Build it: 2 meter 1/4 wave ground plane antenna - KB9VBR Antennas
Ground plane antenna - Amateur radio - BasicTables
1/4 Wave Ground Plane Antenna Calculator – M0UKD – Amateur Radio Blog
File:Ground plane antenna diagram.svg - Wikimedia Commons
1/4 Wave Ground Plane Antenna Calculator – M0UKD – Amateur Radio Blog
146MHz Ground Plane
2M 1/4 Wave Ground Plane Antenna – KM4NMP
1/4 Wave Ground Plane Antenna Calculator – M0UKD – Amateur Radio Blog
1/4 Wave Ground Plane Antenna Calculator – M0UKD – Amateur Radio Blog
Building a Quarter-Wave Ground Plane Antenna
1/4 Wave Ground Plane Antenna Calculator – M0UKD – Amateur Radio Blog
Ground Plane Antenna Calculator - Resource Detail - The DXZone.com
Online Calculator .:. Lambda/4 Groundplane
Quarter Wave GP Antenna Calculator - Resource Detail - The DXZone.com
Portable Testing With My Homebrew 1/4 Wave Ground Plane Antenna! - YouTube
Vertical Antenna Calculator
146MHz Ground Plane
1/4 Wave Ground Plane Antenna Calculator – M0UKD – Amateur Radio Blog
Very simple homemade outdoor 868Mhz antenna (groundplane) - Gateways - The Things Network
Quarter Wave Antenna Design Calculator
Nicolas Medalla – Ham Radio Cebu, Inc
5/8 Vertical Ground Plane antenna for 10 meters - IW5EDI Simone - Ham-Radio
HX1 APRS Transmitter Hookup Guide - SparkFun Learn
Antenna Design Calculators
