This broadband series of antennas covering 3 to 30MHz are designed for short to medium range transmitting or receiving applications. Polarization is horizontal and pattern essentially omnidirectional.
FEATURES / BENEFITS
These antennas, being broadband, do not require tuning, thus eliminating the need for any form of antenna tuning unit (ATU) with its associated losses.
No terminating resistors are employed and so full power is available for radiation.
The broadband feature is ideal for multi-channel or frequency agile synthesized HF radio equipment.
The antenna comprises two horizontal conical sections, the elements of which are connected in the centre to a common feed line. Either a 300-ohm balanced line, or a 50-ohm coaxial feeder with a balun option may be used to feed the antenna.
Average power rating of the standard antenna is 10kW with higher rating for special order.
Baluns are available with an average power rating of 1kW and 10kW. Higher ratings are also available.
6-8 typical (refer to graph)
Azimuth Radiation Pattern
2.0:1 typical, 2.5:1 max (refer to VSWR graph)
Maximum Power Rating
10 average, 40 PEP with balun option
N-type (1kW) 50ohm
1-5/8" EIA (10kW) 50ohm
Open wire (10kW) 300ohm
50 unbalanced with balun
Antenna Ground Dimension
33 x 75
Wind Survival Rating (no ice)
Wind Survival Rating with 10mm Radial Ice
Wind Load Comment
Material - Guys
Material - Mast
Hot dipped galvanised steel
Material - Radiators
1kW - Marine grade stainless steel. 10kW - Copper
Packed weight [kg]
Packed size [mm]
900 x 900 x 600
MS3-30/34 Mast (21m)
600 x 1200 x 3040
2800 x 100 x 100
included with antenna
920 x 660 x 570
External Document Links
Other power ratings available on request. Contact RFS.
Radiation Patterns are above average ground.
0° on azimuth radiation patterns corresponds to the reference direction shown on the antenna ground dimension diagram.