband to see if anything else was going on.
Greg KO6TH
Hi
Nice to catch a little of the CW at 00.23UTC last
to decay must also add
acceleration. (Gravity)
73
David G0MRF
In a message dated 10/02/2011 05:26:00 GMT Standard Time,
ko6th_g...@hotmail.com writes:
From: g0...@aol.com
Date: Wed, 9 Feb 2011 15:45:36 -0500
To: clintbradf...@mac.com; amsat-bb@amsat.org
Subject: [amsat-bb] Re: ARISSat
But didn't we say the velocity would be less than the ISS due to the method
of deploying it against the velocity vector ?
Time for me to have a Tuna sandwich. We all know it's probably full of
Dolphin...and they are really clever.
David G0MRF
Yes.
AO-24 was in a low inclination orbit. Probably a transfer orbit inclination
of 2 -5 degrees. I recall the transponder output was up near 2450MHz.
It was very high and had excellent coverage. I believe it failed because it
went into a planned shutdown due to something like eclipse or
That be fighting talkOK, shall we start the re-entry date
competition now???
For 66 pounds in a relatively small box, I think that Arissat-1 will go on
beyond 6 months by quite a bit.
My rapidly depreciating UK pound is on Launch + 324 days.
David (who never knew he had WAC via
That is good news.
Also, I see bids are being solicited from anyone / any team who would like
to form the official U-Kube ground station for the 1 year duration of the
mission.
There are a list of 20 requirements for the ground station at:
OK Henk, you sold me the idea.
I see there is a pass at 1650 and 1850 ish this evening in Europe. I'll
give it a try and perhaps get that rare QSL from NASA.
73
David G0MRF
In a message dated 21/01/2011 07:35:41 GMT Standard Time, pa3...@upcmail.nl
writes:
http
boiling.
If it's sun pointingjust use thermocouple junctions and a radiator on
the back.
Or maybe a few thermo electric coolers will output a volt or two at several
amps ??
David G0MRF
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