swr protection

6el 70MHz Low Noise LFA Yagi - A Super 6 element LFA Yagi for 4M. 5.15 mtrs long and 12.4 dBi. Awesome antenna with no matching required and flat SWR throughout. Easy build

5 elements LFA Yagi for 70MHz - A compact 5 element LFA Yagi for 4M. easy build no matching needed as this is 50 Ohm and flat SWR. Excellent performance.

11el 50MHz Low Noise LFA Yagi - A Large 11 element LFA Yagi for self build. Easy construction as no matching is required. Super gain, F/B and flat SWR

10el 50MHz Low Noise LFA Yagi - A high gain LFA 10 element LFA Yagi with super clean pattern and flat SWR no matching required so easy to build.

9el 50MHz Low Noise LFA Yagi - A 9 element 6M LFA Yagi with no matching required. Super flat SWR, great pattern and gain too. What more do you need?

7el 50MHz 9.7mtr LFA Yagi Priority listing - A 7element 9.7 metre long 6M LFA Yagi. flat SWR with no match required. Supper pattern, Gain and F/B

5 element LFA Yagi for 50MHz - A compact 5el Yagi with good performance and completely flat SWR. No matching required either, easy build by g0ksc

Radio Antenna System Evaluator Site - This JavaScript program evaluates the performance of your cb or ham radio antenna system, computing the consequences of SWR and feedline loss.

VSWR Loss Calculator - This calculator is designed to give the efficiency loss of a given antenna, based on the input of VSWR (voltage standing wave ratio) and other subsequent factors

Homebrew Buddipole - W2SWR Mike project to homebrew a buddipole like portable antenna

EME stackable 9el 144MHz LFA Yagi - High Gain Low Noise 9el 144MHZ LFA Yagi. Flat SWR and no matching required. Very low temperature see lowest Ta on VE7BQH list ofr this size!

13el 50MHz Low Noise LFA Yagi - A Monster 13 element 6M LFA Yagi with flat SWR, 50 Ohm direct feed and minimal side lobes

12el 50MHz Low Noise LFA Yagi - A 22 metre long 50 Ohm Monster 6M 12 element Yagi. Super gain, Flat SWR, excellent F/B 50 mhz antenna.

EME Low Noise 14 elements Yagi - Ideal for EME with a Sky Temperature never seen at this boom length. Amazing pattern and flat SWR. 50 Ohm with no matching required.

GAP Titan DX SWR Measurements - Gap Titan DX Antenna SWR Tests GAP Titan DX Antenna SWR Test

W7BRS Vertical - Titan DX - Titan DX Installation at W7RBS, include a SWR report on various bands and some setup pictures

Lightning Protection using Relays - Why relays won't disconnect your antenna from your radio in lightning events

Lightning Protection for the Ham Radio Station - K9JY article on how protect our ham radio equipment from lightning

Converting ZetaGi HP201 for ham bands - Conversion of Zetagi HP201 SWR wattmeter for HF Amateur Bands by G8ODE

0-30MHZ RF Power Measurement - HF 100W LCD PIC16F877A SWR Meter at fox delta

Wideband SWR meter - About SWR, and use of SWR Meter, home made a swr meter.

A Pocket-Size, Direct-Reading VHF SWR Meter - This easy-to-build LED bargraph SWR meter goes with you anywhere.

Using SWR Meter - How to adjust your SWR on your radio and why.

Understanding standing wave ratios - Article by SWR by A. Nony Mous

How's Your SWR? - Chart showing how SWR effects how much power you actually radiate from your antenna.