coaxial traps

G3YXM Small Loop - This simple antenna is capable of remarkable results on 160, 80 and 40 metres. Forming a triangle from around 50 feet of satellite TV coaxial cable, the top of the triangle can be as low as 15 feet, and the lower side just high enough to prevent a passer by hanging themselves

Wire Baluns - Baluns done with coaxial feed-cable

Magnetic Long Wire UnUn 9:1 - An impedance transformer (9:1) to feed a high impedance long wire (~450 ohm), down to a 50 ohm unbalanced coaxial input.

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

Coaxial feeder or RF coax cable - An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another

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

Tuning HF antenna Traps - Tuning HF Coaxial Antenna Traps

Coax Antennas - Amateur Radio Coaxial Antennas by G3TXQ

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.

Traps for 160 meters band - Extending a 40/80 trapped dipole to 160 meter band

Benelec - Radio Communication Base Station, Marine, Cellular and Mobile antennas covering all bands between 2-6000MHz, Communication Accessories, Coaxial Cable, Coaxial Connectors and Accessories

MegaPhase - MegaPhase designs, manufactures and sells coaxial cable assemblies to OEMs building advanced microwave and optical electronic systems, products include test cables, test adapters, flexible and semi-rigid cables used to connect system components inside a system, and coaxial connectors.

Cmpter Electronics - Cmpter Electronics is specialized in designs and manufactures RF Coaxial Connectors, RF Adapters, Cable Assembly and GPS Antennas for applications in the datacom/telecom, automotive, instrumentation aerospace and defense markets.

Eagle 1st - US made, accessories for the RF laboratory; including Return Loss Bridges, high performance coaxial cable assemblies and test filters.

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.

ABR Industries - 50 Ohm Coaxial Cables, Assemblies, and Connector supplies.

Ecoflex USA - Manufacture of the famous Ecoflex Low Loss Coaxial Cable Series.

Teledao - Manufacturer of Grounding kits, cable, copper lugs, bus bars, brackets, lightning arrestors for coaxial feeder cable & fiber cable lightning protection & grounding

Fairview Microwave Inc - Supplier of RF, Microwave, & Wireless passive coaxial components, including Coaxial Attenuators, Adapters, Cables, DC Blocks, Terminations, & Connectors

Installing Coax Connectors - Joe Carr's Radio Tech-Notes Installing Coaxial Connectors

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

Coaxial Cable Attenuation Ratings - Coax ratings, attenuation and power ratings

NEQRP Noise Bridge - A noise bridge is a device for measuring or comparing impedances on coaxial cables, antennas, components, etc.