446 mhz yagi antennas

Antenna Basics - Article designed to answer basic questions about antennas

Quadrafilar Helix Antenna - Quadrafilar Helix antenna for 137 Mhz

Delta Loop for 50 MHz  ^pop - Delta loop and vertical antenna plans with translation in italian

50 Mhz 6 element yagi - G3PTO antenna drawing plan for a 50Mhz 6 Element Yagi

EI4IX Dave - Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation.

German PMR446 Forum - German PMR446 radio online forum

Pravacy Speaker PMR446 - We are a leading developer and manufacturer PMR446 in Korea. Our new developed PMR446 model no. IFR-100 has new function like as private speaker it allow not to speak out from the radio and only you can hear the communication by using a private talk mode.

DWM Communications - Manufacturer and direct seller of shortwave and ham radio antennas and accessories like TINYTENNA & YO-YO-TENNA

Fractus Antennas - Fractal Antennas are a new generation of multiband antennas for wireless communications. Based on a new design concept, fractal technology.

Fractal Antenna Systems - Solution to your OEM needs and can meet your design or vended antenna requirements for antennas from 400MHz to 10 GHz.

ZCG Scalar - Designers and manufacturers of radio Frequency antennas. HF - 3000 MHz TET Emtron HF Yagis, Antennas for Wireless applications, Marine antennas, Land mobile, Mobile antennas.

Spectral - High End isopole VHF & UHF antennas for Amateur, Commercial and Military applications.

PC-Controlled 2m Receiver - This VHF receiver(118-173MHz) is fully controlled by PC(LPT port).Receiver presents a complete dual conversion.

ARDF Projects by WB2HOL - Antennas, attenuators, Fox Timers and Controllers and Fox Transmitters

Ham Radio Toys - Amateur Radio antennas and accessories since 1990

Cb City - Authorized dealer for ranger magnum wilson francis k40 antennas wilson cell antennas ect.

Smith chart - Match & display imped of antennas, can graphically visualize and compare two sets of measured impedances simultaneously.

Ariel 30 - HF wire antenna design program by WB4ZYA for DOS

W6ELProp - Predicts ionospheric (sky-wave) propagation between any two locations on the earth on frequencies between 3 and 30 MHz

Duplex 144 432 - A full duplex antenna system for 144 432 Mhz

7 MHz SSB Transceiver  ^pop - Circuit diagram and discription of 7 MHz Ham Radio SSB Transceiver. Transceiver using two MC1496, 4.43 MHz Ladder filter, LM386, LM324 and IRF840 in final.

The G8TTI homebrews - Home made transverters blockschematics two metre HB9CV, 144MHz SSB Transceiver

Ham Radio Circuits  ^pop - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.

Homebrew projects by dl5dbm  ^pop Priority listing - KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more

Impedance Bridge - by Harry Lythall SM0VPO