The MA5B, Small Footprint–Big Signal MA5B. Cushcraft's newest multiband HF antenna provides 5 band operation in a package small enough to mount to a tripod. The MA5B is a design that does not sacrifice ruggedness, performance and power handling for size and ease of installation. - I am delighted with the performance compared with other HF antennas I have been using! Bob Swannell, MOBYA - Thank you for making a fine quality, powerful mini beam that can fit anyones budget. Phil West, KF2WL SPECIFICATIONS Frequency, Bands: Elements per Band: Gain dBi: Front to Back Ratio dB: Sidelobe Attenuation dB: VSWR 2:1 Bandwidth, KHz: Longest Element: Turning Radius: Boom Length: Boom Diameter: Max. Wind Surface Area: Max. Power Watts PEP: Weight::
0°
0
330°
30°
-5 -10
300°
60°
-15 -20 270°
90°
° 240
120 °
150°
210° 180°
High Front To Back Ratio On 10/15/20m
10 12 2 1 5.3 2 10 0 25 25 665 >110 17.1ft (5.2m) 8.8 ft (2.7m) 7.3 ft (2.2m) 1.5 in (3.8cm) 3.22 ft2 (.3 m2) 1200 W 26.5 lbs. (12 kg)
MA5B 15 17 2 1 4.8 2 12 0 25 25 255 >100
20 2 3.6 22 25 90
•Easy To Tune No complicated gamma matches to adjust . •Low VSWR Flat response across l al 5 bands. VSWR minimum 1.2:1. •Single Feed Point Only one coaxial feed line is necessary for all 5 bands. •Rugged Construction Cushcraft’s tried and true stainless steel mounting hardware and heavy wall aluminum tubing make fora rugged, long lasting antenna. •Easy To Turn With a boom length of 7 feet and a longest element length of 17 feet, a lightweight TV rotor will do the trick.
X7
BIG THUNDER TRIBANDER
The X7 Triband Yagi is geared to set new standards in both radiating performance and mechanical reliability. Cushcraft's product development team has employed the latest computer modeling technology to achieve a superior electrical design as well as elegant new mechanical hardware and assembly techniques.
X7
Each mechanical component was designed to 100+ MPH wind survival with a 1.25 safety factor. Traps were eliminated from the high current driven elements and reflectors using the new 4L Log Cell design, which yields virtual monoband performance and maximum power handling capability. Traps are employed only in the lower current directors for increased gain and sharper pattern. The result is a truly high performance antenna which will easily handle the legal limit.
SPECIFICATIONS
X7
Frequency Coverage (Meters): Total number of Elements: Maximum Gain (dBi): @ One Wavelength
0° 30°
330°
100+ MPH Construction for Best Reliability and Long Life
60°
300°
New High Efficiency Computer Optimized Design for Maximum Gain and Ultra Clean Radiating Pattern
90°
270°
NEW 4L Log Cell Driven Elements for better VSWR Bandwidth
-20
240°
Trapless Driven Elements and Reflectors for Reliable Power Handling
210°
Interleaved Element Design for Mono-Band Performance
Azimuth
Add-on kits available for 40 Meters
Band Element Length ft. (m) Power (W) Weight Element Hardware
X740
7 MHz 41 (12.5) 2KW 20lbs. (9.1 kg)
90° 120°
R
P
30°
Boom-to-Mast
Elevation O
60°
150°
180°
C
150° 180°
Typical radiation patterns. Height: One wavelength. Frequency: 20 M
40 Meter Add On Kits
MODEL
120°
-10
O
R
A
T
I
O
N
-30 -20
-10
0°
X7
20M 15M 10M
Maximum Front to Back Ratio (dB): Number of Elements per Band: VSWR at Resonance: VSWR 1.5:1 Bandwidth (KHz): 20M 15M 10M Longest Element, ft (m): Turning Radius, ft (m): Boom Length, ft (m): Boom Diameter, in (cm): Maximum Mast Diameter OD, in (cm): Maximum Wind Survival, mph (kph): Maximum Wind Surface Area, ft2 (m2): Windload @ 80 mph, lb (kg): Maximum Power Watts PEP: Weight, lb. (kg):
Each mechanical component was designed to 100+ MPH wind survival with a 1.25 ... which yields virtual monoband performance and maximum power handling ...
MINIMALISM, METAL REFLEXIONS and linear wood are the elements of the X7 ... il progetto X7 che coinvolge con sensazioni anche te. Page 3 of 68. X7.pdf.
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