boom michrophone

A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals

7 Elements YAGI for 144 Mhz  ^{updated  pop} - The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz SSB/MGM band, in PDF Format

QM5 Yagi for 2 meters band - The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements

QM7 7 elements 144 MHz Yagi-Uda Antenna - The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB

Optimised Six-Metre Yagi - Design for a 5 element beam on a 23 foot boom with an unusual combination of performance characteristics

6 Elements Quad for 50 Mhz - Total Boom Lenght is 5,6 m

6elements 6.4 Mtr 50MHz LFA - A Compact 6el 6M Yagi with over 32dB F/B and more than 11.6dB Gain!

432 Mhz 8 Element Quagi Antenna  ^updated - How to build a 432 Mhz Quagi, using a wood-made boom, and gives a 13 DBI Gain

80m 2 element Yagi antenna  ^pop - 2 elements short boom yagi for 80 meters

Yagi Element Mounting Considerations - One of the most important considerations when designing and building a Yagi antenna is the method used to attach the elements to a boom. This is true because the boom influences the electrical length of the elements. In this article JH Reisert explain with drawings techniques on mounting yagi antenna elements to a boom

Mounting elements to a boom - Here is an easy method to mount elements to a boom, this can be realized at home, without the need of special tools

Use of tripods to assemble and balance big antennas - Here is a way to ease assembly and balancing of a large antenna. The elements and boom are assembled separately in most cases. Once they are all together set up 2 tripods in the assembly area and put the boom on them.

4 elements 50MHz Quagi  ^pop - Total Boom Lenght is 3 m.

Cross-Yagi - Cross-Yagis for Terrestrial and Satellite Work The 2x6-El.-Cross-Yagi (28 Ohm, 2.60m Boom) by Henk, PA3GUO

N8PPQ webcam - This is a view from the boom above N8PPQ 56' tower

Warren Gregoire & Associates - Boom Microphone Headsets for use on amateur transceivers- assembled and kit form.

Gem Quad - Boomless cubical quad antenna for 10 to 20 meters

ALT Fabrication - ALT Fabrication manufacturer and distributor serving the telecommunication industry. Boomgates, Sector frames, grounding, electrical.

K-PO/KBC  ^updated - Import/export of cb transceivers, antennas, speakers, power supplies, etc. Firestik, sirio, sadelta, hustler, boomerang, president, k-po, shakespeare, danita, k-40, wilson, midland

RadioReader-Pro - Professional software for real-time analysing, demodulation/decoding digital radio-transmission``Demodulation based on the best of the noiseproof correlation algorithms``Demodulation ASK, Morse, FSK, MFSK, CPFSK, GMFSK, FSK4, FSK8, PSK, BPSK, QPSK, FAX

RadioScanner - Proffesional software for searching radio-bugs, radiomonitoring, scanning, real-time analysing radiodistance etc

LF Analyser - Professional analyser sound signals, scope, spectrum, spectrograph

HF Analyzer - Professional analyser HF signals, work with bandwidth 500Hz....60Mhz, ddc-mode, scope, spectrum

Trimitator - Software for imitation digital radio-signals: ASK, FSK, BPSK, QPSK, variable speed, any frequency

RPU-8 - Software for control radioscanners AR300, AR5000, Icom PCR-1000, Winradio``simultaneously can work before 8 scanners Scanning mode/window