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Antenna Marine or Discone

gbee · 2010-04-01 11:21:47

All things being equal with an emphasis for 162.025/161.975 Class A:B AIS comms, which antenna would do the job best, a Discone or a fibreglass Marine?

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01-04-2010 12:21pm

#1

gbee

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All things being equal with an emphasis for 162.025/161.975 Class A:B AIS comms, which antenna would do the job best, a Discone or a fibreglass Marine?

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#2 01-04-2010 2:10pm
watty

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not a huge difference. A Discone on your Chimbly is useful TX 28Mhz to 1.2GHZ and RX slightly wider... Or a lot wider if the signal is good.

A fibre glass whip with a skinny wire up the middle *MIGHT* have 1 to 3dB more gain if it's a 5/8th rather than a 1/4. But it might need radials if on the house roof.

If it's a boat, don't even consider the Discone.

Choice of down lead vs distance to radio is nearly more important.

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#3 01-04-2010 2:13pm
gbee

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It's a house and a whip with radials 5/8th is in fact what I am looking at. Thanks for the reply

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