(G9D06) Log Periodic AntennaUploader: Sanos 2 years ago Subscribe 6
One U-bolt is required for each boom guy. They also  provide a rigid fore-to-aft structure much like a truss, giving very strong mechanical support to the antenna elements. The foot boom version requires four turnbuckles and eye bolts. Specific U-bolt part numbers are those of McMaster-Carr Supply Co They also have the PVC rod used for two of the element insulators, closed end aluminum pop rivets, solid fiberglass and UHMW rod, eyebolts, tubing plastic end caps, and general stainless and galvanized hardware.