@py6cj: Ever wondered how a guy-free crank-up tower actually lifts itself? This is a Tashjian TM-370HD, and what you’re watching here is the internal pulley and lift system doing its job as the tower extends. Video of: https://www.facebook.com/share/1FQzhe6E1D/?mibextid=wwXIfr #HamRadio #AmateurRadio #RadioAmador #eletronic #py6cj