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MODEL PRO-57-B40 - PRO-57-B40-3 (3"
OD BOOM)
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(Or
PRO-57-B30, e-mail
for details)
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Frequency,
MHz
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28,
24, 21, 18, 14, 7 |
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Power
Rating, watts CW
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2500 |
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Power
Rating, watts SSB
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5000 |
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Power
Rating, AM/FM
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600 |
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Power
Rating, RTTY/AMTOR
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600 |
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VSWR
at frequency
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1.0/1
to 1.6/1 |
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Forward
Gain, dBd 10 meters
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9.4 |
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Forward
Gain, dBd 12 meters
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8.3 |
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Forward
Gain, dBd 15 meters
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8.5 |
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Forward
Gain, dBd 17 meters
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8.5 |
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Forward
Gain, dBd 20 meters
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8.5 |
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Forward
Gain, dBd 40 meters
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0.0 |
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Front-to-Back
Ratio, dB 10 meters
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20 |
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Front-to-Back
Ratio, dB 12 meters
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15 |
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Front-to-Back
Ratio, dB 15 meters
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20 |
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Front-to-Back
Ratio, dB 17 meters
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23 |
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Front-to-Back
Ratio, dB 20 meters
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20 |
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Front-to-Back
Ratio, dB 40 meters
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0 |
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Boom
Length
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24
ft |
7.32
m |
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Maximum Element
Length
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44
ft |
13.41
m |
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Turning
Radius
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22
ft |
6.71
m |
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Mast
Size hardware (equipped)
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2
in |
5.08 cm |
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Assembled
weight
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98
lbs |
44.45
kg |
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Assembled
weight (3" OD Boom)
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110
lbs |
49.90
kg |
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Wind
Surface Area
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11.3
sq ft |
1.05
sq
m |
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Wind
Load, EIA Standard 80 MPH
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280
lbs |
127.01
kg |
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Warranty
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2 |
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Recommended
Coax
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Belden
RG-8 / RG-213 |
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3"
OD boom available. |
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RETURN
TO PRO SERIES
HOME PAGE
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MOSLEY
ELECTRONICS
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Sales: 800-325-4016
Technical: 636-583-8595
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Same as the PRO-57-B
plus a Rotatble Dipole on 40 Meters.
The 40 Meter element will out perform a fixed
dipole, vertical or loop antenna.
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"Have
to thank you and take my hat off to you for making
this great antenna..."
WA4AV
READ
MORE
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"It
is better than anything I have used so far on 30M
and has literally opened up the 30M world for me..."
K0AZ
READ
MORE
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UPGRADE TO THE PRO-67-B
Add a second element for 40
meters down the road. See Conversion
Kits for more details.
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2011 All Rights
Reserved.