Technical

Notes for presentation by VK3YE on 22/07/2011

VK3YE Porta Tester universal RF test instrument

Diplexer for the VK3RGC GARC repeater

A simple 2 metre vertical home station aerial

Multi-Band VHF Vertical Aerials

VK3ZAV Ham Synthesizer - Mk 1 Prototype

1. Outline
2. Operating Instructions
3. Circuit schematic- 1st prototype

Thoughts on building your own receiver.

Pager Problems, cause and how to fix them.

Build your own 2m wide band 6 over 6 skeleton slot Beam aerial

Build your own 2m & 70cm wide band skeleton slot Beam aerial

Build your own Diplexer

Return Loss (VSWR) Bridge, and RF milli-voltmeter to 500 Mhz

A Bench Test Power Supply

A simple 2m 5/8 mobile aerial

MMANA-GAL is an aerial simulation program used by a number of GARC members. Below you'll
find some configuration files for this program.

A 2m folded Ground Plane
A simple 5/8 wavelength vertical for a Galvanized Iron Roof
A vertical 6 by 6 Skeleton Slot Beam for 2m, version 2
A vertical 6 by 6 Skeleton Slot Beam for 2m, version 3
A vertical 6 by 6 Skeleton Slot Beam for 2m, version 4
A 6x6 Skeleton Slot Beam for 2m and 70cm, Version 1
A Classic 6x6 Skeleton Slot beam for 2m, Version 1
5-8 wave vertical for 70cm
A 3x3 Skeleton Slot Beam for 6m
A 6x6 Skeleton Slot Beam for 70cm, Version 5
A 8x8 Skeleton Slot Beam for 70cm, Version 2

A wire gauge conversion chart to help decipher wire diameters