swr analyser

ZMV Spiral antennas - An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over the frequency range of 7.0 to 7.3 MHz, or the 40-meter band.

Broadband 80/160 Meter Dipole - An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band by K5GP

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.

12 elements Yagi for 70Mhz  ^updated Priority listing - A Monster Yagi for 70MHz huge gain, clean pattern and flat SWR 50 Ohm, no matching required

11elements yagi for 70MHz Priority listing - Low Noise 4m LFA Yagi. No matching needed, flat SWR across the band. Ideal for field day etc. Serious gain and F/B by G0KSC

11el 50MHz Low Noise LFA Yagi  ^updated - 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

Measuring Antenna System SWR - Have you measured the SWR at the 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.

Telepost - Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system

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

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

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.

N2PK Vector Network Analyser Answers - G3SEK answers to some practical questions on builing the N2PK VNA Vector Network Analyser