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C463 Multiwire Broadband Dipole Antenna
(2–30 MHz)
Introduction
The C463 Multiwire Broadband Dipole Antenna is available in the following
power ratings:
Power rating
250 W PEP
500 W PEP
1 kW PEP
The antenna is designed for fixed station multi-frequency operation. These
instructions apply to all power ratings of this antenna.
There is a glossary of terms at the end of these instructions.
The C463 antenna is suitable for erection in the inverted V or horizontal
configuration. The inverted V configuration requires only one main mast,
however the horizontal configuration is more efficient. For both
configurations, a main mast height of 9 to 10 m is adequate, providing
optimal communications over a short distance (0 to 600 km). Long-distance
communications require a taller main mast of 15 m. The horizontal
configuration is recommended for this distance.
NOTE
The C463 antenna is packed completely assembled, ready for erection. The
parallel wires of the antenna are raised in the horizontal plane, regardless of
the configuration used. In some instances, the antenna is supplied with a
coaxial cable for use with the installed antenna. If you are supplying your
own coaxial cable, the connectors must be PL259 UHF-style.
© 15-00463-901 Issue 1, September 2005
Head office
Codan Limited
ABN 77 007 590 605
81 Graves Street
Newton SA 5074
AUSTRALIA
Telephone
+61 8 8305 0311
Facsimile
+61 8 8305 0411
www.codan.com.au
Codan part number
15-00463-001
15-00463-002
15-00463-003
The minimum required height of the main mast is 6 m.
Asia Pacific
Codan Limited
81 Graves Street
Newton SA 5074
AUSTRALIA
Telephone
+61 8 8305 0427
Facsimile
+61 8 8305 0410
asiatech.support@codan.com.au
EMEA
Codan (UK) Ltd
Gostrey House
Union Road
Farnham Surrey GU9 7PT
UNITED KINGDOM
Telephone
+44 1252 717 272
Facsimile
+44 1252 717 337
uktech.support@codan.com.au
Page 1 of 11
Americas
Codan US, Inc.
8430 Kao Circle
Manassas VA 20110
USA
Telephone
+1 703 361 2721
Facsimile
+1 703 361 3812
ustech.support@codan.com.au
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Summary of Contents for Codan C463
- Page 1 There is a glossary of terms at the end of these instructions. The C463 antenna is suitable for erection in the inverted V or horizontal configuration. The inverted V configuration requires only one main mast, however the horizontal configuration is more efficient.
- Page 2 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Installing a C463 antenna in an inverted V configuration The C463 antenna may be erected using the gibbet included with a Codan mast (mast gibbet), or using the gibbet included with the antenna (antenna gibbet). This gibbet may be attached to any mast.
- Page 3 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Figure 2: Inverted V configuration using the antenna gibbet a n t e n m a i n g i b b e m a s t s p a c i n g ( i...
- Page 4 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Guy ropes If the masts are guyed, the guys should not be located beneath the antenna, so that they do not interfere with the raising and lowering of the antenna. If metallic guys are used, it is recommended these be broken up with ‘egg’...
- Page 5 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Carefully separate the two halves of the antenna without cutting any plastic cable ties that hold the antenna wires in place in the packaging. Orient the antenna parallel to the intended line of installation.
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Page 6: Connecting The Coaxial Cable
C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Connecting the coaxial cable To connect the coaxial cable: Connect the coaxial cable to the balun. The coaxial cable may need to pass between the load and the antenna NOTE wire nearest the mast. - Page 7 Tighten and tie off the halyards on each stub mast, allowing a sag of approximately 200 mm in each half. Installing a C463 antenna in a horizontal configuration Figure 6: Horizontal configuration m a s t...
- Page 8 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Guy ropes If the masts are guyed, the guys should not be located beneath the antenna, so that they do not interfere with the raising and lowering of the antenna. If metallic guys are used, it is recommended these be broken up with ‘egg’...
- Page 9 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Attaching the antenna to the masts Figure 7: Masts and antenna D-shackle halyard insulator antenna mast wire rope grip pulley To attach the antenna to the masts: Pass a halyard through the insulator at each end of the antenna, then tie it off on itself.
- Page 10 C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Figure 8: Strain relief for the coaxial cable RG58 coaxial cable RG8/213 coaxial cable balun balun strain relief pin (do not overtighten nut) coaxial cable strain relief 08-01233 coaxial cable Securing the antenna...
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Page 11: Maintenance
C463 Multiwire Broadband Dipole Antenna (2–30 MHz) Maintenance The antenna should be checked every six months for wear and tear. In particular, the condition of the rope halyards should be inspected, especially in areas where the rope may have moved on the pulley. This will involve lowering the antenna. All terminations should also be checked as well as the condition of the coaxial cable.
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