homebrew swr

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

40/80 Trap Dipole Design - An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS

Techlib.com Antennas - Introduction to homebrewing antenna, for AM FM band reception

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.

The Ionosphere - The Ionosphere (simplified) by WB8IMY, an useful article for the HF novice

20 W linear amplifer for 2 meters band - A basic VHF power amplifier suitable for 2M (144-146 Mhz) the output power vary from 3 to 25 Watts By VU2RAR

Control unit for receive audio - A master control unit for receive audio

Homebrew 50 Mhz Beacon - DIY beacon for six meters band by K9MU

K7NWS 10 Meter Beacon Project - The K7NWS beacon is an entirely homebrew affair. The transmitter outputs approximately 1 watt at 28.265 MHz.

Frequency Counter project - Circuit and construction instruction designed by Mani VU2ITI

SQ2OMC HF Transceiver Priority listing - Description of the homebrew shortwave multiband SSB transceiver, that covers 0.1 - 30MHz. made by SQ2OMC

QRP Wattmeter - G4FON homebrewed QRP Wattmeter

High current power supply for rigs - High current universal supply for rigs, project article by VU3NSH

20m CW Transceiver - Homebrew 20m CW transceiver by MINOWA, Makoto 7N3WVM