2m calculator

Slim Jim Antenna - Slim Jim 2 meter omni directional vertical antenna

Quadrifilar Helix Antenna - Quadrifilar Helix Antenna for the 2m band. Using cooper pipe and PVC pipes by KI6YRD

20 elements 432MHz LFA Yagi Priority listing - A0 element super low-noise simple to build Yagi for 70cms. Uses 1/4 inch and 12 inch tube/rod

26 elelements 432MHz LFA Yagi - 26 elements 70cms Yagi for EME ultra low noise excellent G/T figure. Easy self build

30 el 432MHz LFA Yagi Priority listing - 30 elements 432MHz LFA Yagi over 44dB F/B and almost 21dBi forward gain. Easy build, no match required.

Double Quad For VHF UHF - Double quad wire antenna for the 2m and 70cm band. Each of the two squares is the size of a wavelength by DF7DJ

Duoband DK7ZB-Yagis 2m and 70cm - These Yagis cover the range of 144-146MHz on 2m and 430-440MHz on 70cm. They can be used for alle modes (FM and SSB/CW). On both bands the SWR is good across the whole band.

The Optimum 6 Element Yagi-Antenna - A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on Antennas and Propagation

432 MHz Antenna comparison chart - An extensive comparison chart for 70 cm antenna designs elaborated by DF9CY

Six Meters Beacons Calculator - The six meter beacons calculator for distance and azimuth by OE1SMC

T32VI T32MI T32CI T32SI - Online Log and dx info for Southern Line Islands DXpedition 2010

History of Ham Radio in India - Taken from: Brief History of Amateur Radio in Calcutta-by Avinash Missra, VU2EM

Mecca Industry Co. Towers - Crank-up(telescopic) and tilt-over tower, Ring rotator for mounting an extra antenna, from 16m to 42m, Strong safe and smooth, Radio communication and commercial tower.

Great Circle Distance Calculator - This online calculator computes the great circle distance between two points on the earth's surface

ATV 432 MHz transmitter - ATV 432 MHz AM transmitter schematic

2M Programmable Fox-Or Transmitter - The 2 metre fox-or transmitter is a small low power transmitter which mounts in a small plasic pipe and runs off two AA batteries. The board measures just 12mm by 70mm.

A 2.3GHz to 432MHz receiver converter - Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver

Yaesu FT-1802 2-meter Transceiver - Review of Yaesu FT-1802M Two-meter Mobile FM Transceiver by N4KC

Coil Inductance Calculator - Approximate Air Coil Inductance Calculator

2m and 6m Power Amp - Duoband PA for 6m and 2m by T92T abd YU1AW schematic

VHF Power amplifier for 6m and 2m - YU1AW power amplifier schematic for 50 MHz and 144 MHz made with 1xGI7V

2m GU-78b 4 kW Amplifier - 4 kW rf power amplifier for 2 meters band using GU78B / 4CX2500 by LZ2US

Capacitor kVAr calculator  ^updated - Online calculator to determine the Capacitor kVAr required to improve the power factor from cos 01 to cos 02 with your present kW load

Coax Cable Loss and Antenna Gain Calculator - Types of coax cable and line loss calculator, online coax-cable loss / antenna gain calculator

2M to 10M receive converter - EI9GQ 144 to 28 MHz converter