plan 28mhz

Analysis of HF Monopoles - Analysis of several monopole antennas, the differences between a perfect and an imperfect ground and effects using a ground plane made of radials or counterpoises.

6 element 28 MHz LFA Yagi - Six elelemt yagi for ten meter band, designed with the very latest PSO computer optimisation engine.

A 6 element OWA Yagi for 28MHz Priority listing - This is a high-gain, wideband OWA Optimised Wideband Array Yagi which covers the 10m band with an SWR of less than1.1:1 from 28-28.900MHz.

20m 3-Element Yagi Plans  ^updated - Plans for building your own 3-element beam for use on 20m at DX Engineering

146MHz 5/8 Ground Plane Antenna - 146MHz 5/8 ground plane tower mounted antenna. The antenna was largely based information and analysis provided by the RSGB's. VHF UHF Manual, fourth edition by G.R.Jessop, G6JP

2M Moxon antenna - A moxon anetenna plan for 144 MHz

Ground Plane Antenna for 70 cm - It is easy to homebrew this quarter wave ground plane antenna for 70cm.

Ground Plane for 70 cm - A quarter wave ground plane for 70 cm

Aerial Calculations - G4URH calculations to design your own antennas, ground plane, half wave antennas, Quad Antennas and 5/8 verticals

10 M Moxon Antenna Plan  ^updated - A moxon antenna for 28 MHz

2 Meter Turnstile Antenna - Here are construction plans of a Turnstile antenna that I use for space communication on the 2 meter amateur radio band.

Double Quad ATV antenna - A 13 and 23 cm double Quad antenna plan and pictures for ATV

The W4INF Multiband Vertical - HF antenna for any band you desire, you build yourself. Is a basig ground plane antenna

Ground Plane Verticals - Ground Plane antennas and common mode

Build Windom Antennas - This article by EA4FSI explain how to plan and build your own windom antenna

ZD7XF St Helena - Nigel G3TXF plans to operate as ZD7XF on CW from St Helena between 22 June and 30 June.

7Q7MH - Explorer Scouts from Scotland will construct new facilities at the Makwawa National Scout Camp in Malawi in July 2011 plan to operate on 14, 18, 21, 28 and, possibly, 50 MHz.

70 MHz bandplan - The long range bandplan for 70 MHz by OZ2M

Plano Amateur Radio Klub - Plano Amateur Radio Klub

Dart Antennas - Plans and parts to design and build your own antennas at reasonable prices.

Southeast Ohio APRS Development - Collection of overview, technical and planning mterials related to the ongoing development of APRS services in and around Athens County, Ohio USA

Cloud RF - Web VHF/UHF planning  ^updated - Web based VHF-UHF RF planning powered by SPLAT! and Google Maps. Access via website, Android App or dynamic Google Earth interface.

Cloud RF for Android - SPLAT! VHF-UHF planning on Android

Spectral Analysis of a CW keying pulse - Key clicks mathematical explanation by W9CF

UHF on a VHF Rig - This circuit enables fair copy of strong 444 MHz signals, off a local repeater, using a 2m rig and a 1/4λ 70 cm indoor ground plane antenna.