Yagi antennas stacked together, it will be installed on TV Tower at 70m AGL (180m ASL). One antenna has 7dBd gain with wide radiation angle and small F/B ~10dB.
2x 7el DK7ZB 144MHz in the II IARU Test 2008 3rd Place in the Poland Single Operator with 25W out and 2x7el
8el Yagi DK7ZB 144MHz 12dBd
8el DK7ZB Yagi
my first Yagi from DK7ZB broadband 6el Yagi DK7ZB 144MHz
My new 10el DK7ZB Yagi 144MHz antenna. I made this antenna in 5hours!. SWR about 1.3. Gain 13dBd. Boom lenght 6m. It seems that it is very good antenna = 1st place in SO from Poland in III IARU Test '08 with 25W power out at 140m ASL hill in JO82KL.
3 times 7 elements DK7ZB Yagi stacked verticaly mounted on 10m steel telescopic mast, gain about 15dBd I think.
SQ3LVD after hard work with lift up the antenna system
Listen to the DM0HVL, OZ4UHF, SR2VHM beacons before contest - antennas works good :)
vertical stacking distance cca. 3 meters between antennas.
