Momobeam MB9 12/17/30 Antenna for Warc Bands

The MB9 12-17-30 is a big and solid fullsize antenna for the WARC bands of 10, 18 and 24 MHz. No traps or adapting systems are used to obtain maximum performance, minimun losses and best bandwidth. The feed is supplied by a single 50 Ohm cable.

The MB9 12-17-30 is a big and solid fullsize antenna for the WARC bands of 10, 18 and 24 MHz. No traps or adapting systems are used to obtain maximum performance, minimun losses and best bandwidth. The feed is supplied by a single 50 Ohm cable.

Specifications
Gain: 15.0 dBi (12m) / 13.0 dBi (17m) / 11.1 dBi (30m) *
F/B: 20.0 dB (12m) / 20.0 dB (17m) / 15.0 dB (30m)
SWR: best of 1:1.3 (12m) / 1:1.3 (17m) / 1:1.1 (30m)
Active elements: 4 (12m) / 3 (17m) / 2 (30m)
Longer element: 16,00 m
Boom Length: 6.90 m
Impedance: 50 Ohm (trough 1:1 balun not included)
Elements diameters: 25-20**-16** mm (12m) / 30-25-20**-16** mm (17m) / 40-35-30-25-20**-16** mm ( 30m)
Boom: square tube 60x60x2 mm
Hardware: Stainless steel
Wind surface: N/A
Rotation radius: N/A
Power handling: up to 10 KW
Suitable for towers with side: N/A
Weight: 54.0 Kg
Mast attack: 50 mm (higher on request)
Packing: 200x20x20 cm

* Calculated at 20m above the ground
** Thickness 1.5 mm, other diameters 2 mm

Coverage: 24/18/10 mhz
Boom length: 7 m
Elements: 9
4X 24mhz 3x 18mhz 2x 10mhz full size.…

Feed: single 50 oHm coaxial cable