hf range

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

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

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

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

DF6NA : VHF Audio Examples - Sporadic E, meteor scatter, 70cm 23cm and 10Ghz audio recordings in various modes

Beacon Audio Examples - VHF Beacons audio recordings

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

A low power 3.5MHz ARDF transmitter - This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.

ARDF in Norway - The LA ARDF is the Norwegian Radio orienteering association, and our main activity is radio orienteering. We arrange regular competitions every week from the middle of April to late September.

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

ICOM IC-706 mark IIG - IC706 Specifications by universal radio inc

Icom IC-706 Radio mods db  ^pop - Info and mods for IC-706, IC-706 Expanded frequency IC706 - spare 0.3A, MARS/CAP Modification for ICOM IC-706, enables out-of-band transmit for 1.6 MHz to 54 MHz, ore sensitive transmit for 2 meter IC-706 60 MHz to 200 MHz band pass filter, Icom IC-706 Extended RX mod, ICOM 706 MKII Extended transmit mod, Special on IC706mkII TX range expansion for IC-706MKIIG, Expand only mod for the IC-706MkII

Reviews of the ICOM 706 Mk II G - Rick/N4ASX review, How good is the ICOM IC-706 MKIIG on VHF/UHF? by KG4QWC, Mobile HF installation and operation by Harry/N4CWP

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

Strong signals - Yaesu VX-5R - Yaesu vx-5r vhf/uhf transceiver specifications

Yaesu VX-5R docs - Some unarranged docs about yaesu VX-5R, including EVE software.

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

HF Rigs db comparison - XLS file with technical specifications about ham radio transceivers