Kit Build guides

Iambic Practice Oscillator

Switched Attenuator

Short - Open - Load
BNC Calibrator

Touch Sensitive Key

10 to 1 Divider

Coaxial RF Load
50 Ohm - BNC

Schematics only, Click this button:

Mini Memory Iambic Keyer
Kit Build Guide

10MHz Reference
Breakout PCB

PICAXE
Bas File

Crystal Tester
User Guide

100/50/25 KHz
Crystal Calibrator

HV Power Supply

User Guides, click button to open.

Touch Key
Kit Builders Guide

EM80 driver board
Kit Build

EuroBus Quick Start

CW Beacon (CWB)

1PPS Stretcher kit

CW Filter Kit
Build Guide

RF Sampler LPAD

CPO with Pitch Control
User Guide Note

TDR - USB Power

Coaxial RF Load
Test Port Math

Code Oscillator
CPO User & Kit Guide

10 to 1 Divider Kit

Calibrators & testers

Receivers & Allied

Atari Punk
Console

EM84 Magic Eye Dual Input

Rf Sampler SO239

Short - Open - Load
SMA Calibrator

Keying Adapter
3D Print Enclosure Link

Crystal Tester
Kit Builder Guide

Touch Sensitive Paddles

Reverse Polarity
Protection Switch

The tracER
A Dual Range Tester/Octopus

Mini Memory Iambic Keyer
Schematic

Keying Adapter
'Switch Thing'

CW Filter
Quick Start

Coaxial RF Load
50 Ohm - SO-239

Outrigger +
Quick Start

Geiger Detector

Audio & Novelty

10 to 1 Multi Output Divider

Crystal Tester V2
User Guide

PICAXE
Programmer

2 Port Dimension
Drawing

CPO Kit build Guide

50 Ohm Load
Flatpack

EM80 driver board
User Guide

Wide Range RF Marker
10 KHz - 8 MHz

RF Sampler with
Demod. Port

Morse Code/CW Devices

LM386
Kit Build Guide

Switched range Calibrator
1MHz - 100 KHz - 50 KHz - 25 KHz

RF Sampler Toroid

2 Port Antenna
Switch

Mini Memory Iambic Keyer
Quick Start