Amateur Radio · First Principles

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Essays
Foundations (2)
Gear (1)
1. Disciplined by the Sky:
2. More in Gear →
1. Dark Mode

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Foundations Epistemology Gear

Section

9 pages

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Epistemology

Foundations

First principles explorations of RF theory — fields, waves, transmission lines, and the physics underlying amateur radio.

Gear

Equipment reviews and observations — transceivers, accessories, and anything interesting.

Antennas

Antenna design, modeling, construction, and measurement — from 160m verticals to 2m collinears.

Boatanchors

Vintage radio equipment — restoration, operation, and appreciation of classic amateur gear.

Homebrew

Building from scratch — antennas, station accessories, and RF circuits.

Instruments

Test and measurement equipment — VNAs, spectrum analyzers, and bench instruments.

Modeling

Antenna modeling with AN-SOF and related tools — simulation before construction.

Station

Building and operating the KI8JI station — shack buildout, antenna farm, and infrastructure.

© 2026 Raaj Shinde, KI8JI

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