Past Presentations and Articles
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Some documents rescued from the old IVARC site - hopefully their owners well recognise them and add an appropriate synopsis
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Graham King G3XSD How aerials really, really work
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Graham King G3XSD How can I do DSP on my microcontroller
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An Introduction to Echolink
John Noden G8IOK January 2008 |
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Electronic QSLing with eQSL - Ted Stiles G8BHK
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50MHz Collapsible 2 Element Mini Beam:
An Overview the Development of the “6MBA” Mike Parkin GØJMI |
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Loops and how antennas (aerials ) really work
Professor Mike Underhill - G3LHZ June 2010 |
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Digital TV: ATV, Freeview, Freesat and all that…
Noel Matthews G8GTZ August 2009 |
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Feld Hellschreiber Graham King G3XSD
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Band Pass Filter Design - Richard Harris G3OTK
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| 9._measurements.pdf |
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Low-power beacons
Paul Wilton M1CNK June 2009 A brief introduction to setting up and receiving low power beacons - QRSS and WSPR. |
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Introduction to VHF/UHF Propagation
Paul Wilton M1CNK June 2013 An introduction to the different mechanisms behind VHF and UHF propagation and how to optimise their use. |
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RF ground, counterpoises and elevated radials
Graham King G3XSD |
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Software Defined Radio
Graham King G3XSD |
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Security
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Small Garden Antennas Graham King G3XSD
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Radio Amateur Test Gear
Paul Wilton M1CNK A brief run through of useful test gear for the radio amateur, including some based upon low cost micro-controllers. |
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A Tale of two digimodes
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Key-clicks and CW Waveform Shaping
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A 3 Band QRP CW Transceiver
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The W3DZZ antenna
Graham King G3XSD |
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Loop Antennas
Glyn Thomas M0GXT Paul Wilton M1CNK |
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14/21 MHz Trap dipole
Graham King G3XSD |
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Multi-Band Magnetic Loops
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Practical usage of MMANA-GAL for antenna modelling
Graham King G3XSD |
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Enigma: The code and its cryptanalysis, a broad overview of the Allied effort to decipher ENIGMA traffic before and during WWII
Waterfall Bandmap video in N1MM
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Waterfall Bandmap/N1MMplus used in the 'normal way'
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How to configure and use N1MM+ when starting 80m CW club contests
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How to configure and use N1MM+ 80mCW club contests
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Steppir user/installation guide |
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Improving an antenna
A brief talk on how Paul M1CNK improved a G7FEK antenna using a novel way to compare it's true performance against a reference antenna. Presented 14 April 2023 |
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Noise assessment for Field Day Site choice
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Ionograms and Ionosondes
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A WiFi link from remote nanoVNA
Duncan Keith G3RQF
A talk about using a laptop and a Pi zero W to
obtain and bigger and more comprehensive
screen size together with improving the robustness
and stability of SMA connectors in a field-working context
| nanovna-wifi_lecture_.pdf |
Getting Started on HF
Ken Hastie G4DKH and Graham King G3XSD/G5T
A talk about starting off on HF specifically aimed at those
wanting to venture onto HF for the first time.
Ken Hastie G4DKH and Graham King G3XSD/G5T
A talk about starting off on HF specifically aimed at those
wanting to venture onto HF for the first time.
| brickworks_hf__antennas.pdf |
Brickworks – Dual band J-poles for VHF and UHF
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