Balun 1..1 , 1.5KW WDB1143 for Dipole 1.8–30 Mhz

120.00

BALUN FOR CENTRE FED DIPOLE OR  NEST OF DIPOLES–MOUNT CENTRE POINT AS HIGH AS POSSIBLE -ELEMENTS IN HORIZONTAL OR INVERTED VEE  FORMATION

4 in stock

SKU: WDB1143 , FT240-43 Category:

Description

Wescom Balun for dipole 1:1-1.5Kw,  Amidon core FT240-43, Polycarbonate box ip65.

Waterproof–tough- long-lasting-low-loss-professional Balun- Individually Operationally Tested.

Model WDB1143

Freq. 1-30 MHZ

Power – 1kw (1.5kw peak)

DIGI – 500w (1kw peak)

Insertion Loss Less than 0.02db

Choke more than -30db

Spec.

Amidon core FT240-43

Silverplated wire 1.5mm

Polycarbonate box ip65

Other stuff – copper, brass, stainless steel

If for any reason you open this Balun -take great care not to damage or misplace the gasket when closing it up again-a misplaced gasket will leak.

Additional information

Weight1.0 kg
Antenna Construction

HowTo” Model 1:1 Balun – DB1143; DB1152; DB11K
This balun for standard dipole antenna.
Please check all connections when install.
Use this table when install and then tune with analyzer
Wavelength table
Band MHz λ λ/2 λ/4
160 meter 1,81 MHz 165,75 Meter 82,87 Meter 41,44 Meter
80 meter 3,6 MHz 83,33 Meter 41,66 Meter 20,83 Meter
60 meter 5,35 MHz 56,07 Meter 28,04 Meter 14,02 Meter
40 meter 7,1 MHz 42,25 Meter 21,13 Meter 10,56 Meter
30 meter 10,1 MHz 29,70 Meter 14,85 Meter 7,43 Meter
20 meter 14,15 MHz 21,20 Meter 10,60 Meter 5,30 Meter
17 meter 18,1 MHz 16,57 Meter 8,29 Meter 4,14 Meter
15 meter 21,2 MHz 14,15 Meter 7,08 Meter 3,54 Meter
12 meter 24,95 MHz 12,02 Meter 6,01 meter 3,00 Meter
10 meter 28,4 MHz 10,56 Meter 5,28 Meter 2,64 Meter
Note that the shortening factor of the wire is not included in the table. So the antenna will be about 5% shorter in reality.
Full size dipole its 1/2lambda.

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