CM 2M VERTICAL DIPOLE WITH AIR-CORE COAX CHOKE CM Purpose: Demonstrate UHF CM suppression CM Antenna: 19.7-inch vertical dipole (2M resonant) @ 10 feet height CM Balun: Air-core RG-58 on 3.5" PVC, 8 turns CM Expected: Minimal ferrite loss at 145 MHz, clean vertical pattern CE CM Antenna geometry (2M vertical dipole, 19.7 inches total) GW 1 3 0.0 0.0 10.0 0.0 0.0 10.82 0.00191 GW 1 3 0.0 0.0 10.0 0.0 0.0 9.18 0.00191 GE 0 EK CM Frequency sweep: 145 MHz (2M) FR 0 1 0 0 145.0 1.0 CM Voltage source at feedpoint EX 0 1 5 0 1.0 0.0 CM Radiation pattern RP 1 91 91 1111 -90.0 0.0 1.0 1.0 EN