Students at the Ivy League Brown University are developing an amateur radio satellite EQUiSat that will carry a Xenon Flash Tube (XFT) subsystem to act as an Optical Beacon that should be visible to the unaided eye of observers on Earth.
73 Trevor M5AKA
Has anyone located a driver for the LVB Tracker internal USB to serial
port adapter on Windows 7 x64?
If not, has anyone reverted to the serial port connection on LVB Tracker
and used an external USB to serial port adapter successfully with
SatPC32 on Windows 7 x64?
I have an Edgeport multiple USB to serial port that has drivers for
Windows 7 x64 that I will use if I have to. I would prefer using the LVB
Tracker with its USB to serial adapter if someone has another solution.
Here is a quick AO-16 update. On Sunday I turned AO-16 long enough to
get some telemetry packets. The satellite would remain on for less
than one minute after being commanded on. A quick test of the "bent
pipe" voice mode repeater was successful. . The "hardware watchdog
timer problem" is still evident; as expected, spacecraft temperatures
are insufficient to keep the transmitter ON (needs to be above 15 deg
Orbit projections suggest that satellite illumination conditions will
not result in increased temperatures for nearly 10 years. Command
stations do periodically turn AO-16 "ON" to check on its condition and
see if the hardware timer problem has "automagically" fixed itself
(which in not anticipated, but who knows...).
3 Oct 2010 1838 utc
PACSAT MBL Telemetry Decoder Ver. 1.3 (c) Mike Rupprecht, DK3WN
+10V Battery Bus : 0.00 V
Battery Charge Reg : 0.55 mA
Base Temp : 9.07 °C
PSK RF Out : 1.90 W
+5V RX Bus : 4.87 V
+8.5V RX Bus : 8.49 V
+10V RX Bus : 11.24 V
Here is another teaser :) Several months ago I commanded the AO-16
S-band transmitter ON; it too remains functional (albeit weak), and
was received by me, Drew KO4MA, and Alan WA4SCA.
Mark L. Hammond [N8MH]
Dear friends from University of loisiana in Lafayette,
Your bird was heard in the North of France when flying over Oran
(Algeria), orbit number 204, especially the CW beacon (on 145.823 MHz +-
Doppler) between 12:12:52 and 12:13:06 UTC, content was "EUL CAPE 2 OR
UF231". The signal was somewhat chirpy, but it's exactly the sound which
the real lover of CW like above all. Really ! :-)
The signal to noise ratio is not too good because I'm using an old AM/FM
scanner from the 80s heterodyned by my medium wave homebrew transmitter
fitted with a 456.9 Xtal. The antenna was a vertical half-wave inside the
The next orbit, number 205, was heard too, with the CW beacon affected
at that time by a hoarse voice and suffering from a strong fadding. So I'm
not absolutly sure, poor lonesome telegraphist, of my human decoding,
"M5UL CAPE 2 ÜR 5045", something like that. It was over the East coast of
Spain, between 12:12:52 and 12:13:06 :
Congratulation to the Cajun Advanced Picosat Experiment team from France !
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The Alinco DJ-G7 claims to be full-duplex capable. Anybody have thoughts on
On Wed, Jan 21, 2015 at 1:11 PM, D. Craig Fox <DFox(a)rwglaw.com> wrote:
> All of the foregoing responses express valid approaches. One thing to keep
> in mind if going the HT approach, is the long term reliability of the
> radio. The fact that there are still so many Icoms, Kenwoods, Yaesus out
> there is evidence of their long term reliability. Perhaps the inexpensive
> Chinese radios will stand the test of time- maybe not. But for very little
> more than the cost of two of the new cheap radios, you can have a full
> duplex HT. As others have said, there is no real substitute for hearing
> your downlink. I happen to like my full duplex Kenwood D7 because of its
> on board TNC giving me the ability to communicate through the ISS
> digipeater as I point my elk antenna while watching it go by. Way cool
> If you get really bitten by the sat bug like most of us, you will
> eventually want a full duplex, all function transceiver to enable you to
> work the linear (rd: low stress, high fun) satellites. Consider saving up
> for that instead.
> Just my $.02
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I've listened for Spinsat on 437.230 several times with no results.
There have been no reception reports from Spinsat to the best
of my knowledge. It is still near the ISS. Latest keps can be
73, Armando N8IGJ
Does anyone have this issue,
I have to turn my sat system on in a certain sequence.
1. Turn on the LVBTracker.
2. Turn on the 9100.
3. Start SatPC32.
Today I had a visitor in my shack who turned the Yaesu 5500 on first causing
the LVB issue, so don't just say 'don't do that' J.
If I turn on the 9100 before the LVBTracker I get a memory error on the
LVBTracker and have to do a re-calibrate, a real pain if you're trying to
work a bird that's already up. If I run SatPC32 before I turn on the radio I
get a SatPC32 error that could be a little easier to resolve then it is. I
would like to see a de-select, select sequence of the cat control to acquire
the radio instead of a SatPC32 reboot, sometimes with a task manager assist
in Win7 to halt the rotor
serverSDX. I have no idea what would cause the LVB to behave in this
manner. Anyone have the LVB issue? Any solutions?
73 Jeff kb2m
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Sent: Tuesday, March 31, 2015 11:38:14 AM
Subject: Amateur Radio Roundtable
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Hello,I have a -471a that is deaf and dumb. memories work, sound comes from speaker, squelch works, but will only hear HT signal when placed close to printed circuit board wen case is off. Will go into transmit mode, but no power output noted. Please let me know what might be the possible fixes, and is there is anyone within a couple of hundred miles of Abilene, Texas who will be willing to assist with repairs or who do it for a fee.