Found plenty of pager hacking info via a better worded google search. I
guarantee you those guys are not concerned
with FCC compliance.
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In doing some historical research, I came across a tidbit of info about
Raytheon being
awarded a contract in 2002 to convert the NAVSPASUR fence transmitters to
s-band.
Does the system still use 216.98 mhz, or is it strictly s-band now?
A related question - given the huge amounts of radiated en
After a Linux hiatus of a few years, I setup an spare pc with Linux Mint, an
offshoot of Ubuntu. Through the software manager (gee, thing have become easier
since
my last Linux adventure) I was able to install the latest Predict software.
When I run it, it
first asks for my station info. I enter
Does AO-10 still transmit a detectable carrier on 145.81? Just wondering. I
think the
last time I heard the feeble signal was 10 years ago.
Rich, N8UX
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Oscar 11 launch date: Mar 1, 1984
I have a special place in my memory for Oscar 11. It was launched on the
same day that my eldest daughter was born. Both have performed very well
I think for the past 27 years. And last week mother and I were given the news
that she (daughter, not UO-11) is expect
At 10:50 PM 3/4/2011, you wrote:
>I know there is a kit out there for a receiver and or a SSB converter.
>2-meter/70cm SSB receiver. I heard there was an article in QST so it must
>exist.
Search the QST archives, as well as QEX, The ARRL Handbook, The VHF/UHF manual,
The UHF/microwave experiment
At 10:43 AM 3/19/2011, you wrote:
>Yet another Video of the AZ EL Rotor by VU2POP
>http://www.youtube.com/watch?v=tWBh29MyqWU
Excellent homebrew skills displayed here. Great job!
Rich, N8UX.
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Looks like this will be an opportunity for those on the West coast... Rich
At 09:59 AM 5/22/2011, you wrote:
>Hi,
>
>OSCAR-11 is off at the present time. I'm expecting it to switch on
>during Wednesday May 25th at about 05:17 UTC, when the satellite is out
>of range for UK.
>
>I would apprecia
Does anyone have a diameter setting for ISS that gives a decent approximation
of visual magnitude (Magn in Instantrack)?
Thanks,
Rich, N8UX
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Nice project. I for one would love to see more about the code & hardware.
Another question for the FAQ: What is the release date for "Sump: The Sequel"?
Or perhaps it will be a prequel. :-)
Rich, N8UX
At 05:57 PM 7/9/2011, you wrote:
>Hi,
>
>I recently completed a project that someone on the boar
Ah, yes... the Oscarlocator. Why I remember back in the day when...
I'll spare you all, except to say that if I recall correctly, once the correct
overlay was
selected, we would take nothing more than two pieces of data, the time of an
ascending equator crossing
(EQX abbreviation comes to mind),
I believe an older (1989-90) edition of the Amateur Satellite Handbook had
the map on the inside back cover, and overlays that could be copied from the
pages.
Of course someone would have to create the overlays for more recent satellites.
N8UX.
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Se
Could someone cook up a quick .flv and descrition for Youtube? We can spread it
out via
the Facebook Internet thingie and drum up some interest. Publicity, publicity,
publicity.
Rich, N8UX.
At 05:51 AM 7/31/2011, you wrote:
>OK, call me old and sentimental ... But that was one of the most exci
I made RADIOSCAF-B lemonade this morning at approx 8:50 UTC:
Ingredients:
One (1) RADIOSCAF-B satellite w/missing(?) receive antenna
Twenty-five (25) watts of rf (CW) to 11 elements
11 elements for receive
My downlink was not super strong, but certainly Q5.
This was a maximum 6 degree elevation
I've seen several comments and reports stating the deployment was
against the ISS velocity vector. Why do I see arissat out ahead of ISS
by a few hundred miles? Keps are current, and 3 tracking programs are in
agreement. Can someone provide enlightenment? tnx...:-)
Rich, N8UX.
___
@amsat.org [mailto:amsat-bb-boun...@amsat.org] On
>Behalf Of Rich Dailey
>Sent: Monday, August 08, 2011 7:44 AM
>To: amsat-bb@amsat.org
>Subject: [amsat-bb] ARISSat deployment direction?
>
>I've seen several comments and reports stating the deployment was
>against the ISS ve
Heard nothing on 145.950 from 802-812 UTC Aug 15. I'm assuming this is expected
as it was in eclipse. Sri, I've not been able to follow the battery issue
thread due to other
commitments. Just happened to be up in the wee hours to listen.
Rich, N8UX.
_
Thought other tracking nuts like myself would enjoy this article on the
NAVSPACR fence(s)... N8UX.
http://fredericksburg.com/News/FLS/2011/082011/08152011/644977
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Someone on the list was inquiring about an Oscarlocator a while back.
Just FYI, one is up on ebay. I'm not the seller, just came across it in one
of my searches.
http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=370549993740
Rich, N8UX.
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Sent
Anyone have a lead on a service manual for this rig? I've googled until my eyes
hurt, and cannot seem to find one available anywhere.
