Or go to: http://www.usno.navy.mil/USNO/astronomical-applications/data-services/alt-az-us
enter your location and get the azimuth of the Sun for every 10 minutes so you do not have to worry as much about clouds or trees, etc. John WA4WDL ---- Daniel Schultz <n8...@usa.net> wrote: > To find true north at your QTH: > > Go to > http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-day-us > > Enter your nearest city and state into the menu > > If you prefer to enter latitude and longitude, or if you are outside of the > USA, go to > http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-day-world > > You will get a chart like this for your location: > > Thursday > 13 August 2009 Eastern Daylight Time > > SUN > Begin civil twilight 5:50 a.m. > Sunrise 6:19 a.m. > Sun transit 1:12 p.m. > Sunset 8:05 p.m. > End civil twilight 8:33 p.m. > > MOON > Moonrise 11:04 p.m. on preceding day > Moon transit 6:29 a.m. > Moonset 2:04 p.m. > Moonrise 11:44 p.m. > Moonset 3:13 p.m. on following day > > Make a note of the "Sun transit" time. Set your watch by WWV or some other > reliable time source. Drive a stake in the ground (use a plumb line to make > sure it is vertical). Go outside at the exact moment of the sun transit, at > that time the shadow of the stake (or your tower if it is vertical) will be > true north. Mark the ground at that exact time. > > Dan Schultz N8FGV > > > > _______________________________________________ > Sent via amsat...@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
