fb 33 traps

HF Beam Calculator - Calculate the Measurements for a 2 or 3 ele Beam

QRO baluns - Construct your own heavy-duty baluns capable of matching your amp’s output to various antennas.

Build your own HF balun - EA4EOZ home made baluns

Homebrew traps - Traps can be one way round multiband coverage without the need of an atu. Learn how to homebrew your own traps

Antenna maintenance by PA0FRI - PA0FRI article on maintenance or a FRITZEL antenna by cleaning and restoring antenna traps, baluns and elements

Tuning HF Coaxial Antenna Traps - The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency.

Bootstrap coax traps for antennas - Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.

Museum of Broadcasting - The Museum of Broadcasting houses one of the world's finest collections of antique radio, television, and broadcast equipment

Sugar Delta Scotland - Sugar Delta, the world's leading International DX Group

XU7KOH - Cambodia - XU7KOH Koh Russei Island IOTA AS-133 From 21/01 until 24/01

QSL Collection I0DJV - QSLs from the 337 DXCC countries by I0DJV

HF BandPlan by RAC - Canadian HF Bandplan by RAC in pdf format

DARC Fürstenfeldbruck (C28) - Distrikte Oberbayern (C) Ortsverbänd Fürstenfeldbruck (C28)

The Aylesbury Vale Repeater Group - The Aylesbury Vale Repeater Group - GB3VA - 145.700 / 145.100 Mhz 433.050 434.650 Mhz. GB3VA GB3AV GB3BV GB7VA Site maintained by Phil M0PSH Aynet

South Oxfordshire Repeater Group - South oxfordshire repeater group (sorg) operates the 433 mhz amateur radio repeaters gb3di, gb3ox and gb3wo.

The Genesee County Radio Club - Founded in 1933 in Flint Michigan

NC4FB Amateur Radio - Online self-study programs for U. S. Amateur Radio license exams, Canadian Amateur Radio exams, and FCC Commercial Elements 1, 3, 7, 7R, 8 and 9.

Two-Meter VHF Repeaters in the U.S. Priority listing - New field-tested Two-Meter VHF FM repeater frequencies for 33 US states

AL-811H inside - Ameritron AL-811H Amplifier inside 800 Watt PA modified with 4x 572b tubes

FB-922 Replacement Filter - FB-922 Replacement Filter Capacitor Block for the Kenwood TL-922 & TL-922A

eHAM Reviews for Kenwood TS-480HX - Kenwood TS-480HX Resources at eham.net

SDR Navigator for Winrad - The SDR Navigator is a program which works as a layer between Winrad and your EXT I/O HW DLL (Softrock, PMSDR, Elektor SDR,..). The SDR Navigator gives the user some useful functionalities to quick navigate with Winrad by HB9FBD

Stub HF filter - Multi transmitter filters for HF Bands

4 Amp one transistor power supply - ON6MU 4 A power supply using a BDX33

QRP Transceiver for 3.5 Mhz - A QRP transceiver for 80 meters band by W1FB