Re: Distance measurement

On Thu, 12 Jun 2008 16:50:48 -0400, "Charles"
<charlesschuler@xxxxxxxxxxx> wrote:



"GeoSound" <logicon@xxxxxxxxxx> wrote in message
news:4851856b$0$13362$19f6ad23@xxxxxxxxxxxxxxxxxx
Trying to conger up a means to measure distance from a radio tower.
Thought that maybe one could capture the time of reception of the direct
wave then from a reflected wave at known distance from the antenna doing
the direct capture measure the difference (shift) to know the distance
from the tower. Without a unique signature, I am presuming that a
computer program could be written to find where the 2 signals should have
matched in order to find the difference. Is this a viable idea or have I
slipped over the edge or forgotten basic physics? Dale

Portable GPS might be easier. Accuracy is very good these days and the
units are affordable and useful for other things.


Actually if you know the location of the transmitter and the
destination, any good GIS software will tell you the straight line
distance.
.

Relevant Pages

  • Re: Distance measurement
    ... Thought that maybe one could capture the time of reception of the direct ... wave then from a reflected wave at known distance from the antenna doing ... Since "towers" are almost always stationary, ...
    (sci.electronics.design)
  • Re: looking for suitable Mak for distant digiscoping
    ... I am trying to capture a family of Eagles from a distance of 500 feet or slightly more. ... I have a C90 and I tried to capture the family using a 14 mm wide angle eyepiece with afocal projection into a digicam, but the results have been poor. ... I'm using a heavy duty tripod and have shot a couple of hundred images at various focus settings, both auto and manual but the images remain soft and fuzzy. ... Some experiments from my backyard on stationary objects at the same distance also seem to show the fuzziness. ...
    (sci.astro.amateur)
  • Re: Distance measurement
    ... Thought that maybe one could capture the time of reception of the direct ... wave then from a reflected wave at known distance from the antenna doing ...
    (sci.electronics.design)
  • Re: Distance measurement
    ... Thought that maybe one could capture the time of reception of the direct ... wave then from a reflected wave at known distance from the antenna doing ... Since "towers" are almost always stationary, ...
    (sci.electronics.design)
  • Re: Distance measurement
    ... Thought that maybe one could capture the time of reception of the direct ... wave then from a reflected wave at known distance from the antenna doing ... I know you can measure the distance to the reflector that way, ...
    (sci.electronics.design)
Quantcast