Hi Gain Antenna - What is its best use?
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Posted by TBerk on August 13, 2008, 12:09 am
Please log in for more thread options I saw a fiberglass looking antenna, about five or six feet in length, with a metal tip on one end. I was wondering if there was a given length that would be good for certain freq. ranges, and what applications something like this might plug into. TBerk | |||||||||||||||||||
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Posted by on August 13, 2008, 1:38 am
Please log in for more thread options I hope you are wearing flame retardant. | |||||||||||||||||||
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Posted by TBerk on August 14, 2008, 2:59 am
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On Aug 12, 10:38=A0pm, m...@sushi.com wrote: >
> > I saw a fiberglass looking antenna, about five or six feet in length,
> > with a metal tip on one end. >
> > I was wondering if there was a given length that would be good for
> > certain freq. ranges, and what applications something like this might > > plug into. >
> > TBerk
>
> I hope you are wearing flame retardant. While not intentionally Trolling, I am aware i can sometimes act in the role of 'Big Spoon', stirring things up. It isn't for dramas sake, and in this case I'll try and get more info on this thing I saw in passing, perhaps post a link to picture in the next few days. TBerk | |||||||||||||||||||
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Posted by DTC on August 13, 2008, 10:28 am
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TBerk wrote: >
> I saw a fiberglass looking antenna, about five or six feet in length, > with a metal tip on one end. > > I was wondering if there was a given length that would be good for > certain freq. ranges, and what applications something like this might > plug into. Impossible to tell... Most likely you're looking at a co-linear antenna. Lower frequency antennas are longer, higher gain antenna are longer. So you might have a low frequency and low gain antenna or a high frequency high gain antenna. An 18 ft antenna at VHF 152 MHz is typically about 6 dB gain, at UHF 460 MHz about 9 dB. A 5 to 6 ft antenna at 2.4 Gig and 5.8 Gig could be anywhere from 10 to 15 dB. | |||||||||||||||||||
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Posted by C4ISRPRO on August 13, 2008, 8:11 pm
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> I saw a fiberglass looking antenna, about five or six feet in length,
> with a metal tip on one end. > > I was wondering if there was a given length that would be good for > certain freq. ranges, and what applications something like this might > plug into. > > TBerk www.advonsystems.com | |||||||||||||||||||
> with a metal tip on one end.
>
> I was wondering if there was a given length that would be good for
> certain freq. ranges, and what applications something like this might
> plug into.
>
> TBerk