9 Safety and alarm system used with telescoping masts comprised primarily of overhead line detector in the nature of a built-in high voltage, electromagnetic and electrostatic field detection system and also spotlight for use in spotting obstructions; Mounting devices for microwave antennas, namely, pan and tilt positioning assemblies and accessories therefore, namely, specially adapted cases for use therefor; Portable communication antennas; Tripods, namely, a tripod with a telescoping mast feature used to elevate antennas, surveillance and target acquisition equipment in the nature of microwave antennas, cameras, and spotlights, and elevated testing equipment and carrying packs specially adapted therefor; Tripods, namely, a tripod with a telescoping mast feature used to elevate antennas, surveillance and target acquisition equipment in the nature of microwave antennas, cameras, and spotlights, and elevated testing equipment, and accessories specially adapted therefor, namely, carrying packs, guy collars, multiple mounting collars, mounting and adapter plates, and extension arms; Tripods, namely, a tripod with a telescoping mast feature used to elevate antennas, surveillance and target acquisition equipment in the nature of microwave antennas, cameras, and spotlights, and elevated testing equipment; Mounting devices for microwave antennas, namely, pan and tilt positioning assemblies and accessories therefor, namely, controllers and power supplies; pan and tilt positioning assemblies in the nature of tilting heads for microwave antennas, cameras, and spotlights; Electromechanical controls for use in controlling an extendable mast; Telescoping masts; Motorized extendable masts for supporting surveillance equipment, antennas, and wireless network repeaters; Telescoping masts for wireless aerials