Hey guys, is it quiz time in Jim's classroom? Personally, I could care less about the answer, so please don't hit the reply button, thereby sending it to me. Judy B
In a message dated Thu, 2 Sep 1999 5:31:24 PM Eastern Daylight Time, "james nolan" <nolan_laboratories@email.msn.com> writes:
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> West Wight Potter Website at URL
> http://www.lesbois.com/wwpotter/
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> The SWR meter that checks the boat radio, cable and antenna measures the
> standing wave ratio of the radio signal on the cable. The SWR is the ratio
> of the maximum voltage to the minimum voltage of the standing voltage wave
> on the cable. A high SWR causes the transmitter to heat up and decreases the
> transmitted signal power. The maximum and minimum voltages occur at two
> different places on the cable (related by the wavelength of the signal) and
> yet the SWR meter needs only to be inserted in one place and that place
> along the cable is not particular. How does the SWR meter know the peak and
> minimum voltages on the cable since it may not be installed at either the
> location of a peak or minimum?
>
> Jim Nolan P-19, P-15, L138T, LGYC #6