Frequency hopping is primarily for operational security, making it harder for enemies to detect signals. SDR technology shows the jumping frequencies, but synchronization with the receiver is crucial. Both 3G and frequency hopping rely on GPS time for accurate synchronization across all stations. Tag a friend who gets it! Watch the full video 👉 https://youtu.be/MCpjWQV2Qyg #frequencyhopping #timesynchronization #opsec #SDR #GPS | Ham Radio Prep