Super Antenna MP1DXG HF Portable Antenna with Ground Mount ham Radio Amateur Backpacking. €239.52 263 Walsall Road, Great Wyrley, Walsall, WS6 6DL Established 1997. Open Monday - Friday 9am - 5pm and Saturday 9.30am - 4pm Tel: 01922 414 796 Fax: 01922 417829 Skype: radioworld_uk DESCRIPTION NEW: Ground mounting package of the MP1 Super. Ground tuning unit for HF vertical antennas 8,786 views May 25, 2019 190 Dislike Share Amateur Radio VK3YE 19.9K subscribers Describing a ground tuning unit. A useful accessory if using. 4017 Tactical HF ATU base antenna - P/N 4017-00-01. The Barrett 4017 is a compact base antenna solution for installations in areas with space limitations where normal wire broadband antennas are not practical. - Full Coverage from 2~30MHz. - Omni directional Radiation, Can be installed on wide range of masts & poles.