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March '07 

Climate change, constant results ...

The March - Contest report 2007 (by DB5SB) :

The weather forecast for the contest weekend was not clear. Some forecasters announced storm with heavy rain and temperatures about 2-5°C. Others announced snowfall.

The vans were loaded on Friday and at 14:00 (CET) we started in Gotha to our winter contest HQ, the Wetzstein. We arrived around 16:00 in the afternoon. Olli (DL2ARD) and Frank (DL1WA) were already on site and finished the installation of the 70cm antennas.

We unloaded the vans and started with the installation of the microwave equipment. We wanted to install as much antennas and transverters before dawn as possible. The sky was cloudy and it was kind of windy and sometimes really gusty on the tower.



Oliver and I (DB5SB) started to install the 23cm antenna and the new 200W PA on the first mast on top of the tower while Harti (DL6AUI) and Frank (DL2ALF) installed the transceivers in the microwave shack and set up the contest WLAN for the first tests with our new contest software. After some configuration issues the software ran smoothly and the voice and CW keyers were set up.

    

After dawn we tried to set up the shacks and went to bed at 1:00.

At 7:00 in the morning Harti waked up the crew for some energy spending breakfast with “DL1WA -Special-Coffee (black oil)”. The weather was gusty with a mixture of snow and rain. We continued setting up our equipment. The antenna masts for 2m were installed, the PA and shacks for 2m and 70cm were set up and we continued to mount the microwave antennas on the tower which took several hours even because of the bad weather.

We decided to put the microwave antennas on the tower this year because of the additional 15m height over ground we gained. At 14:00 (CET) everything was set up and running.

At 16:00 Detlef (DL3ALI) told us that he hears us on 3cm with a very strong signal but we weren’t able to hear anything. The receiver part of our new 25W transverter seems to have a problem. We decided to replace it with the “old” 5W equipment we luckily took there for backup reasons. At 16:45 3cm was QRV again (with “QRP”).

The contest itself provided us some really good results. Unfortunately the weather on Sunday changed during the course of the morning. As we got up at 7:00 it was a sunny day, temperatures around 0°C and about 3cm of snow which felt down during the night. At 8:00 some strong fog was coming up and the SHF-Crew couldn’t get as much QSO’s as expected.


Roland (DK4RC) tried to get one QSO with his new 76GHz equipment, but the fog was too dense.

At 14:00 we started deinstalling and unmounting the microwave equipment while the sun came out and provided us a nice and warm afternoon. While demounting a stunt pilot showed some really spectacular stunts with his aircraft in the sky near our contest location.

At 17:30 we finished loading the vans, took the obligatory team photo and we took our ways home.


Some claimed scores :

Band QSOs ODX Call ODX Loc ODX km
144MHz 775 G5B IO92 840
432MHz 294 9A3B JN95 741
1.2GHz 125 HB9AOF JN36 623
2.3GHz 51 PI4Z JO11 544
3.4GHz 15 DL1SUN JO53 348
5.6GHz 10 OK2RKB JN89 400
10GHz 20 OE5VRL/5 JN78 302
24GHz 5 OK1AIY/P JO60 106
47GHz 4 OK1AIY/P JO60 106


We hope for good results now and hope to cuagn in May.