[Antennas] Discones...

Wed, 16 Jan 2002 21:47:18 -0500

Kurt how does a Discone compare to a Conical Monopole?

Dave
WA4EMR
Sterling Heights, MI

At 06:09 PM 1/16/2002 -0800, Mr. K. Rudolph, KD7JYK wrote:
>0 dBi + 0dBi = 0.  Of course it could be measured like those CB antennas!
>Anton 99 = 9.9 dB gain!!  Over a carbon resistor underwater, so in fact
>there is considerable gain to the reference!
>
>The advantage of course is the broadbandedness!  A 5/8 2m antenna with 3dB
>gain, 50 W input, 100W ERP, but limited to 2m, a 100 MHz - 2,000 MHz
>discone, 50W input, 50 W ERP, but not limited to any band.  It depends on
>your requirements!
>
>For scanners and local comms they are perfect, for long haul, chances are
>you'd use a Yagi or Helical, so a discone wouldn't be considered and cannot
>really be compared.
>
>You may use an antenna tuned to your "band", but this limits use to pretty
>much that band, you could have twelve antennas to cover the entire range of
>your scanner at twelve times the cost, not to mention co-ax, switches etc.
>
>Kurt
>
>---
>Ross Technologies Signals Intelligence Division
>Rosetta Proving Grounds
>
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