Calculate the required dimensions for a coaxial collinear antenna construction for any given frequency. com: Five Star Yagi Satellite HD TV 144MHz 2m Portable Yagi VHF Beam Antenna – M0UKD – …4 Element Quad - LRALBuild the 3 x 5 Elements 2m/70cm Dualband Yagi - DW1ZWSDesign of Yagi UDA Antenna - ElProCusAmazon. Cebik web site – requires registration (free) Commercial 2M 70cm Slim Jim – N9TAX. This easy to build dual band VHF/UHF antenna makes a great project for the new ham that is ready to get on the 2 meter and 70 centimeter amateur radio bands. When I had a real home with outdoor antennas I used to like grid hunting on 144Mhz SSB and CW. My father has run one using 100w on 2m with no problems. The wife has me moving furniture tomorrow. Definitive construction details can be found on. Alternatively, for permanent installations, the copper tube or aluminium J-pole is a good choice. ![]() ![]() ![]() That’s the the 1/4 wave ground plane antenna. Separate systems with nearly zero interaction between the two antennas. There are lots of SMA-RP … Figure 14: Compromise 2m/70cm Antenna Up in the Air for Testing. Ians mass produced this antenna during the VHF frenzy in the mid-80’s.
0 Comments
Leave a Reply. |