From Realization of executive VHF antenna, which one operator - a carrier - transports to the elevation and can erect there is a difficult task. Martin DF6MH used a fiberglass construction for a system of 2 x 2 DK7ZB antennas with 7 elements. The theoretical gain of such a system is 17 dBd. More in the document http://www.nix-disco.de/misc/DF6MH-fiberglass-yagi-antenna_0p61.pdf
DF6MH ultralight DK7ZB yagi antenna system for 2m