Series Matching Calculator Report (Sat Dec 13 13:56:57 2014) Frequency = 145 MHz Transmission Line #1 (Z1) specification: Transmission line = RG-58A (8259). Impedance = 50 ohms. Velocity Factor = 66%. Transmission Line #2 (Z2) specification: Transmission line = Twin lead (300 ohm). Impedance = 300 ohms. Velocity Factor = 82%. Load resistance = 300 ohms. Load reactance = 0 ohms. Calculated L1 and L2 lengths: L1 = 0.255 feet (0.078 meters) [20.483 degrees (0.057 wavelengths)]. L2 = 0.317 feet (0.097 meters) [20.483 degrees (0.057 wavelengths)].