| Carasat Field Day 2006 Photos by Ed Cabic N2EC 6/23-25/2006 |
This
was the year of the big thunderstorm. Last year the HF stations were in an
air-conditioned tent. This year the word was that there would be more
operating space because there would be two tents. By Friday morning there
was extensive publicity in the media of the big storms that were coming. We
asked the “W3AO General Discussion List” early Friday morning for
permission to have Carasat setup in the tents and within an hour or so it
was granted.
When
we arrived at the tents at about 5 pm we were able to start setting up the
equipment in the second tent. We put up our antenna support stand and then
raised the two antennas (2 meters and 440) up about 20 feet from the ground
so that it was above the one story buildings around the adjacent school.
The
diesel generators were not turned on, so we did not stay Friday night to
practice with the satellite station.
Mark
and Ed arrived Saturday morning at 7:30 am to set up the equipment to try to
work satellites coming over before Field Day began at 2 pm.
The
first pass was FO-29 at about 8:20 am. We heard someone, but not strong
enough to make out what they were saying. Echo was up at 8:50 am. However we
discovered a problem. The Cara Yaesu FT-847 receiver when in SAT mode was not transmitting
when the PTT button was pushed. Fortunately, Mark had brought his Yaesu
FT-847 and he was able to put it into operation. No contacts were made on Echo.
AO-7
was up at 9:22 in mode B that we can work. We heard some stations, but we
were not able to work them. Finally at 10:25 Echo came over again and we
heard many stations. At 10:34 Art was able to work WA4EWV in grid square EM
70. The AO-7 pass shortly after 11 am was in mode A and thus we could not
work it. The reason is that mode A uses a 10 meter downlink signal and we
did not have an antenna for 10 meters.
Hamsat (VO-52) came over at 11:27 am and at 11:33 we worked VE9QRP in
FN75. At about 1 pm Hamsat came over and we heard some stations, but we
could not work any. At about 1:13 pm we switched to SO-50 and at 1:15 we
worked AB2UI in FN21.
When
Field Day began at 2 pm we
tried SO-50 at about 2:46 pm, but could not make a contact. At 3:11 FO-29
was over, but we could not hear anything because there was too much
interference.
The
big excitement for the day was about 4:22 pm when thunder was heard. We
disconnected the antennas from the radio and some went to their cars to
safely wait out the thunder and lightening storm.
Just prior to 5 pm FO-29 was overhead, but nobody seemed to be on the
bird. We could hear ourselves, but no one was around to reply so we could
make a contact.
After
coming back from the storm we discover that our Primetec rotator controller
was not operating properly and the USB port had been taken out. We tried
sending a signal to restart, but we were not successful. We had to operate
the rest of Field Day by having Mark continuously change the reading on the
Yaesu az-el rotator to match the values from his tracking program.
At
6:25 AO-7 came over, but we did not hear ourselves. We concluded that it was
not in mode B. Amsat has a log of contacts made on AO-7. Go to http://www.planetemily.com/ao7/main.php
and click on “View the Log” to see the passes and whether they are in
Mode A or B.
So
we switched over to FO-29 and made our first two “official” contacts for
Field Day as set forth in the Table below.
At
8 pm Echo came over, but we made no contacts on this FM bird. Then came AO-7
at about 8:13 pm and we heard ourselves proving that it was in mode B. We
then made two contacts on this bird as set forth it the Table below.
The
International Space Station (ISS) came over at 8:54. The astronauts were
asleep and so they have the radio configured as a cross band repeater. They
requested operators to use low power (10 watts or less) to connect. We had
radio problems in this new configuration and we were not able to make a
contact.
The
Echo pass beginning at 9:36 pm looked great. The bird would have a high max
elevation. Unfortunately it went over the central US so that its
“footprint” of areas that could work it included almost the entire US.
We did not hear anything. We concluded that everyone was trying to contact
it and so all the incoming signals overwhelmed the bird and it could not
send any single signal back down.
The
final pass for us for Saturday evening was Hamsat at 11:19 pm. Art initially
had some problems in hearing his signal on the bird, but at 10:30 pm we made
a contact with W9L0 in Wisconsin. That gave us 5 contacts for the first day.
On
Sunday morning we returned. We were not able to make any contacts on the
Echo pass at 9:45 am. We did note that our output power on this FM bird was
only 20 watts. AO-7 came next at 10:08 am with a high elevation. However, it
was in mode A and thus we could not work it. There was a Hamsat pass at the
same time, but it was only a 6 degree elevation and thus we did not work it.
For
the Echo pass at 11:24 am we heard some stations, but we were not able to
make any contacts. The Hamsat pass at 11:43 am had a problem in that the
generator we were using ran out of diesel fuel. We had to find a nearby drop
off plug from the other generator to get back on the air. No contacts were
made.
The
AO-7 pass at 12:02 pm we did not hearing anything. We later found from the
AO-7 Log that it was in mode A and thus we could not work it. At the same
time there was an SO-50 pass, but it’s maximum elevation was only 3
degrees. So again no contact.
The
Hamsat pass at 1:20 pm was only a 10 degree elevation in its path for us.
However, the footprint for the bird showed that it was workable from the
entire U.S. We did not hear anything on the bird - -
we suspect because everyone was sending signals to it.
Finally
the last pass for Field Day was SO-50 at 1:36 pm. It came up from the south
and we heard Florida stations working it. By 1:43 pm it was up in our part
of the U.S. and we were able at 1:44 pm to work W0MA in Missouri and then at
1:45 pm we worked VE3LCA in Ontario Canada.
Mark
Cather of the Carasat group also provided Field Day wireless networking in
the form of a 2.4GHz Wifi network service from his laptop to three machines
in the blue tent. When the
storms were coming Saturday afternoon, Mark was on a weather radar page so
we could tell with certainty when the storm was coming. We also used the
network to access the AO-7 logging web page listed above to see when an AO-7
pass was not in our mode B so that we could turn to working other satellites
when they were around at the same time. This networking service also earned
a 100 point bonus as an experimental mode.
To see a report on the overall PVRC/CARA Field Day Event click here for the ARRL Soapbox for FD 2006.
The
list of our contacts are below:
|
Local |
GMT |
Satellite |
Points |
Call sign |
Report |
|
Saturday |
|
|
|
|
|
|
6:37 pm |
22:37 |
FO-29 |
1 |
W9NE |
8A Illinois |
|
6:37 |
22:37 |
FO-29 |
1 |
WA4SCA |
1E Tenn |
|
8:23 |
00:23 |
AO-7 |
1 |
W9LDX |
2A Indiana |
|
8:28 |
00:28 |
AO-7 |
1 |
VE4FTO |
2A Maritime |
|
10:30 |
02:30 |
Hamsat (VO-52) |
1 |
W9LO |
5A Wisconsin |
|
|
|
|
|
|
|
|
Sunday |
|
|
|
|
|
| 1:44 | 17:44 | SO-50 | 1 | W0MA | 4F Missouri |
|
1:45 |
17:45 |
SO-50 |
1 |
VE3LCA |
2A Ontario |
|
|
|
|
|
|
|
|
TOTAL |
|
|
7 |
|
|
Bonus
Points for Satellite Station Contact: 100 points
The following people were seen at the Satellite tent this year and helped out.
Angela KC2JPI
Art N3OY
Bernie K3BAZ
Dave N3OYF
Doug AA3S
Ed N2EC
Ed N3IHX
John W3GJN
Jon KF3O
Mark KB3GJE
Chris Cather
Ryan Cather
Jocelyn Cather
Ray WB3GNO