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This page describes a simple way to determine the main RF characteristics of a Wifi (IEEE802.11b/g wireless LAN) antenna.

W3DZZ trapped multi-band antenna, exposed in this practical wireless article

Article published on Practical Wireless about the W3DZZ multiband trapped dipole antenna made available by GM0ONX

The Homebase-10 is a wire halo antenna for 10m built with DIY store parts, effective despite its small size. Includes a dual-band version for 10m and 6m with gain around 0 to -2dBd, near omnidirectional pattern, and horizontal polarization. Overview based on a 2008 Practical Wireless article.

The author reflects on expanding their antenna for 80m coverage during lockdown. They extend the End Fed Half Wave (EFHW) using a Spiderbeam pole and "cheating" by dog-legging across their garden. Despite challenges, they achieve coverage for multiple bands with minimal cost. Practical Wireless features EFHW antennas, including a pre-made 20m EFHW extended for 40m.

About LoRa, wireless communication technology designed to transmit data over long distances. LoRa provides a means for wireless data transmission over long distances with low power consumption. Practical applications of LoRa in amateur radio

Practical Wireless is a doing magazine focusing on the practical and constructional side of amateur radio and appeals to all ages. Written by expert authors and contributors, Practical Wireless reflects developments in the technology, participants, activities and licensing framework of the hobby.