• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • The Feb 2025 Radioddity Giveaway Results are In! Click Here to see who won!

Reply to thread

The F.S. Function of your meter is to take field strength measurements of an antenna system while the radio it's hooked up to is keyed up. It's to map out the antenna's near field radiation pattern.

Field strength meter - Wikipedia, the free encyclopedia

CB/Ham Field-Strength and/or SWR Meter