Information Station Specialists ANXX
25W AM Radio Antenna
Frequency range: 530-1710 kHz.
Center-loaded, vertical, whip type antenna. Vertically polarized. Omni directional (0-360). -10 dB gain. 25 watts. Anodized aluminum finish. Adjustable tip for precise tuning.
Mounts: high impact thermoplastic split type, providing 360° support to the antenna; stainless-steel studs, washers and nuts.
Temperature endurance: -40°C. to 85°C.
Wind endurance: 80 miles per hour with ¼” of ice.
Weight of the complete antenna including lower base, loading coil form, mid tip pipe and adjustable stainless steel tip: 5.4 kilograms.
Overall assembled length: varies with frequency, i.e., 297” for 530 kHz, 129” for 1700 kHz.
Tip: .022″ wall, 0.500″ OD stainless steel tubing, Type 316, Heat 150907; .625” diameter acrylic tip ball.
Mid pipe: 1.050″ OD, 0.824″ ID, aluminum Type 6063-T832 with 215-R1 black anodized finish (0.8 mil. anodic coating, standard etch).
Base pipe: 6’ long, 1.5″ OD, 1.3″ ID, aluminum Type 6063-T832 with 215-R1 black anodized finish (0.8 mil. anodic coating, standard etch).
Radiation efficiency: 24 mV/m/km; Ref 1KW: (530 kHz) to 110 mV/m/km (1700 kHz). 30′ tip height above ground on a 20’ metal support pole or tower with 50’ 32-element groundplane.
Lower antenna base: aluminum Type 6063-T832 with 215-R1 black anodized finish.
Loading coil: continuous filament glass fabric, Epoxy G-11; enameled close-wound copper wire coil; 30-mil, white vinyl shrink tubing cover.
RF exposure separation: 1 meter minimum recommended at fewer than 1000 watts – both occupational and controlled environments.
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