My 10 GHz Activity, W2UHI

QRV ON 10GHz BEGINNING JULY 22 1999

Station description

. .

SSB 10GHz transverter to 144MHz--DEM 144MHz to 28MHz transverter Local Oscillator is California Microwave phase locked Brick A 4 step sequencer takes care of all the switching functions Located in basement crawl space near base of tower 3 feet from house.

   
.Remote Electronics .

Power amplifier--Thompson TWTA running 20Watts output

   
WG air conditioning unit

Transmission line-Andrew's EW90 pressurized with tuneable connectors

   
.Ant onTower .

Antenna mounted at the 95 foot level, rotates 90 deg to 265 deg.

   
   

Kenwood TS570S exciter/tuneable IF receiver, located in shack along with TX/RX switch, RF power output monitoring, power on/off, etc.

   
LNA,WG transfer sw, feed assy.

First performance Measurements

   
10GHz Antenna closeup

1 Meter Dish, 0.4 f/D, KU LNA modified 0.7 dB nf.

   
Remote controlled TX/RX Electronics

Cold sky to ground=4.3 dB

   

Sun noise (SF@125)=5.4 dB

   
   

ACTIVITY TO DATE AUGUST 8 1999

Stations worked:
1. W9ZIH Malta Illinois 180 miles
2. K9UIF Hobart Indiana 142 miles
3. K3SIW Elgin Illinois 152 miles
4. WA9CGZ Peotone Illinois 168 miles
5. WB9SNR/m Arlington Heights Illinois 132 miles
6. WW8M Grass Lake Michigan 123 miles
7. KB9TAU/m Polo Illinois 205 miles
8. WB9SNR/m Clinton Iowa 240 miles
9. WB9SNR/m Wisconsin 144 miles

10.WA8WZG Sandusky Ohio 204 miles

11. K8EB Walker MI 21 miles

12. K2AXX Geneseo NY 418 miles

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