50 mhz maps

Tenna Dipper Kit - The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM

2 Meter 10 Element Quagi Antenna - This antenna was designed by N6JSX Kuby for Transmitter hiding. Fitting the requirements of directionality, high gain, and portability. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use.

6elements 6.4 Mtr 50MHz LFA - A Compact 6el 6M Yagi with over 32dB F/B and more than 11.6dB Gain!

Hairpin match for the 5 elements Tonna for 6 meter - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db!

8-Element 430 MHz Quagi - Picture and notes of a 8 elements Quagi antenna for 432 Mhz b Paul Bock, K4MSG

W3LPL on Beverages - Frank Donavan, W3LPL , discusses beverages on the CQ-Contest reflector. This is a reprint of Frank's message.

Antenna Transmission Line Power Splitters - Several ways of splitting power to feed two like (50 ohm terminal impedance) antennas.

How To Build A Stacking Harness - How to build a home brew coax harness for co-phasing and/or stacking 2 50 Ohm antennas, includes a table with velocity factor of common coaxial cables

HF Log Periodic antenna - Plan for a log periodic antenna for the 14Mhz-30Mhz by F6DOP in french

An automatically tuned 7-30MHz mobile antenna - This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.

408 Mhz Quagi Antenna - PDF file on building the SARA 408 Mhz Quagi antenna

HB9AFO: antenne Quagi - Two quagi antenna plans for 432 and 144 Mhz, includes dimensions for a 1200 Mhz antenna. In french

A homebrew 10-element 900 MHz quagi - A 10 elements quagi antenna for 900 mhz

K0KP 10 Meter QRPp Beacon - Homebrew K0KP 500 Milliwatt Ten Meter Beacon. The beacon is located at the K0KP shack in Fredenberg, Minnesota, USA at Maidenhead grid square EN36VW

WB9KMO Ham Radio Video Library - The Ham Radio Video Library is a continuous loop of several ham radio-related video clips. The current clips are Monroe School ISS Contact (15 minutes), DARPA Grand Challenge - Ghostrider (5 minutes), DARPA Grand Challenge - Stanley Wins! (5 minutes), JOTA - Jamboree On The Air (15 minutes) and SBARC Tesla Presentation (50 minutes) - times are approximate

DO2NBS Live Streaming Video - German Amateur-Radio-Station DO2NBS Germany-Bavaria-Coburg

ON0MTV Streaming ATV - Live ATV video streamning 1255 Mhz

GB3LO Lowestoft amateur radio repeaters - GB3LO Live Lowestoft and the East Coasts Amateur Television Repeater on 23cm 1316.00 MHz

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.

W6AMT Grid Maps - Maidenhead grid maps for VHF/UHF, These maps make excellent wallpaper for your contest setup.

PA2P Map WW-locator - Google Maps utility map by PA2P, with WW-locator and lat/lon. A Google Maps mash-up, also using the code of F6FVY, but with extra options.

WSJT - WSJT is a computer program for VHF/UHF communication dedicated to EME. Support FSK441 for meteor scatter, JT65: for EME and extreme troposcatter, JT6M: for meteor scatter (optimized for 50 MHz)EME Echo: for measuring your own echoes from the Moon, CW: for EME QSOs using 15 WPM Morse code

WBCQ The Planet - This summer, WBCQ is running The Voice of the M/S Katie, live radio broadcasts originating from our radio ship the M/S Katie in Boston, Massachusetts. WBCQ broadcasts 50,000 watts on each of its four international shortwave transmitters on 5.110, 7.415, 9.330 and 18.910 MHz

144Mhz preamplifier - A preamplifier project based on Rainer DJ9BV project, in french

Television channel 11 interference. - Solving interference from television channel 11 on 144MHz transverters by Chris Cox, NĜUK, G4JEC