70 cm preamp

A 5 element beam for 10 meter band - Here is a very simple 5 element covering the entire 10 meter band (28.000-29.700) with a swr of less than 1.4 at the band edges

Trapped dipole for 40-80-160 meters  ^pop - Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX

70MHz-Yagis - Various Yagi antennas for 70 Mhz band

Vertical half-wave aerials for 4m - Practical designs pictures and alternative design of antennas for 70 Mhz by Ross Wilkinson G0WJR

70cm yagi antennas - Pictures and plans to build 70 cm yagi antennas

70cm Longyagis - 70cm-Longyagis in 28Ohm-DK7ZB-Design

A two band halo for VHF Mobile - 50 and 144 Mhz with a single mobile antenna system

ZS6BKW variant of the G5RV - The ZS6BKW variant of the G5RV claims to offer multi-band coverage without the need for a tuner. This article looks at whether or not these claims are valid in a real life installation.

York Radio Club - Serving The Interests Of Amateur Radio For Over 70 Years

CQ Serenade Song - CQ Serenade was composed sometime between 1965 and 1970 by Maurice Durieux, VE2QS.

Lunar-Link Amplifiers - Complete 70 cm amp by lunar link systems

Coastal ChipWorks - Amateur Radio Products From John Hansen, W2FS, Kenwood D700 Keyboard Interface, Expandable TNC with an Optional, remote controls for ICOM radios, frequency keypads for yaesu and icom radios

TNC-X - TNC-X - The Expandable TNC A new Terminal Node Controller (kit) design based on the Chepponis/Karn KISS protocol. It is implemented using a Microchip PIC 16F628A microcontroller, a CML MX614 Bell 202 modem chip, an 8K Ramtron FRAM

Gateway Electronics - Amateur radio kits, cw keyers, vhf mini receivers, 2 meter preamplifier and more audio related kits, based in St. louis, Mo and San diego, ca USA

6m technical docuemnts - A collection of scanned diagrams and designs, documents and modifications for 50 Mhz ham radio equipment

Hourly STD Solar and Geophysical Report - Boulder K-Indices, Planetary K-Indices, 10.7 cm solar radio flux updated every 30 minutes by Canada's Space Weather center

BEIJING ELJVT - Sell the China made electron tubes over a long period of time, the vacuum tubes/electron valves/Power tubes/Audio Tubes/Thyratrons/Magnetrons and accessories, the tube sockets, the vacuum capacitors, high voltage ceramic capacitors, aluminum electrolytic capacitor.

BCmap - This program shows a polar-projection map of the northern part of Region 2 (Western hemisphere) with the patterns of all AM radio stations in Canada, the United States, Mexico and Cuba, on a specified frequency, with the map centered on a user-specified "home" location.

abc Morse Code for Palm - Palm OS Morse code tutor. Farnsworth support, Flashing backlight support, HUGE font in random free run mode, a cool scrolly bar when listening to QSOs, a handy Morse-to-text-and-back translator / converter, built-in Q code quiz, For Palm OS 3.5 or higher

OpenBCM - The BayCom-Mailbox is an amateur radio/citizen band AX.25 Bulletin Board System with AX.25 store and forward capabilities. The software is available for Linux, DOS and Win-NT. OpenBCM is opensource and freeware.

IK5MEN HF amplifier 10-160m. - Italian page including pictures schematics diagrams of an home made linear amplifier using four EL509 in parallel. Output power is about 700W.

KD5FZX 23 CM GS-15B PA - GS23B / 4CX1600U 1KW Power amplifier for 23cm

13cm RF Amplifier - This amplifier uses two 60w Spectrian amplifier boards with the usual input and output hybrid coupler and combiner.

The 50MHz Assistant - Preamp & Power Amp By Alkberto, I0XGR

KI0LE Amplifiers and Preamps - Picture gallery of vhf uhf amplifiers