windom 40

End-Fed Half-Wave Antenna & Tuner - VK2ZAY end-fed antenna for 40 and 80 meter band

3 Elements 40m full size U Antenna - 40 m three elements U antenna at 25m hight.

A 4:1 Air-wound Balun - 40mm diameter grey PVC pipe with a length of 9.5cm

Delta Loop antenna - This DeltaLoop antenna has a length of 125 meters, divided into three sides of 40, 42 and 43 meters.

Horizontal dipoles - This article describes the characteristics of an horizontal dipole and shows the results of several simulations made with MMANA-GAL, covering models for the 20 m, 40 m and 80 m bands.

80m / 40m Dipole - Build instructions for the 80-40 dipole antenna including Ugly Balun 40m trap and 80m Dipole

The CE0Y 7 m Triple Leg - The supporting structure is a 15-m-glassfibre mast of DX-Wire. The antenna can be used on all bands from 10 to 40 m.

How change a shaft on a Steppir Dipole - PE2MC show how to change a shaft on a 30/40 meters Steppir Dipole antenna with pictures and instructions

160 through UHF rotating tower system - This is the 195-foot tall rotating Rohn 55G tower at W8JI with yagis for 40 20 15 and 6 meter bands.

Home Brew a 80 40 meter Vertical antenna - YF1AR 80 to 40 meter vertical antenna project

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

70 MHz 8 elements Yagi - YU7EF 8 elements yagi antenna for 4 meters band

ARRL DX Contest 2011 - W/VE amateurs work as many amateur stations in as many DXCC countries of the world as possible on 160, 80, 40, 20, 15, and 10 meter bands. Foreign amateurs (also including KH6, KL7, CY9, and CYØ) work as many W/VE stations in as many of the 48 contiguous states and provinces as possible.

ZA/F4DTO - F4DTO/ZA and F4GFE/ZA Albania 2 to 16 April 2011 40m to 10m

Denby Dale Amateur Radio Club - Founded nearly 40 years ago at the Pie Hall, Denby Dale, a village famous since 1788 for giant pies.

Barry Amateur Radio Society - Formed over 40 years ago in Barry at the Barry College of Further Education

Jones county Live feed - Jones county sherriffs dept. Mississippi USA

WebSDR from Slovenia - A WebSDR receiver located in Novo mesto, Slovenia, qth JN75NT operating 40 and 80 meters bands

AO-40 VHF Converter - 144 MHZ to 28 MHZ 2nd Down-Converter for AO-40 Sat

409 Shop - 409 Shop is an Ham Radio and electronics online shop based on Hong Kong deliver worldwide. Ham Radio transceivers, batteries, swr meters, antennas and other ham radio accessories

40 meters QRP CW RTX Priority listing - This is the schematic of asolid-state 7 MHz QRP CW transmitter by VU2NAN

Bartling RX-40 Receiver - Circuit Diagram and Construction of the Bartling RX-40 Joachim Münch DF4ZS

A Simple Receiver - the DC40 - A beginner's direct conversion receiver

WB5RVZ Genesis Radio G40 - WB5RVZ Genesis radio G40 build experience

Build Softrock 40/80M SDR - HF on a budget. Assembling a Softrock Software Defined Radio