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High Gain Yagis for 432 MHz - DJ9BV dubus article on two different type of high gain antennas for 432 MHz.

QRP Magnetic longwire balun with VHF-splitter - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.

Coax Bazooka type antenna - 2 metre and 70 cm Coaxial Dipoles, Double Bazooka type

Coiled Coax Choke Balun - A very practical Balun for aerial work is the choke type

Rhombic Antennas - Description and simulation of two types of rhombic antennas, using the software 4Nec2: the simple bi-directional and the terminated directional rhombic antenna

Rhombic antennas - Description and simulation of two types of rhombic antennas, using the software 4Nec2

70cms and 2m Dual Band Aerial - A prototype antenna built using a single approx. 2.3 meter length of 4mm stainless steel wire

UK Amateur Radio Call Signs - summary or overview of UK or British amateur radio callsigns or call signs and the types of licence used in the UK by ham radio operators.

Ham Radio Licencing in Australia - Licence types in Australia and How to get a licence.

AIR802 - Manufacturer of PL-259 and SO-239 and many other connector types for various cable sizes. Also manufacture various size coaxial cable and pre-made antenna cable assemblies and pigtails.

Digital Radio Mondiale - About DRM, the DRM standard, emission types, upfrading your old HF RX to DRM

Small Antennas for High Frequencies - This is about Small Antenna types and their properties which can help choosing proper antenna for high-frequency wireless communications as: two-way radio, microwave short links, repeaters, radio beacons or wireless telemetry

ASAP Semiconductor - Electronic Component Distributor – ASAP Semiconductor is wholesale electronic component distributor in USA. We supply all types of electronic components like semiconductors, capacitors, resistors, diodes and many more.

Buying a shortwave receiver - This article will provide an overview of the different types of receiver available and the associated pro’s and con’s.

AktivFilter - Active filter design software for windows, AktivFilter 3 for the design of active filters tuned on the opamp type.

Homebrew a 3 Tube GI-7B-T HF Amplifier - Build a 3 tube, GI-7B-T amplifier using an old prototype box that was meant for 4, 572-B

Coax cable types - G4URH - Coax cable types, specifications and data

Fitting a BNC or TNC connector - Take care to purchase the correct type of BNC plug for your application as there are different models for 50Ω and 75Ω

Connectors - There are scores of RF connector types, ranging from the \"cheap and cheerful\" to the extremely expensive types intended for use in professional and military applications.

Installing PL-259 - How to install PL 259 connectors on RG-8 type coaxial cables

Fuses - About Fusues, current and voltage rating, type of fuses

Capacitors and their uses - Different type of capacitors or condensers and description of the various types and their uses

Transformers - Description of what is a transformer and winding types

Inductors and their uses - Different types of inductors, a brief description of the various types and their uses

CW Keyer with WinKey emulation - A CW PIC based keyer [16F688] which can be used in WinKey emulation mode, works with CW software that supports WinKey, or use with any terminal type program. Hex code is FREE.