On Jun 30, 6:59*pm, "
wrote:
Was at a field day thing this past weekend. *I wasn't there when they
set everything up.
- *There were 3 antennas in use.
Basic Antenna Models
http://en.wikipedia.org/wiki/Antenna...antenna_models
The Basic Antenna
http://www.electronics-tutorials.com...nna-basics.htm
Overview of Antennas
http://www.ess.washington.edu/Space/...nnalecture.pdf
-*One very clearly was a Yagi.
http://www.jpo.go.jp/seido_e/rekishi...tsugu_yagi.htm
http://www.tpub.com/neets/book10/NTX4-32.GIF
http://en.wikipedia.org/wiki/Yagi_Antenna
- One of the others very clearly was a "vertical"
The Vertical over a Ground -aka- Marconi Antenna
http://www.midnightscience.com/_xtal/00000210.htm
http://www.electronics-tutorials.com...nna-basics.htm
http://www.hnsa.org/doc/radio/chap20.htm
- and the other one was like a wire running the
- length of the parking lot and was up about as
- high as the building - then it had a middle wire
- running in to the shack with the radio. *I was
- told that was a horizontal antenna.
Dipole Antenna, developed by Heinrich Rudolph Hertz
http://www.hfradio.ca/images/AntennaRadiate.jpg
http://en.wikipedia.org/wiki/Dipole_Antenna
http://en.wikipedia.org/wiki/Hertz_antenna
http://en.wikipedia.org/wiki/Hertz_a...netic_research
Half-Wave Dipole Antenna
http://www.electronics-tutorials.com...nna-basics.htm
http://www.electronics-radio.com/art...ave-dipole.gif
-*Isn't there more specific names for vertical and
- horizontal antennas than just vertical and horizontal??
-
- Thanks.
Shortwave Radio Listening (SWL) Newbies :
Some Antenna Basics from Marconi to Hertz to Yagi . . .
shortwave radio listening (swl) where the word 'antenna'
means more than 'pole' in italian - iane ~ RHF {pomkia}