43 division

9 Element for 432 MHz - DF9CY 9 Element yagi antenna for 70 cm band

Double Quad Antenna - 435 MHz double quad antenna by F5WN

70cm 2 x 11 elements Cubical Quad - A group of 2x11 elements all grounded quad antenna for portable operation on 70cm. Included detailed pictures and measurements.

High Gain Yagis for 432 MHz - DJ9BV dubus article on two different type of high gain antennas for 432 MHz.

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

432 MHz Antenna Comparison Chart - Comparison of several UHF antennas by DF9CY

W3EDP and grounding - Discussion on W3EDP Antenna and grounding

High Performance Yagis for UHF VHF - High-Performance Yagis for 144, 222 and 432 MHz

South Oxfordshire Repeater Group - South oxfordshire repeater group (sorg) operates the 433 mhz amateur radio repeaters gb3di, gb3ox and gb3wo.

Southdown Amateur Radio Society - The Southdown Amateur Radio Society was established in 1967 and has now been running for 43 years

New York City Long Island Section - ARRL division New York

KD5SDJ Indian Territory Amateur Radio Society - small but dedicated group of radio operators who primarily operate on a simplex on a frequency of 147.435

P43E Aruba - Ham radio station in Aruba P43E

Fixing the LDG Z100 ATU - Repair LDF Z-100 toroid by VK4ADC

Troubleshooting Twin Malfunctioning MFJ-989C - Mfj-989c antenna tuner modification

10/12 meter Mod for Ameritron 811 - 10 meter modification for the Ameritron AL-811 and AL-811H amplifier. This mod apply to other Ameritron AL Series RF amplifiers and allow extension to 10 and 12 meters band.

eham.net TL-922A Reviews - Reviews of the Kenwood TL-922A Power amplifier

Cushcraft A3S/A743 Performance - Cushcraft A3S performances with the A743 kit to add 30 and 40 meters

Cushcraft A3S - A743 - About the Cushcraft A3S with A743 add-on for 30 an 40 meters

Yaesu VX-2 jumpers - This walkie is sold without the wide band receiver enabled, this is, only 144 and 432 MHz band

Radius Power - DC Filters - DC filters from radius power are specifically optimized for applications with DC supply like e.g. photovoltaic inverters. Radius Power provides total power solutions, EMI filters solutions from design to manufacturing, Three Phase, Single Phase, Power Line, IEC inlet, Power entry modules Filters.

MorseDec - MorseDec decodes and encodes Morse with a range of 5 to 50 wpm. It includes: auto-tracking for wpm speed, macros, spectrum analyzer. Easy to use but powerful.

Radio Beacon Controller - Radio Beacon Controller using an AT90S2343 with a block diagram of a Radio Beacon.

144/432MHz Homebrew Antenna Diplexers - VHF UHF diplexer by G8MNY

70 MHz transverter - The G8TTI 434 MHz to 70 MHz transverter with block diagramm