Uploaded February 2026 | Updated September 2026, 3 weeks ago

---

This is the first video in my Signals Intelligence (SIGINT) series. To kick things off, I am starting with make sense of shortwave AM broadcasts.

SUPPORT
buymeacoffee.com/thetechprepper/membership

SHOP
shop.thetechprepper.com

GEAR
RTL-SDR v4 - amzn.to/3NXomMy
USB-A Extension - amzn.to/4koUrJs
USB-C Extension - amzn.to/4rspNB2
SMA-to-BNC adapter - amzn.to/3OnnAbI
40m EFHW (BNC) - ebay.com/itm/165867301740
AirFly Bluetooth Transmitter - amzn.to/4ahzfQS

0:00 Intro
1:50 Why Shortwave?
2:36 Equipment
4:51 Finding Stations
7:45 My Working List
10:51 Logging Information
12:54 Recording Transmissions
15:58 Sample Capture
17:18 Close

#thetechprepper #sigint #shortwaveradio