Why CTCSS and DCS Codes in Ham Radio Do Not Offer Privacy

Why CTCSS and DCS Codes in Ham Radio Do Not Offer Privacy

When operating on ham radio frequencies, many operators use Continuous Tone-Coded Squelch System (CTCSS) or Digital Coded Squelch (DCS) to filter out unwanted transmissions. While these features are useful for managing interference, they do not provide any form of privacy or encryption. In this post, we’ll explore why that is the case and what their…

Communications SOI – Part 1 – Local Comms

There are two pieces of information needed to arrange a conversation. All parties need to know when and where to meet. Local radio communications is limited by line of sight, output power, and obstacles. This means effective comms is limited to a few kilometers, lending itself very well to homestead, prepper retreat, or neighborhood needs….