daiwa swr watt meters

Trapped dipole for 40-80-160 meters  ^pop - Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX

The All Copper X-Beam for 17 Meters - WA2UGT X-beam antenna for 17 meters band

2m VHF antennas with high gain - 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth. These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.

40 meter delta loop - M0MCX - Pictures and details of a wire delta loop antenna for 40 meters band

Easy Delta Loop for 50MHz - Build your own delta loop antenna for 6 meters band

80/75 Meter 4-Square Array - This array has been in use since 1989. The SWR from 3.5 to 3.9 is below 1.5:1. The F/R of the array is 20dB average and with some signals even better.

End fed halfwave antenna and matching unit - One is an EFHWA for 20-40 meters, and the other is a matching unit for the antenna by n0lx

Effects of VSWR on Transmitted Power - By James G. Lee, W6VAT

HS0ZEE Antenna Tower Installation - Pictures and history of HS0ZEE 37 meters antenna tower installation with a cubical quad on the top of this tall radio mast.

Eliminate QRM from 6 meters band - The circuit described below will substantially reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequencey by TREVOR, G3ZYY

N1IBC Eimac 4CX1500B HF Power Amplifier - 1500 Watt HF power amplifier

K0GKD Solid State amplifier - High Power Solid State 600 Watts Output Motorola MRF 150 FETs

N4IP HF and 6 Meters amplifier - A solid state amplifier for HF and 6 meters band by N4IP

G3YXM 500 W solid state amplifier - HF 500 Watt power amplifier schematics by G3YXM

VE6FI 4-1000a amplifier - 15-160 meters HF power amplifier

ON7WJ Amplifier 500 watt

ON7WJ Amplifier 1000 watt

500 WATT PA by SM0VPO  ^pop - 500W Power Amplifier by Harry Lythall - SM0VPO

11 KW Linear amplifier by I0JX  ^pop - Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Power was measured with a Bird 4712 wattmeter and a 25 KW slug

Russian amplifier for 160 and 6 meters - by Tony I0JX

10 Ghz 1W Power Amplifier - 1 watt amplifier for 10 ghz made from surplus stuff

2 KW Power Amplifier for 2 meters - 2 KW power amplifier for 144 MHz using the GU84B tube by Paul Chominski WA6PY

DL5DBM 1KW amplifier for 144 Mhz - Pictures and circuit diagramm to build this power amplifier for 2 meters

6 meters power amplifier - A PDF file containing schematics and instructions to hombrew a power amplifier for 50 Mhz

144 MHz 1.2 Kilowatt Amplifier - 144 MHz Kilowatt Amplifier with a Gu74b.