52 Week Ham Radio Challenge 2026 - Week 47: Explore the spectrum with an SDR

Challenge for 2026-11-16 - 2026-11-22

Category: 🖥️ - Difficulty: 🟢

Explore the spectrum with an SDR

Use an SDR to explore a frequency range you rarely listen to. What did you find? From where did the signal originate? The shortwave broadcast bands are lovely to experience.

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