Amazon.com: KM4HLF Vertical Ground Plane Antenna for The 2 Meter Band 144 to 148Mhz : Electronics
Amazon.co.jp: HYS-FB22UV 144/430 MHz Band Transmitting and Receiving, Ground Plane Antenna, Dual Band, GP Antenna, 3 Divided Type, Fiberglass, Total Length 86.6 inches (220 cm), Fixed Station Antenna, High Gain, 2 Band,