At 11:22 PM 1/11/96 -0800, you wrote:
For what it's worth, you can use the mapping software at <http://tiger.census.gov> to find your location fairly accurately; you may need another map to locate yourself, since the streets are unlabeled. I managed to figure out that I'm currently at latitude 37.3435 degrees, longitude -121.8925 degrees. I think that's correct to within about 100 feet or so.
- Tim
Anyone with a GPS device, feel free to stop by; I'm in unit A2, and I've got homebrew in the fridge.
About 10 years ago, I bought a Loran unit from Heath, and (due to my association with some people who did laser photoplotting for PC boards) had a program written which generated a "LAT/LON" map plastic overlay. Apply over a USGS 7.5 minute map, and you can read LAT/LON directly. (It only needed to be photoplotted once, of course: positive contact printing duplicated it easily.) Only one problem: Since the width of longitude changes with latitude, a given map overlay can only be "exactly" accurate at one latitude. Still, it made estimating LAT/LON FAR easier.