*Hi all.
The next "HV Sat com" Net is Thursday July 8 @ 8PM; EDT;
(Or 2400UTC), & the Echolink node is "N2EYH-L"
More info: www.hvsatcom.org
& for more info (Mt.Beacon ARC) go to: www.wr2abb.org
73.Stu (WA2BSS;Director,MBARC)
(& QCWA Member)
*
Sorry All,
Update to my previouis post about Damon, WA4HFN. His will be on the birds Friday afternoon and Saturday morning. Look for him
in EM46 or EM56.
73 all,
Rick
Hi All,
I was asked to post this for Damon, WA4HFN. He will operate AO-27 at 1827 utc and SO-50 at 1908 utc from EM46 in MO. Look for
him later in EM56 in TN. He will operate FM birds only.
Thanks and have a Happy 4th,
Rick WA4NVM
I built a dual band VHF/UHF cheap yagi with 3 elements on VHF and 8 on UHF. I cross drilled the 3/4" PVC pipe boom and mounted the elements at 90 degrees from each other. I made the VHF elements removable so that I could easily transport the antenna in the car. I saw no interaction between the two antennas. I can definitely recommend this as a feasible project.
Howie
AB2S
_________________________________________________________________
Hotmail is redefining busy with tools for the New Busy. Get more from your inbox.
http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:…
Heard today of a Passive HF relay satellite being proposed.
Wondered if Hams could relay off of it.
It's a 10m diameter sphere.
I assumed a 10m signal and 1000 Watts
And antenna gains at both ends of 10 dB.
Unless I made a dumb error, it looks impossible?
I get a received signal of -170 dBm
Compared to a good HF receiver of -122 dBm
So its 48 dB down in the noise.
Going to narrow band, could improve things, but the Doppler of
+/- 600 Hz would make that difficult.
Anyway, if someone else wants to double check the link budget
using the radar range equation, go for it.
The beauty of this system is that it is perfectly spherical, so
the reflection coefficient would be constant within 1 dB. That
is the advantage over trying to use the ISS or other large
rocket body... They vary by 20 dB making communication by
reflection impossible.
Oh, and it would be in space for 30 years or more. So with
something that reliable, it would be worth developing an amateur
capability to use it.
It is not designed for comms, but as a calibration sphere for
over the horizon radars that have LOTS more power and LOTS more
gain than we do.
Bob, Wb4APR
We have NH represented again, thanks to Jack WA1ZDV!!
So hopefully for the last time, here are the satellite operators.
NY- Pete, WB2OQQ/K2A
VA- Steve, NL7VX/K2B ( only available July 1st and 2nd )
RI ---------------------------
CT- Paul, K1PL/K2D
DE ------------------------
MD- Bruce, WA3SWJ/K2F
GA- Tim, N3TL/K2G
MA- Dave, KB1PVH/K2H
NJ- John, K2ZA/K2I ***** NEW *****
NC- Mark, N8MH/K2J
NH- Jack, WA1ZDV/K2K ****** NEW *****
SC- Art, K4YYL/K2L
PA- Rich, K3BFS/K2M
I hope everyone has a good time!!
Dave - KB1PVH/K2H
Sent from my Verizon Wireless DROID
