Comet VA-250 Instruction And Assembly Manual

Broadband antenna

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VA~250
Instruction and assembly manual
Thank you for purchasing the Comet VA-250 Broadband antenna. For your safety and to
get the best possible results, we recommend that you read this manual to fully
familiarize yourself with the VA-250. Also, please keep this manual in safety place for
your future reference.
No. Description
1
Matching section assembly
2
Worm cramp for Aluminum element (1)
3
Aluminum element (2) with the element attachment lug
4
Top element
5
Top element with the reduction coil
6
U bolt (w/ lock washier, nut)
7
Antenna wire : 3.5 sq.mm (10m)
8
Insulator
9
Nylon rope (5m)
10
Self adhesive tape (20cm)
Broadband antenna install a veranda

Features;

• It was compared with a usual antenna, and
the ultra wide-band property which
became stable was realized.
@ Thick base element(2mm) for heavy
duty operation.
©Utilizing stainless bolts and nuts for longer
life.
®An antenna wire kind can be used even if
Zeppelin form wire antenna is taken
because it is attached.

Before assembly;

Please make sure all parts are enclosed in
carton box as listed below.
Qty.
1
1
1
1
2
1
1
1
1

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Summary of Contents for Comet VA-250

  • Page 1 Broadband antenna install a veranda Instruction and assembly manual Thank you for purchasing the Comet VA-250 Broadband antenna. For your safety and to get the best possible results, we recommend that you read this manual to fully familiarize yourself with the VA-250. Also, please keep this manual in safety place for your future reference.
  • Page 2 Specifications; • Frequency Transmit 3.5 ~ 54MHz / Receive 2.0 ~ 90MHz Recommend antenna coupler combination • Max. Power 200 Watts ( SSB ) It is based on the power at the time of the intermittent transmit. • Impedance 50 ohms •...
  • Page 3 [ I n case of Zeppelin form wire antenna] Frequency characteristic Assembling in the wire; example figure of 7m; 1. Loosen a fixed screw in the bottom of the element attachment lug, and tighten it as the figure with the terminal of the wire.
  • Page 4 Note & Remarks on handling and driving: • Never touch or adjust the antenna while transmitting. Otherwise, severe injuries including burn may result. • When a lightning is observed, stop operating with the antenna. Don't touch a coaxial cable and so on because it is sometimes struck by electricity. •...

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