Thanks,
Rich, N8UX
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Thanks to all who helped in finding a source for a service manual for this rig.
I contacted someone who had one for sale. Just FYI - Instruction manual and
schematics for the A/E are available online. But not a full service manual.
Rich, N8UX
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An interesting article on ionic propulsion for cubesats that
I thought might interest the BB.
http://web.mit.edu/newsoffice/2010/cubesat-01115.html
Rich, N8UX
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Launch is scheduled for today. GUI for tracking and other info at :
http://ssl.engr.uky.edu/suborbital/adamasat/gui
On Twitter:
http://twitter.com/KySpaceADAMASat
http://twitter.com/KySpace
Rich, N8UX
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This is an old, dusty Oscar history question, so anyone not interested
in old, dusty questions - feel free to punch out here :-)
Were there any Martin Marietta employees involved in the early Project
Oscar days? Radio club participation perhaps? Any direct technical contribution,
hardware or other
Voyager II is bit-flipping, engineers will attempt a fix from 8.6 billion miles
away.
Transmission delay is 13 hours. Wow.
http://www.spaceflightnow.com/news/n1005/11voyager2/
Rich, N8UX
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http://www.npr.org/templates/story/story.php?storyId=128740683
http://www.interorbital.com/TubeSat_1.htm
Rich, N8UX.
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Can someone send me a link where I can find current keps for Vanguard 1, and
other
ancient sats? I've Googled myself cross-eyed, and not coming up with anything
current.
tnx...Rich, N8UX
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At 12:24 PM 1/5/2011, you wrote:
>http://www.spacedaily.com/reports/Turkey_To_Launch_First_Home_Made_Communications_Test_Satellite_999.html
>Ignoring that silly drawing, has anyone heard about this before now?
Sorry, but I'm really diggin' that design, with the log periodic antenna, and
the mast
At 11:04 PM 1/29/2011, you wrote:
>I remember the amsat cw bulletins.
>Joe WB9SBD
I remember the hf nets as THE watering hole, water cooler, what have you... for
AMSAT Oscar news. Yes, copying the elements by hand (it seemed the QRN knew
exactly when to crash, and I hoped to get it all on the repe
Let's not forget about the funcube dongle as a terrific economical
solution for receiving. And any decent FM transmitter can key CW,
no? Assuming someone already has a vhf/uhf rig, I can see getting qrv on linear
transponders today for under $200.
Or am I being too simplistic?
Rich, N8UX
_
>As others have noted, every major operating system out there has an FTP
>client, but apparently that's not all that's required. What sort of error or
>denial message are you getting? That will guide the next step.
And don't forget about the command line client that's available in any WinXP
At 08:52 PM 4/28/2009, you wrote:
>I am working on some a couple of the "Cheap" antennas by WA5VJB, that have
>been talked about on here.
>I am building these for Field Day and th use for some moble work on AO-51 &
>AO-27 after that.
>My question is this, Is the "J" /DE element centered in line w
>Don't get me wrong, the use of the suit is a marketing master-stroke. But am
>I right that it's basically only there for support (both mechanically and
>politically)?
Yeah, I think it's mostly for media impact. The sight of a lifeless suit
floating away from
the station is Stanley Kubrick-i
At 07:53 PM 7/8/2009, you wrote:
>>
>>THIS IS INSANITY
I'm with Bob on this. The paging device itself is no more illegal than the
AIDC downconverters I
used on my ao-40 dishes. It's the application, not the device. The FCC leaves
certain interpretations broad
enough to give us experimenta
FYI - We've all heard the familiar "Tranquility base here, the Eagle has
landed", but if
you want to hear all the air to ground in real-time (plus 40 years), NASA is
replaying it at -
http://www.nasa.gov/externalflash/apollo11_radio/
Seems to be everything, even the long periods of silence.
Virgin Galactic Deal Targets Small Satellite Launches.
"Whitehorn said a business plan is being evolved by working very closely
with Surrey Satellite Technology Limited, a leading small satellite company
based in Guildford, United Kingdom. That group has already delivered
operational space mi
http://sites.wff.nasa.gov/webcast/
Rich, N8UX.
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Great stuff, Mark. I'm an old, dusty assembler, and later a C programmer.
Used to program for fun,
then for profit, then after a few years of life I looked around and the art had
snuck ahead of me.
I used to hack up the PREDICT code for my own devious purposes, and just to
have fun
with the s
Thanks! Got it working... Rich, N8UX
At 09:11 AM 11/18/2009, you wrote:
>Yes several times
>
>You can edit /root/.predict/predict.qth
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An open invitation to the list to assist in jogging this not so young man's
memory... a bit of nostalgic research I'm doing. Thanks in advance for
everyone's
help.
Back what I used to call "not so many" years ago, maybe 1980-1985, I recall NASA
mailing me 2-line elements for specific satellites I
Thanks to all who provided the info on the GSFC 2 line elements that I used to
receive in my mailbox every few days.
