close spaced yagi design

43 element Yagi for 2 mt.  ^pop - 43 Element Yagi for 144.200 MHz by VE7BQH

10 elements Yagi for 2 meters - Based on a design by JM1SZY for 50 MHz that he developed using YO

50MHz-Yagis by DK7ZB - 50MHz-Yagis with a new match, all lengths from 0.6-12m

80m 4 element delta loop antenna - A four element delta loop antenna for the 80 meter band providing a forward gain of 6 dBi by F5VKM

W0KPH EH Antenna tests - Various tests and designs, with photos of home made EH Antennas,simple and networked, and also sone CAN Antennas.

J-pole Design Prg  ^pop - J-pole Design Program V1.1 by WA2ISE

K8CU Log Periodic Antenna - Plans, photos, electrical and mechanical design for this HF Log periodic antenna.

Stacked Yagi Antennas - Constructing and designing full size, single band stacked yagi antenna arrays

DK7ZB Yagi Homebrewing  ^{updated  pop} - Yagis for homemade with a new match-system, for 6m, 4m, 2m, 70cm and Shortwave

Summits on the Air (SOTA) - Summits on the Air is an exciting new award scheme for radio amateurs which encourages operation in mountainous and wilderness areas. The sceme is designed to grow into an international awards.

SATEDU PROJECT - SATEDU project, a 20Kg class microsatellite designed and managed by AMSAT-France, partially developped and built by students

Scanner feed tutorial - This tutorial is designed to help the average person get his scanner feed on the net pdf file

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

Eco Antenne  ^updated - Italian antenna manufacturer. Verticals, yagis, delta loops, mobile and wire antennas from HF up to VHF and UHF bands including ham radio CB and commercial product lines

Balun Designs LLC - Balun Designs wind high quality baluns and ununs for Amateur Radio and commercial applications based on the researched and tested designs of Dr. Jerry Sevick, W2FMI.

Six Meters FAQ - Faqs on six meters band, designed to help encourage hams to use and enjoy this band

The Very Small Array (VSA) - in Tenerife (Canary Islands). Designed to study fluctuations in the Cosmic Microwave Background (CMB) thought to originate from the period immediately following the big bang. Operated by Cambridge and Manchester Universities (UK).

AA Woodcrafts - Amateur radio call sign displays precision cut in wood. Being 18mm thick they are designed to stand on a desk or shelf.

QSLArt - Qsl card design and printing by ik6rum

Antenna Log Periodic Design - Log periodic antenna design excel sheet file download, in italian.

Magnetic Loop Designer - Magnetic Loop Antenna Design software by DK1NB

EchoFilter - EchoFilter uses the soundcard of a PC to process income audio signals in real-time. The narrow filter bandwidth allow the extraction signals and sounds from the audio signal that may normally be close to inaudible. It is intended for radio HAMS, hobbyists, researchers, scientists and students in the DSP field.

IZ8BLY Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK).

RX-PSK31 - Easy to use Audio Spectrum and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum to set for best decoding of PSK31.

FT100 SuperControl - CAT control and logging software project especially developed for the YAESU FT-100 transceiver. The program is based on the design of FT847-SuperControl.