[time-nuts] Loran-C Anthorn
eb4apl at cembreros.jazztel.es
Mon Jul 12 07:31:53 EDT 2010
A word of caution here: Don't trust Google maps coordinates for any
technical / serious work, they can have errors in the 100´s meter
class. And also don't use the copyright date of the maps and images as
a time reference, they normally are older than that. If you live in an
area under urban development you can check what I mean.
Take in account that this is a beautiful thing for locating a restaurant
or a route, and can be classified as a geomarketing tool, not a
You can verify this yourself easily comparing your GPS antenna location
with the coordinates given by the program and also looking for roads,
etc. mismatches in the image seams.
I had to explain this a lot of times to guys trying to do shortcuts for
Peter Vince wrote:
> Hello Antonio,
> Looking at the aerial photographs on Google Maps, the transmitter
> building can be seen at 54.91224°N, 3.27831°W - nearer Cardurnock than
> Anthorn! Which are the actual aerial masts though, I don't know.
> Might I suggest you contact Peter Whibberley at the National Physical
> Laboratory (peter.whibberley (at) npl . co . uk) - if he can't tell
> you, he will certainly know who can!
> Peter Vince
> On 12 July 2010 00:40, <asmagal at fc.up.pt> wrote:
>> Greetings to the group.
>> I would like to have the exact (and trustworthy...) WGS84 coordinates
>> of the Anthorn Loran-C antenna. Searching the net I got at least three
>> different sets of LAT/LONG. It seems to me that exactitude is not a cult
>> anymore, except for us the nutties...
>> I would also appreciate to have the exact Coding Delay for that transmitter.
>> (Not the Emission Delay, which is known to be 27,300.00 uS).
>> Thanks in advance.
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