813 linear

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

Build A 9dB, 70cm Collinear Antenna  ^pop - 70cm, Collinear Antenna From Coax

Antena Multibanda Colinear para HF - A W5GI antenna description in spanish

Half wave collinear copper jpole - Two meters collinear j-pole antennas made with riggid copper pipe

High Gain Collinear AIS Antenna - High Gain Collinear AIS (162MHz) Receiving Aerial by Neal Arundale - M1CHS

Granta Contest Group - HF amplifier - The Granta Contest Group was founded in 1997 by Mark G4AXX, Colin G4CWH, Simon G4EAG, Andy G4KNO. The Group gets it's name from the River Granta (or Cam), which passes through Cambridgeshire and Essex. Using is a 160-10m "desktop kilowatt" linear amplifier using an Eimac 4CX1000A tetrode

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.

Amplitec linear amplifiers - HF VHF UHF amplifiers, designed by hams for hams, and morse keys manufacturer

Rake amplifiers - Leitner elettronica manufacturer of rake linear amplifiers

HA1YA Mechanics & Electronics Inc. - Specializes in manufacture of middle and high power RF decks and high quality linear amplifiers with metall ceramic tubes for HF, 6m, 2m and 70 cm bands. Transverters, power supplies and control units

Discovery Power Amplifiers  ^updated - The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world’s leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms

OZ1DPR Gallery - Linear amplifer picture gallery

Collins TRC-75 - Autotune Linear Amplifier

JA3MHV Amplifiers - 4CX1000A x2 AB1GG Power Amplifier, 21MHz 15W and 3.5/7MHz 20W SSB Transceiver by JA3MHV, 50/144/435MHz 80W Linear Amplifier

HF Tetrode Linear Amplifiers - I4FAF etrode Tube Linear Amplifier experience

HF QRP Lin Ampl - HF QRP Linear Amplifier with 2x 2SC2166 + 2x 2SC1969 Push Pull Transistors (13.8V)

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

IK5MEN HF amplifier 10-160m. - Italian page including pictures schematics diagrams of an home made linear amplifier using four EL509 in parallel. Output power is about 700W.

G3YXM 500 W PA - 40-80-160 meter band linear amplifier

SUPERVOX - S 300 - AM CW SSB linear amplifier for 160 80 and 40 meter band

LA7MI 40W RF Amplifier for 80m - 40W Linear Power amplifier with FETs for 80m Some notes about saturation in ferrite- and iron-cores. Written by LA7MI Stein Torp, N-5005 Bergen

Easy Kilowatt Linear Amplifier  ^pop - Rf amplifier for hf ham radio service - includes easy to understand designs and penny-cheap construction details

VHF linear amplifier pictures - 4CX250B X2 K2RIW style 2m amplifier

GI-7 on 2m - Schematic & drawing for a GI-7b 2m linear amplifier

PHEMT (GaAs FET) Preamplifiers - Angle Linear has been producing GaAs FET preamplifiers since 1980