diy swr meter

A Stealthy 75 meter antenna - The 75 meter dipole at K7ZB was put up to meet the need for making contacts with friends in the Southwest and Southern California. As usual, it had to be put up so no one can see it from the surrounding neighborhood.

W5QJR Antenna Revisited - This antenna combines the features of a horizontal and a vertical antenna to provide constant signal level to all stations from near-in to more than 1,000 miles It is the optimum antenna for rag chewing and net operation on 40, 80 and 160 meters

2 meter 1/4 wave Ground Plane - 146 Mhz quarter wave antenna plan

Coax cable dipole antenna for 10 Mhz - Coaxial Cable Dipole for 30 meters band by I2NDT with detailed pictures of his dipole antenna setup.

Stealth Multiband Vertical  ^pop - A vertical antenna for 40 and 80 meters band, using a telescoping fiberglass fishing pole.

Dual Loop 80 and 40 Meter  ^pop - A dual loop antenna, ZZ Wave Net HF Wire Antenna Project by VE6VIS. The antenna is basically a full wave 80 meter loop on top and a 40 meter loop on the bottom all supported from a 64 foot center support

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

Squalo 6M horizontal omni antenna - An almost Omni directional horizontal antenna for six meters by G8UBJ

6 Meter 5/8 Wave Vertical Antenna - The G3JVL 6 Meter ground plane vertical is a compact antenna that is ideal for portable operations. If needed, it can be disassembled into a very small bundle no longer than the longest element.

Half wave collinear copper jpole - Two meters collinear j-pole antennas made with riggid copper pipe

Better Feedline Loss Measurements with Antenna Analyzers - Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation

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

AA3RL Transmission Line Calculator - Excel spreasheet that calculate virtually every transmission line parameter that one may need. Include Length conversions, Reactance and Length of Stubs

2 Meter Jpole by KG4WOA - Excellent jpole antenna plan with contruction details and pictures

Building A 2-meter J-Pole Antenna - Buildin a VHF Jpole antenna with detailed pictures

2 Meter Jpole Calculator - build your own 2 meter JPOLE Antenna

Ascension Amateur Radio Club - Amateur Radio serving Ascension Parish and all of South Louisiana runs a 10 meter beacon

Minnesota - Willmar Police & Fire-EMS Scanner Feed - WILLMAR MN KANDIYOHI CO. Police fire EMS highway dept.

3840 Audio Archives Priority listing - 80/75 meter Amateur Radio recordings via various online tuners.

DL6JAN QRSS beacon experiments - A summary of QRSS activities on 30 meters band. Hombrewing a QRSS Beacon

30 meter MEPTa kind of QRSS and QRPp Beacon

AA4XX QRSS Beacon - 30 meter QRSS beacon of AA4XX

The Noise Floor - The noise floor: 1750 meter lowfer and medfer resource

Parabolic - This program calculates geometry, gain, losses, efficiency, directivity pattern and other parameters of primary fed and offset parabolic antennas.

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.