June 16, 2025

A well-designed antenna feed system includes six key components: the coaxial cable (50-ohm impedance for minimal loss), connectors (e.g., N-type for durability), baluns (1:1 or 4:1 ratio for impedance matching), lightning arrestors (handling 5kA surges), grounding rods (1.5m deep for safety), and weatherproofing (sealed with silicone to prevent 90% moisture ingress). Proper cable routing (avoiding […]

To avoid common antenna feeder mistakes, ensure proper impedance matching (typically 50 ohms) to minimize signal loss, which can exceed 3 dB if mismatched. Use high-quality coaxial cables (e.g., LMR-400 for long runs) and avoid sharp bends (keep radius >10x cable diameter) to prevent damage. Waterproof all outdoor connections with self-amalgamating tape to reduce corrosion,