220 mhz mobile

3 Element Antenna for 28 Mhz  ^pop - The DF9CY three-element antenna for 28 MHz by Christoph Petermann DF9CY

50 MHz Antennas by DF9CY (4 & 6 Element)  ^pop - Two well performing 50 MHz antennas designed with W7EL EZNEC along to many other antenna projects and related articles

G8VR a small Yagi for 50 MHz - Complete plans and drawings to build a Yagi for six meter band by Ken Willis, G8VR

14CPI080-DT263 Christophe - personal page

WJ5O Beacon - TX on 28.289MHz since 1992

F5TMJ's web pages - Description of the F5TMJ/B beacon on 28.243 mhz. Pictures and propagation experiments. 6 meters repeaters listing.

N6UN Beacon - San Diego Beacon 28.290 Mhz

National International Doublers Net - 7.278.6 MHz USA Canada and Mexico

PSK31 Web Receiver - These web receiver based in Kiew Ukraine show PSK31 activity on 20m band 14.070-14.074 MHz remotely by using a web browser. Requires java by the MixW team

WinLink 2000 - WinLink 2000 employs Stations World-wide to provide an HF/VHF/UHF digital radio Interface into the Internet Email system for the mobile radio operator. Features include binary and graphic file attachments, APRS position reporting and over 340 downloadable WX products. The mode used is Pactor I and Pactor II.

DaveMade  ^pop - 25-30 MHz base and mobile amplifiers

Hamstick - Lakeview antennas, manufacturer of mobile antennas and accessories by WD4BUM, including colinear antennas, dual band, mounts and accessories. Maker of popular HamStick antennas.

Larsen Antenna - Complete selection of portable, mobile and base station antennas in frequencies from 27 MHz to 5.8 GHz. Radiall/Larsen also has a strong presence in custom OEM development. Radiall/Larsen Antenna Technologies is a subsidiary of Radiall.

Nil-Jon Antennas - Performance Compact Antennas VHF/UHF mobile and base for ham, business, landmobile, police, fire, satellite, APRS, simplex, repeater, TV, FM, scanner or monitoring use.

Adaptive Broadband Corporation - Point-to-point fixed and mobile microwave radios for television and other broadcast requirements

Mobile Amateur Radio Awards Club - MARAC was organized in 1970 as a Kansas Nonprofit Corporation, as a support group for county hunting and mobile activity

KG4YZY / N4SCF Repeater System - Information and a photo album of the KG4YZY 146.760mhz and N4SCF 442.650mhz repeaters in New Port Richey, FL. System is linked 24/7 into the NI4CE regional system. Online streaming & echolink online.

Satellite Frequency list - Satellite frequency list from 3 to 8475 Mhz

LA5MDA Yaesu FT-2000 review - Yaesu FT-2000 HF & 50 MHz transceiver review by LA5MDA

IIX Equipment Limited - Tower mounts, mobile vehicle radio mounts

VHF-DX - VHF-DX for Win95/98 is a VHF/UHF Logging Program specifically designed for 50MHz and above operation.

TH-D7 control program - This software allows you to control TH-D7 radio functions in real time, using a windows interface. This software will graph current activity of any 4mhz range, allowing the user to mouse click any active portion - automatically changing the radios frequency.

432 MHz EME PreAmplifier - 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY

Lowpass filter for 5MHz - The following lowpass filter was built using the tables in the arrl manual, it is a 5 section one and seems to work ok

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY