Amateur Radio Links

Friends and Colleagues

Stop in at my friend Matt, KK5DR's site
Meet my buddy Jay, W5JAY
Ken, N9VV's Ham Radio website - including SDR links
Check out Oba, JA7UDE's site
Collectors: Visit Bruce, K1XR's Collins & Drake page
Howard, KY6LA's Website
Jed, N1JBC's Page
Hans, PA1HR's Website
Greg, W8WWV's Site
Bill, W2CQ's Website
Dennis, ZS1AU's Page
Markus, VE7CA's Website
Luke, VA7LWE's Website
John, AI4FR's Ham Forum
Lidio, IØGEJ's Website
Lidio, IØGEJ's Links Page
Bill, K4FX's Website
Dick, W7ZR's Website
Randy, KK7TV's Website
Jeff Smith, VE1ZAC's Website
David, VA7DXC's Website
Tom, W6KAN's Website
John Bartlett, HK3OZ/VE1OZ's Site

Organizations

Get acquainted with our local club - the North Shore Amateur Radio Club
AR RL - American Radio Relay League
RAC -Radio Amateurs of Canada
IARC - Israel Amateur Radio Club
ITU Radio Club
RSGB - Radio Society of Great Britain
DARC - Deutscher Amateurradio-Club
SARL - South African Radio League
SFDXA - South Florida DX Association
UKSMG - UK Six Metre Group
The K9YA Telegraph
eHam.net

Manufacturers and Related Sites

ICOM America Home Page
Icom Elmer
YAESU Home Page
Doug,VA3CR's authoritative FT-1000MP Site
Bill N4ATS' Yaesu FL-7000 Site
The Fox-Tango Group
KENWOOD Home Page
FlexRadio Systems Home Page
Sunair Electronics LLC - military and commercial radio communications
Rohde & Schwarz - Germany's radio communications, test and measurement leader
Hilberling - a top German radio manufacturer
Circuit Design Inc. - radio modules
ADAT ADT-200 - the Swiss direct-sampling HF/6m transceiver. View a presentation.
Interesting accessories for your station: LDG Electronics Inc.
PAR Electronics Inc. - antennas and RF filters
Pacific TV - a good source for vacuum tubes, in Victoria BC
Toronto Surplus & Scientific - an excellent Canadian resource for test equipment and surplus radio communications gear
Prolex Design - another Canadian test-equipment resource, in Victoria BC

Technical Topics

Here is an excellent tutorial on Modulation Theory
Microwaves 101 - the #1 microwave info resource
"Voltage" and "power" dB's getting to you? Read George, W5YR's "Treatise on the Decibel"
Read an excellent white paper and Web page on Software Defined Radio (SDR)
Of general interest to Hams and SWL's: RadioIntel.com
A marvellous electronics information resource: One Electron
The Audio Systems Group - including RFI information (PDF)
Richard Measures' Amplifier Site
Don, AA5AU's RTTY Page
G3SEK's Amateur Radio Technical Notebook
G8WPW's Microphone Connections Page
Markus Hansen VE7CA's Test Bench, including HP 8640B Signal Generator
The RigPix Database
Sci.Electronics Repair FAQ Pages - very useful electronics repair info
Looking at HF amplifiers? Read about solid-state & tube designs. Why I favour solid-state!
HF Linear Amplifiers - basic concepts, types & operation
Speech compression in SSB radio systems
The future of SSB in a digital voice environment
The Beverage Antenna Memorandum
Antenna and receiver noise figure
VK1OD's Technical Site - many fine articles, including useful calculators
Antenna tuners and couplers
FM, Land-Mobile Radio and the Amateur Radio Service – a brief history
Amateur Radio Application of Frequency Modulation by VK1OD
DSP in HF Radios
Icom IC-756Pro3 vs. IC-756Pro2
Analog-to-Digital Converter Considerations, by Andrew Roos ZS6AA
MFSK 16 - a new HF datacom mode
Rig Power Supplies, by John White VA7JW - an excellent overview of power-supply technology
Some common-sense rules for ensuring long PA life
The H-Mode Mixer Page by PA3AKE
G3YNH.info - David Knight's Website
CPI Power Grid Device Library - Econco & Eimac Tubes
On Rotten Signals by George Grammer W1DF (published in April 1933)
Antenna Lightning Protection - an excellent document from PolyPhaser
A masterly treatment of SSB compression - by Mike Perks ZS6BIM
Guidelines for Noise Suppression with the Yaesu Quadra, by Peter Jackson VK6KXW

Test Procedures & Equipment

The Test & Measurement Page
Absolute RF Power Measurement using simple techniques
Not getting full SSB output? Run this simple PEP test procedure
Here is a useful dBm-volts-watts conversion chart (for 50Ω systems)
Use the RF Calculator (requires MS Excel) from Bird Technologies Group.
Here's a handy tip from Bob W9YA: Use your oscilloscope as a preamp for a counter
Join the Radio Test Gear Group
Manuals Plus - a source for test equipment manuals
Docmesure - a French download site for test equipment manuals
The Autotuner as Preselector (swept-frequency test)
John Miles KE5FX's Website
Clifton Laboratories - Jack, K8ZOA's website
Repair and Recalibration of a Bird RF Wattmeter Element
Igor, UN7GM's ARRL Transceiver Specs Summary
The Wenzel Associates Technical Library - from a leading manufacturer of precision crystal oscillators

Receiver Topics

A superb resource on receivers: Leif Åsbrink SM5BSZ mirror site
The Kongsfjord DX Homepage - including receiver data, reviews and articles
Read George, W5YR's "Distribution of Gain and Selectivity in Multistage Receivers"
Dave, N9EWO's Radio Receiver Website
The Barlow Wadley XCR-30 Site
Intermodulation, Phase Noise and Dynamic Range (PDF)
Intermodulation Testing of High-Performance Receivers - by John Thorpe (AOR)
Reciprocal Mixing - how phase noise affects selectivity
PA3AKE's Website (including high-performance H-mode mixers)
PA3AKE's H-mode Mixer Page
The Fraunhofer IIS DT700 Direct-Sampling DRM Monitoring Receiver
The Perseus Direct-Sampling HF Receiver
Phil Covington's QuickSilver QS1R Direct-Sampling Receiver
RFSpace Direct-Sampling Receivers: SDR-14. SDR-IQ, SDR-IP, IF-2000 interface
Introduction to Communications Circuits and Radio Architectures - DSP-based HF receivers
HF Receivers: Part 1 Part 2 Part 3
Saurier-Konzepte (Dinosaur Concepts) by Nils Schiffhauer Deutsch English (PDF)

Design & Homebrew Projects

Build Paul, N2PK's Vector Network Analyzer (VNA) & HF Power/Return Loss Meter mirror site
Fighting ground loops, hum, RF/audio feedback, etc.? Read Sound System Interconnection
Designers: Visit Circuit Sage, a Web-based circuit-design toolkit
Experimenters: Test-drive the W9CF Antenna Tuner Simulator
A passive-attenuator calculator (H and T pads)
Markus Hansen VE7CA's HBR-200 HF Transceiver
EI9GQ Homebrew Page
Auxiliary keying interfaces for Icom HF radios

Historic & Military Radio

VA7OJ/AB4OJ's First Steps in Amateur Radio & Military Radio Links
Beginnings (reprinted by kind permission of the K9YA Telegraph)
Two Meters the Hard Way - converting an SCR-522 for ham use (reprinted by kind permission of the K9YA Telegraph)
S.P.A.R.C. Radio Museum, Coquitlam BC
Matthew Kendall's Spilsbury SBX-11A Page (SBX-11A : 10W, 2 - 8 MHz, 4-channel crystal-controlled HF-SSB manpack)
Hammond Museum of Radio
Marconi Archive Online Catalogue - Bodleian Library, Oxford University
Ian McLean - Collins
Keith's Racal Page
PA8PDP's Racal Pages
Ian, GM0UHC's Racal RA.17 Restoration
Jose, EB5AGV (Radio)
Tactical Link Systems
United States Early Radio History
N3IBX Vortex Joe's radio museum
HF Propagation & Clandestine Communications in WW2 by Brian Austin G0GSF (posted by kind permission of Radio Bygones)
Geoff, WB6NVH's Historical Radio Site (LMR, mobile phones etc.)
presentations given to the North Shore ARC
German WW2 Radio Technology
German WW2 SIGINT/COMINT
German WW2 Radar & Magnetron Note
Amateur Radio History - from Boat-Anchors to DSP (also given to IEEE ComSoc Vancouver)