coax

21 mhz half wave GP Antenna  ^updated - 21 mhz half wave ant -very low radiation angle - full size and light weight- all coax matching system - decoupling care to prevent low angle radiation degrade

2-Element-Yagis for HF  ^{updated  pop} - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.

The 2-Element-HB9CV-Beam  ^updated - The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. The Beam is a coax-feeded version of the ZL-Special Construction by DK7ZB for 2m, 6m and 10m

40 Meter coaxial antenna - An antenna for 40 meter band made entirely of coaxial cable either RG58 or RG59 Au.

Bazooka dipole for 70 cm band - Here is a very simple 70cms dipole from Harald PD2HFE, which uses a single piece of RG-213 coaxial cable 34 cms in length.

Build A 9dB, 70cm Collinear Antenna  ^{updated  pop} - 70cm, Collinear Antenna From Coax

A 1:1 Coaxial Balun  ^pop - PDF article on a coaxial 1:1 balun by I0QM

Coax velocity factor - Coax Cables velocity factor article in pdf format

Coax Cable Loss - Table representing loss of Coax Cables in db per 100ft.

Transmission Lines - About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART

Copper Cactus Single Coax Feed - Single Coax Feed to Multi-Band Copper Cactus Antenna.

Stacking Yagis - Stacking principles, with homebrew coax- and power-splitters by DK7ZB

The FD4 (FD3) Windom Antenna  ^pop - The 4-band Fritzel model FD4 is a special version of a Windom antenna. It is a half-wave long on the lowest frequency, and is fed from a coax cable through a transformer inserted in the wire at one-third from one end

The Windom Antenna - Eight Bands On One Coax by kh2d

C&H Distributing - A stocking electronics distributor. Electronic tubes, military components, asset recovery program, coax and connectors

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.

Impulse Electronics - Power connectors, power cables, coax cables, wires, batteries fuses and holders and tools

Myers Engineering - Broadband mobile radio antennas, vhf uhf antennas, commercial radios and scanners, rf coax cables and connectors

Rocky Mountain Radio - Provide RF connectors, adaptors, antennas, accessories, mounts, coax, West Mountain Radio Products and Anderson Power Products available.

CQ Shop Ham Radio Store Hong Kong Priority listing - Hong Kong's only full-service amateur radio store. Full line of Amateur Radio and Two-way equipment and accessories from companies such as Yaesu, Icom, Kenwood, Motorola, MFJ, Alinco, Diamond, AOR and many, many more. Knowledgeable staff with many years of experience in the radio business TAX-FREE shopping (no sales, VAT, GAT or other taxes) HF, VHF, UHF transceivers, receivers, walkie-talkies, antennas, antenna tuners, coax and connectors

WASP-NET - Complex CAD and Optimization Software for Waveguide, Coax, Combline and Antenna components design and antenna modelling

Coax Cable loss and SWR calculator - This small window application will calculate Coax Cable loss from SWR and SWR from Cable Loss

Coax Switch 160-10 meter - Cheap and Dirty Coax Switch by Glen E. Zook, K9STH

Idiot's guide to coaxial cable  ^pop - A very beginner's guide to coax cables. Characteristics, detailed comparison of typical coaxial cables, commonly used connectors, and a few words about SWR.

Coaxial Stub Filters - Coaxial stub filters used at W7GJ