Homebrew 2m 144 MHz vertical 1/2 wave Coaxial Dipole antenna for QTH, SOTA & portable field operations/WICEN exercises. Materials: 7m length of 50 ohm RG58AU/CU Mil Spec coax 1 * 50 ohm BNC connector 2 * 1 metre lengths of 27 mm water pipe (Bunnings) 1 * End Cap 2 * T-piece connectors 1 *…
A correspondent has asked about the tripod mounting arrangement I use for the Arrow dual band 70cm/2m Yagi. Photos: © Copyright 2016 Andrew VK1AD The SLIK F153 aluminum lightweight tripod is designed to support a camera, however when I spotted the tripod in a local camera store, I immediately visualised a lightweight VHF/UHF Yagi, suitable…
Credits to John VK2ZOI. John’s site is http://vk2zoi.com/articles/half-wave-flower-pot/ Post updates: 9 January 2016. Today from a SOTA peak (Yellow Rabbit Hill) 40 km west of Canberra using this antenna during a sporadic E opening, I worked ZL1SSW (2343 km) on 6m 50.130 MHz. My SOTA rig is a Yaesu FT-857D operating at 25 watts. 10…
2m Slim Jim portable antenna for SOTA activations The 2m band offers a range of voice and digital transmission modes suitable for SOTA activations. My personal preference is SSB 144.200 MHz however this choice may exclude new-comers to amateur radio, who may be building their war-chest of radio gear. Almost all amateur radio operators have…
