linear hf

G4CQM Homebrew VHF Yagi antennas  ^pop - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis

Antennas for HF mobile operation  ^{updated  pop} - The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz

Freeland - Vacuum tubes, power grid tubes, rebuilt vacuum tubes, rebuilt transmitter tubes, rebuilt uhf klystrons, rebuilt cermolox types, rebuilt eimac types, rebuilt thomson types

French Beacons  ^updated - Les balises francaises, french beacons and world wide vhf uhf shf and decametric beacon.

Chiltern DX Club - The aim of the club is to promote HF operating in Amateur Radio and to encourage excellence, particularly in DXing and contest operating. We approach this through mutual assistance, by the support of DXpeditions, by the issuing of achievement awards and by whatever other means are deemed to be appropriate.

IARU Region 1 HF band plan - Band Plan for HF Bands by IARU Region 1, effective march 2009.

MF and HF Amateur Radio Band Charts - Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK

PA2MZ Marten - A site of one of the yuongest HAM op. with a HF license

Yahoo! Groups : VHF_UHF_homebrew - Vhf and UHF homebrewers of hardware and antennas. Find help, idea, or someone with just the same interest as you.

Mobat Communications - HF-SSB radio products Accessories, Amplifiers and Antennas tuners. Established in 1995 as a joint venture between Motorola's Land Mobile Product Sector and Bartal Electronic Enclosures Ltd.

WJ Communications Inc. - Watkins-Johnson - WJ HF-1000 Receiver

Tokyo HY-Power  ^pop - RF Aplifiers and accessories. Solid State RF Linear Amplifier Engineering and Antenna Tuners

Weak Signal VHF by Tim Marek - K7XC - A complete guide to operating the weak signal modes on VHF/UHF/Microwaves. VHF Contesting honor role for the western states, rover, eme basics and vhf contesting.

An HF Packet Tuning Indicator - This article describes the use of a PSK31 soundcard program's "waterfall" display as great tuning indicator for any HF packet TNC

VHF AM Operation - Notes on operating VHF in AM

Australian National VHF DX Group - ANVDG - Australian National VHF DX Group

KN4LF LF/MF/HF Radio Propagation Theory Notes - Layman level explanations of "seemingly" mysterious LF MF and HF propagation occurrences.

Comtrek - Comtek service ICOM radios. We service most ICOM equipment from HF to UHF

Sandys CB Shoppe - Sandy's CB Shoppe. We sell CB's, VHF radios, and CB accessories, service and install CB / VHF radios, Affordable custom electronics design

Spy Numbers Stations - N2UHC's Radio Stuff - Spy numbers stations are stations on HF that transmit messages consisting of groups of numbers. Sometimes letter groups are sent instead

ADDX Schedule - Search for schedule of radio programs by selecting the language

HFCC Public Data - Operational Schedule, available for free download

CyberDX-CW - CyberDX-CW is a software simulation of an amateur radio station monitoring the world. Generates a simulated radio environment, where the operator can tune all of the HF bands and actually hear computer generated station activity

Icom 706MKIIG mod of internal fan on rx - Unlike the old Icom 706, the 706 MKIIG HF/VHF/UHF multi-mode ham radio transceiver do not keep its internal blower running all the time in receive mode.

Yahoo! Groups : TS-850S - Welcome to TS-850S HF Transceiver Owners Group. Group designed to discuss the attributes, usage and technical information sharing, concerning this Classic Transceiver. Please feel welcome to add your questions, information and comments. We hope you enjoy the Amateur Operators "Attribute of helping ones fellow operator". Valid AmateurCallsigns only, admitted.