Thanks to all who contributed useful comments to my
previous V/S message. The second evening's passes I
was able to confirm that all is working, however my
tall, nearby, local trees are not conducive to passing
the S-band frequencies, so in future I will have to go
portable. The good thing is that very little QRM (at
least on AO-51's downlink freuquency, but not so the
BB!) was/has been observed here inside the DC beltway
which makes me think that P3E and Eagle's S-band
payloads will be usable just fine.
____________________________________________________________________________________Get the free Yahoo! toolbar and rest assured with the added security of spyware protection.
Good strong TLM signals from RAFT here this afternoon which I managed to
gate via ZL2BAU onto APRS IS.
Will have the system running again tomorrow although the temperature is
rising noticeably now, re-entry not far away now?
Good luck with the last few attempts at the Radar experiment folks, hope it
works out OK.
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.467 / Virus Database: 269.8.0/817 - Release Date: 24/05/07 16:01
Currently for my satellite station I am using double stacked vertical
polarized yagi antennas for 2M and 70 CM.
However, due to mounting constrains, I would like to mount them in a H
configuration instead, on the G-5500 rotator, with the 2M antenna on one
side and the 70 cm antenna on the other. A yagi for L and S band will be
mounted in between the two antennas on the horizontal boom.
This would mean that I will require the antenna to be horizontally polarized
instead of vertically polarized unless I use a non-metallic boom. Before I
perform this, I would like to know what are the differences with using
horizontal instead of vertical polarization when operation the LEOs such as
AO-51, SO-50 and etc. Also, what are the effects of using a horizontal
polarization with the ISS on 2M?
Sorry if this has been asked before, but was just trying to be sure before I
perform any major modifications. Thank you very much in advance.
Sion Chow Q. C.,
Dear RAFT voluteers in the Southern US,
Key is the awareness of the need for doppler compensation:
memory A approaching - 145.827 receive / 145.823 transmit
memory B overhead - 145.825 receive and transmit
memory C going away - 145.823 receive / 145.828 transmit
Most of you know, but you easily overlook a first time and you have only
one or two passes left ...
I have always simply used 3 memory channels, in fact mostly channels A and
C, due to the speed of RAFT (same holds for ANDE). Worked flawless for
commanding RAFT. Without compensation it won't work though :-)
RAFT Command Station, The Netherlands, Europe
--- Original Message ---
> This mode is a real kick. With only a few on the satellite we can
> actually say something, beyond a grid square.--
> 73 Bob W7LRD
Hi Bob (and the list),
Yes, it's a great mode, and it'd be great to see in the schedule more often.
I powered up my old Cal Amp integrated downconverter/antenna last night for
the first time in a long while! I
worked a couple stations in this mode, although I ran into some problems and
couldn't return a call or two
that I heard.
It was purely operator error, as I was outsmarted by my PC! Instead of
creating a new mode in InstantTune
for the 145.880 uplink, I attempted to override the PC control.. No dice, on
each frequency update the TX rig returned to
145.920, just like it's supposed to do.. I know AA2TX is laughing at me
Does CAT mean 'Computer Aggravated Tuning'? hi hi
The bird was loud and clear, and signals were quite strong at my QTH,
although the QSB is very apparent.
Next time I'll be ready for a full-blown QSO!
Amsat # 35249
VUCC Satellite # 150
At Dayton, Mendlesons was selling 12 VDC Jump Start 12VDC
battery sets with 400W inverters for $10 AS-IS (something wrong
with each). But the 18 AH battery was worth it alone....
I bought two.
For one, I just charged the battery, and left the blown fuses in
the AC inverter. Everything else worked. The inverter was
smoked and so I wont use that feature.
For B. The 400W AC inverter worked, but the DC switch panel
didn't and left a constant load on the battery. So the hack
shown on this web page made for a 10 minute bypassing of the
switch panel while letting everything else work properly.
They were selling them by the dozens. Thought someone else
might find this useful. Bob