I currently update all my software through the satellite element update feature
within satpc. I download
the keps, and run a little script that updates my other tracking programs
>I think so, but as I recall we were limited to a total of 10. Not
>surprising as the process looked pretty manual. They were photocopies of
>output from some cranky old teletype terminal (ASR-33?).
Ah yes... I remember that! It did look as if an old teletype was chugging these
things off
from
Found it in mp3 format on Amazon also -
http://www.amazon.com/gp/product/B000S98UMI?ie=UTF8&tag=outoftheeth-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B000S98UMI
I've got to get this. The liner notes are very interesting...Rich
At 10:07 PM 12/16/2009, you wrote:
>http://www.folkwa
Good question... I was into radio astronomy long before we had PC's, but I'm
assuming
(perhaps wrongly) that the easiest method to track a planet (for a short time)
would be to use
current right ascension and declination data and a motorized polar mount, i.e.
a telescope mount
with antennas.
Ri
And speaking of ARISS, I saw on twitter (from @RF2Space) that there were
a total of 121 contacts with schools in 2009.
Rich, N8UX
At 11:00 AM 12/29/2009, you wrote:
>I thought you'd like to see the following blog entry:
>http://rt.com/About_Us/Blogs/orbital-log/2009-12-28.html
>73 de andy g0sfj
Great production Henk - Thanks!
Rich, N8UX
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I've heard/read about OSCARs I & II having their antennas deploy after
separation from
the Agena B, but from all the photos I have seen, it shows a fixed antenna.
There is
even a photo of an AF specialist installing OSCAR I into the payload bay, and
this photo shows
the antenna fully deployed.
A bit of a correction/addition to my earlier email. Don Stoner, W6TNS (sk)
described
the antenna of OSCAR I in a Feb 1962 article in CQ:
"The cover of the package contained a fixture for the 1/4 wave monopole which
used the case as a counterpoise. The antenna was secured to the cover until
afte
Alas, my search is back on again for a service manual (not the instruction
manual, which does have
some technical info, but is not comprehensive) for the Icom IC-471A. I do have
the instruction manual,
as well as a schematic. Thanks again to all who helped previously, and thanks
in advance for
That thought has crossed my mind (that one never existsed)- I heard or read
somewhere that there was once a service
manual that covered both the 271 and 471, but I've never seen it. Will keep
looking though. Thanks!
Rich, N8UX
>Rich, I'm hoping this is wrong, but I was talking with another ham
Congratulations on your and Andre's achievement. No time for errors inside
a 30 second window! Enjoyed the video/audio as well.
Rich, N8UX
At 06:14 PM 1/8/2010, PS8RF wrote:
>I posted a short video with the contact maintained today with Andre, ZS2BK via
>AO-7 in mode B ( Orbit 60848 - 19:47 UT
Well deserved.
...Rich, N8UX
At 08:31 AM 1/19/2010, you wrote:
>SSTL founder and Surrey Space Centre director Sir Martin Sweeting has received
>the Lifetime Achievement Award at the
>Elektra Electronics Industry Awards 2009.
>Full story here:
>http://www.satnews.com/cgi-bin/story.cgi?number=174
I recall running in circles years ago trying to figure out why two tracking
programs
didn't agree. Turned out it had to do with a daylight savings time flag that was
(or was not) set correctly. Not sure if this is possible with SATPC32, but just
thought I'd throw it out there for consumption.
Ric
Can someone tell me the major difference between the two downconverters?
Ten years ago or so, I used a 3733 un-modded at the fed point of an 8ft dish to
copy ao-40 tlm. Today I read a lot of references to the 3731, but not much about
the 3733. Just wondering if one is preferable to the other.
Rich
Thanks for the links, Ron. It's been a while since I've dabbled with 2.4ghz,
since AO-40's heyday. Going to get my old toys back out this summer.
This info will help stir those brain cells back up.
Rich
>http://www.k3roj.com/images/AIDC3733downconvtr.txt
>
>http://www.jrmiller.demon.co.uk/product
Thanks to Andrew, Adrian, and Alan for pointers to space-track.org,
and Nigel for the file. On my way... Rich, N8UX
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I'm assuming space-track.org has taken the place of the old NASA O.I.G. site
that I remember using several years ago. Thanks again to all for the
info...Rich, N8UX
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Not an AMS
Sounds like UO-11 to me.
N8UX
At 04:03 PM 8/31/2010, you wrote:
>http://www.gjcp.net/~gordonjcp/weirdnoise.mp3
>
>Recorded on 145.825MHz at around 20:57 BST, in IO75ww - I have no idea
>what it is.
>
>>From the way it faded up and down I'd guess it was something in orbit
>but I can't figure out wh
Has anyone decoded any tlm channels (that aren't dead)?
Rich
N8UX
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>Hey, I'm not crazy... Hi !! I'm looking for satellite prediction software or
>similar for Commodore 64. Anybody know where I can find this !?!?
You might want to contact John Magliacane, kd2bd - as I recall he wrote some
early basic code for the c-64 that later was incorporated into PREDICT.
R
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