Karl's RF projects page

Antennas & Line

a 3-element yagi beam antenna for 1 1/4 meters or 70 ceni-meters K-built, light Duty

a 3-element yagi beam antenna for 1 1/4 meters or 70 ceni-meters K-built, heavy Duty

A simple dipole K-built, for 1 1/4 meter band; medium duty

A simple dipole K-built, for 1 1/4 meter band; heavy duty

K-built, a dual band unity gain antenna set For 1 1/4 and 2 meter band; medium duty

Repair an antenna Collinear (Station Master) type

Build a new antenna Collinear type

Evaluation of Arrow's 1 1/4 meter yagi antenna 220-S5, light duty

Evaluation of Tram's VHF antenna 1487, base, light duty

Evaluation of Tram's dual band antenna 1181, mobile, light duty

Evaluation of Comet's dual band antenna B10, mobile, light duty

Evaluation of Comet's dual band antenna 460S, mobile, light duty

Evaluation of Laird's 70-cm antenna FG 4405 base, medium duty

Evaluation of TeleWave's 70-cm antenna ANT450F10, base, heavy duty

Evaluation of Sinclair's 70-cm antenna SC320-SF4SNM, heavy duty

Evaluation of Diamond's dual band antenna NR-72BNMO, mobile, light duty

Evaluation of Diamond's antenna X50N, base, medium duty

Evaluation of Crushcraft's antenna CRX-150, base, light duty

A look at RF paths Where these antennas could help

A look at Commercially made antennas Just to buy

Hard line splicing Cheap solution

Connector discussion For RF

Cavity and Duplexer notes

Path Engineering Calculate Fade Margin

Receiver Desense Testing system performance

RF and RFI Management Practices and Notes

Cavity Band change from 2 to 1.25 meters

Grounding discussion using the R-56 as a standard

N connector Install

 

 

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