The Communicator

Welcome to the November-December 2025  edition of the SARC Communicator, your go-to guide for all things amateur radio in our vibrant RF neighborhood. This edition is a journey across the history, innovation, and fascinating activities of amateur radio.

There are articles for all levels of amateur radio and you’re sure to find something of interest.

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Contents for this issue:

  • The Rest of the Story: RTTY and Émile Baudot’s Enduring Legacy          4
  • Radio’s Role in the 1917 Halifax Explosion            8
  • NARA NVIS Test        12
  • The Lighter Side of Amateur Radio 13
  • Repair and Repurpose          14
  • Radiofrequency and Telemetry in Insect Tracking            24
  • What’s New at DLARC — October 2025     28
  • ARDF Canada World Championship 2025 in Lithuania     30
  • Integrating SkyRoof with the Icom IC-9700           32
  • RTTY; A viable emergency digital mode?   36
  • Pile-Up Control System – Take control of the pile-up!       40
  • Satellite Tracking: Looking back on 2025, and ahead into 2026  42
  • Homebrew Mobile Antennas           44
  • The genius logic of the NATO phonetic alphabet   46
  • The North American QRP CW Club  48
  • Simple QRP 9:1 Unun Construction 50
  • The Dominator End-Fed Halfwave Antenna by KJ6ER      52
  • The POTA PERformer vertical antenna revisited   60
  • FreqBuddy: A Modern Web-Based Radio Frequency Database   69
  • Ham Radio Outside the box: PERformer modifications    70
  • A good idea for suspending radials 72
  • A Portable Power Project     73
  • Zero Retries   76
  • Margaret Atwood on CW?    80
  • When your hobby revolves around electricity…    82
  • Back to Basics – Digital Modes         86
  • Study Aids      89
  • No-ham Recipes: Meatloaf with sweet tomato-mustard sauce    91
  • Profiles of SARC members: Sheldon Friesen VE7SRF        94
  • SARC Member donates digital nautical archive     97
  • SARC 50th Anniversary the transformative role of SARC 100
  • Peter Vogel VE7AFV: Profile in Tech, Science & Amateur Radio  102     
  • SARC General Meeting minutes       104
  • The SEPAR Report    110
  • We’re back on track! 115
  • QRT: Is Amateur Radio an Old Hobby or a playground for explorers?    116
  • HAM LEFTOVERS…   118
  • A look back… at The Communicator—December 2015    120