Brendan Quest QSO przez atlantyk w pasmie 2m |
Antenna: yagi, with 43 horizontal elements: 1 reflector, 1 driven element, 41 directors, suspended and aligned on two strands of Kevlar cord 60 cm apart. Lenth: 30 meters (reflector to director #41) Height: 6 to 8.5 meters above ground (ground slopes towards ocean). Uses taller, non-metallic front support. Antenna is horizontally polarized. Azimuth Bearing: 62 degrees (centered on Ireland) Feedpoint Z: 50 ohms, ferrite 5 choke balun SWR: 1.15 Forward Gain: 23.9 dBd Front to Back Ratio: 32dB Front to Side Ratio: 25 dB (270°) Horizontal Main Lope Width: 15.6° at -3db points Vertical Main Lobe Thickness: 4.6° at -3db points. |