17 meter

Dismantable Yagi for the bands 10-17m - 10-12-15-17 meter band yagi antenna

160 Meter Antennas at W8JI - 160-meter vertically polarized transmitting antennas center around this 200-foot tower

KE4UYP Linear loaded vertical antenna - This is a vertically and horizontally polarized antenna the Linear loaded 1/4 wave length vertical radiator introduces very little loss for 80 or 160 meters

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

2-Element-Yagis for HF  ^{updated  pop} - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.

Shorty Forty Antenna - Short dipole antenna for 40 meter ham band. Can be put up in the space required for a 20 meter dipole.

Sterba Curtain Antenna for 40 meters - A forty meters band sterba curtain antenna notes by KB8PGW

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

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

2-Element-DK7ZB-Quad for 5 Bands - 10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003

IZ1GJH/B 10 meter beacon - Active on 28.321,47 MHz in CW and Qrss3

KD4MZM Beacon system - The kd4mzm ham radio beacon system running a Cobra 148 GTL 40 channel AM/SSB unit modified to the 10 meter band

YLRADIO Video clips - xperience 3 YLs having a 2 Meter QSO

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

4-1000A Project HF Amplifier - An 80-10 meter band switchable HF amp using a 4-1000A

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

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

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

Base-Station RF Power-Amplifier Biasing - Power amplifiers used in base stations require biasing for proper RF performance. This article explains the two classes of biasing that are prevalent in the RF industry, analyzes their characteristics, and shows implementations with existing ICs.

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

GS35b Amplifier for 50 Mhz - Picturs of my 6 meter Pa with a GS35b

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

DL5DBM`s 2 meter Antenna preamp - Homebrew with CF300 DGMF with about .24 dBD gain