hf converter

W3FF Portable Dipole  ^pop - This is the antenna w3ff designed for his walking portable station. It is a dipole constructed out of the plastic plumbing pipe CPVC. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters

HF Home made Balun  ^pop - A balun is a device that is used at the feedpoint of a balanced antenna when an unbalanced feedline is desired to feed the antenna. Balun is a contraction for BALanced to UNbalanced.

M3FVB VHF 8db collinear  ^{updated  pop} - Build a 2m 8db collinear for portable use

Home Brew VHF UHF dual band antenna  ^pop - Contructing precedure and tune up of a dual band mobile antenna. This antenna is just a 1/4 wavelength resonator for both UHF and VHF band. It provides no GAIN as compared to other multi-section design.

ARRLWeb: The HF Mobile Antenna - Members only articles on HF mobile antennas, includes an interesting RV antenna with a 5 bands coverage, and another similar antenna for camper.

A $20 HF mobile antenna - A few hours of fun with PVC and wire and you’ve got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.

A two dollar helical hf portable antenna  ^pop - Here’s an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour

All HF Band Antennas - F6ITV consideration on HF Antennas, from trap wired anternnas, to center feed antennas.

The Copper Duckie Antenna - A super easy VHF antenna for apartment dwellers

Add 60 meters to butternut vertical antenna - The Butternut vertical is a great antenna in that it covers all HF bands from 160- though 10-meters (or 160-30 meters for the HF-2V) except 60-meters. This article describes three methods to add 60 meters to your Butternut vertical without losing any other bands.

IK-STIC 2 vertical multiband antenna - The IK-STIC 2 is a vertical, all band, antenna that is over 25 feet tall yet weighs under 5 pounds. Based on a telescopic pipe or a fiberglass fishing pole, using a tuner it can easily cover the amateur radio HF bands from 40 - 10 Meters

Amateur Radio Band Plan Layout  ^{updated  pop} - Excellent free downloadable band plans layouts ready to print in pdf format by C.Gustave Sandberg W1CGS

2E0BEJ Ben Sutton Priority listing - Blog discussing my Amateur Radio experiences including APRS, Fox Hunts, Construction, first steps into HF, etc

BAZ Spezialantennen - German antenna manufacturer for VHF UHF antennas, Quad-antennas, yagi-Antenna, LPDA-Antenna, W-Lan Antennas.

KØBG's ham radio mobile operator web site - This site is dedicated to mobile amateur radio operators, old and new alike. Whether you are into HF, or VHF operation, I trust the information presented will increase your enjoyment of our great hobby. With safety as a byword, there are articles on amplifiers, antennas, bonding, impedance matching, installing hardware, mobile equipment, noise and RFI abatement, wiring, and much more. I do my best to keep these articles up to date, and easy to follow.

Bicycle-Mobile antenna - WA5FRF VHF mobile antenna for bicycle installation

WA4DSY 56KB RF Modem - This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band

Turkey Repeater - Ham radio repeater in Turkey, UHF VHF Echolink directory of turkish repeaters

A VHF Operator's Guide - VHF bands introduction and operating guide by VE3VDC

FT-817 Accessories - Low (or zero) Cost Accessories for the FT-817 Portable QRP MF/HF/VHF/UHF Transceiver

W4ZT Modifications for the Kenwood TH-F6A - Extended transmit for TH-F6A and other mods

KD5PDP - Kenwood TH-F6A notes - Kenwood TH-F6A portable amateur radio transceiver notes

GI7B GI7BT Tubes - GI-7B and GI7BT Tubes for HAM Radio use (HF-VHF-UHF),linear amplifier builders

A cheap noise reducing speaker - Noise Reduction on the Cheap PDF File

Wavefront CompactPCI (CPCI) RF converter - The Wavefront CompactPCI (CPCI) RF converter provides a complete half-duplex radio front-end in an industry-standard 6U format. The architecture consists of dedicated receive and transmit channels that share a common RF interface.