I write about the electromagnetic spectrum as a battlefield domain, translating complex physics, sensing, communications, and electronic warfare concepts into practical lessons for modern military leaders.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 58 | Founded | a year ago | Last Issue | 11 days ago |
| Active | |||||
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ems2025.substack.comLatest Issues
Striking Logistics Is Only Half the Fight
I believe Ukraine’s attacks on Russian logistics deserve more attention than they are getting. Ukraine’s campaign has moved from ammunition depots and oil refineries to the transportation systems connecting them, and I don’t think we talk a...
Spectrum Quest Privacy Policy (APP)
Spectrum Quest Privacy Policy
Effective date: September 19, 2026
Spectrum Quest is an educational electromagnetic-spectrum game developed by Derek Bartlett. This Privacy Policy explains what information Spectrum Quest uses, how that...
Sensor Fusion: Combining the Picture Without Faking the Certainty
In last weeks article, I covered how the dot on a radar screen becomes a track. A radar produces detections; tracking software is designed to tie the possible targets together. By the time the Soldier sees the track, much of the uncertainty...
That Dot on the Screen Is Not a Target
Since I have been writing about radars over the last few weeks, I realized I have been using detection and track as synonymous terms (thanks to all the engineers keeping me honest). Once either of these two terms appears on a radar screen,...
The Radar That Never Transmits
At the end of last week’s Substack article, I reached the limit of my understanding when it came to passive radar.
Passive radar is different from active radar because it does not generate its own electromagnetic energy. Instead, it uses e...
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Authors
The writers behind this newsletter.
Army officer writing on the electromagnetic spectrum. I translate physics, sensing, communications, and electronic warfare into practical lessons for leaders preparing for modern conflict; making the invisible battlefield visible.
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