From the perspective of one who has come back into the VHF game after almost 40 years off the air: Many VHF yagis of old turned out to have much less gain than people thought. Computer modeling has m
I remember when I first got licensed, someone had found out that you can get better gain and F/B by REMOVING one element from Cushcraft's 11 element 2M beam and re-spacing the elements! Dino...k6rix@
There were many VHF long yagi designs developed from the 1940s through the 60s and 70s, but all the amateur designs were based on range measurements with large margins of error. The famous NBS design
What has been said so far doesn't give much help to Bob, AD5VJ, in actually designing his antenna. First, if anything I say is contradicted by GM3SEK, L. Cebik, or many others, listen to them! :) Sec