433 mhz yagi

5 Element yagi for 10 meters - A directional 5 element yagi antenna for 28.5 Mhz in spanish

A 2 elements yagi antenna for 28 Mhz - An inexpensive antenna for 10 meters band in spanish

A 7el VHF yagi - DK7ZB'7 element yagi beam

40M 3 element beam - History project and dimensions of a 3 element yagi beam for 40 meters band

50 Mhz J-pole antenna - A project for a jpole antenna for the six meters band. Includes dimensions building instructions and pictures of the assemblig phases. In Italian

X-Beam for 6m 2m and 70cm - X-Beam antenna by K0EMT for 50 Mhz and VHF UHF bands

Collinear Microstrip Patch Antenna - Design of a 869 Mhz Collinear antenna

40m broadband vertical antenna - A loopy loop loaded vertical antenna operating range 7.0 to 7.3 MHz by S. C. Chuck Smith, WA7RAI

Loop-Magnetic by Dj9RB - Magnetic Loop - DJ9RB Frequency range 2 MHz - 10,2 MHz

Handheld Yagi - This is the handheld yagi can be used for working satellites when mobile. Offer 420 - 450 MHz 70cm bandwidth and the worst SWR is 1.3:1

A short Quagi for 1298Mhz - Based on K5OE design by GM1SXX

Wire receiving loop antenna - A quick and easy to build loop antenna for shortwave listeining can tune from 5 to 18 Mhz

OZ7CQ - The CQ Contest & DX Group, main activities is - participating in contests. Mainly in the Nordic Activity Contest at the 50 MHz, 144 MHz and 432 MHz, though the group holds a full licence, have we not participated in a HF contest yet.

W8NGA Beacon - 28.207 MHz 5 watts into a 10 meter Ringo

IW3FZQ/B - 28,227.5 MHz, from JN55VF first "IW" prefix beacon "ON THE AIR" activated from Italy

A71A/B - 50,006.0 MHz from LL55SH by Qatar Amateur Radio Society

ACTIVE Beacons <30 Mhz - List of all ACTIVE Amateur Radio Beacons on frequencies below 30 Mhz.

IK3NWX/B  ^updated - 10,141.8 MHz from JN55VF

IZ3DVW/B - 21,145.7 MHz from JN55VF

IZ3DVW/B - 40meter band beacon on 7,039.6 MHz

IZ3DVW/B - QRG 3,577.0 MHz from JN55VF

International DX Association, Inc - The International DX Association is an amateur radio organization dedicated to working DX and making DX possible. Promotes and supports DX operations in countries that have limited or no amateur radio activity. Support is usually to DXpeditions to rare DXCC entities. Provides DX news and QSL routes on 14.236 MHz at 2330z.

VHF/UHF Propagation - In the past few years there has been a growing movement from VHF frequencies (50-300 MHz) to UHF (300-900 MHz). Many, however, have found the move fraught with difficulties.

2 Element beam designer - This is a DOS program that will design a 2 element beam for a given frequency. The gain is about 6db's the front to back ratio is about 10 db's. The SWR will be about 1.8 to 1, so for transistor rigs a tuner is needed The only information required is the freq in MHZ..

C Band Transverter - C Band Transverter for 5668 - 434MHz