I believe that all of the NWS NEXRAD sites have been processed and put
out there.
The tiepoints had to be calculated from the .gfw file for the particular
site.
I believe that there was a thread some time ago discussing how to
calculate the tiepoints. It should be in the listserver history files.
73 from 807,
Richard, N6NKO
Bennett, Joe wrote:
I have a somewhat related question that I have not been able to find
the answer to to date... I have similar .geo files for the NWS radar
images that I received from another ham quite some time ago... I would
like to add another radar, have the URL, but not sure how to identify
the tie points... Any idea where to get that data?
-Joe
KA3NAM
Richard Polivka, N6NKO wrote:
Scott,
You may be looking at the wrong file on the server.
Here is the .geo that I have for that site:
#[JGX_N0R - produced from .gfw file by K1KWP - 2006-07-18]
URL http://www.srh.noaa.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif
TIEPOINT 0 0 -85.9106 35.0210
TIEPOINT 600 550 -80.7828 30.3205
IMAGESIZE 600 550
REFRESH 720
Change this line "URL
http://www.srh.noaa.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif"; to read
"URL http://radar.weather.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif";. This
directs xastir to get the picture from the load
sharing server.
Good luck,
Richard, N6NKO
Scott Nolde N4CI wrote:
I'm having a little difficulty viewing NWS maps. I've created a .geo
file in my maps/Online directory which looks like this:
URL http://www.srh.noaa.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif
TIEPOINT 1 1 -85.910617 35.020961
TIEPOINT 600 550 -80.782832 30.320491
IMAGESIZE 600 550
REFRESH 300
TRANSPARENT 0x000000000
#OPTIONAL PARAMS
GAMMA 2
#CONTRAST 0.5
#NEGATE
#EQUALIZE
#NORMALIZE
#LEVEL
#eof
It seems I'm missing something fundamental when I try to view the map.
It seems xastir doesn't fetch the map and it won't display the gif in
the same directory. My user running xastir has read+write permissions
to the online directory, also.
Can anyone point to a how-to or provide some assistance in
troubleshooting this?
Thanks much,
Scott, N4CI
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![http://www.srh.noaa.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif"](http://www.srh.noaa.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif"){kind=link}
![http://radar.weather.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif"](https://radar.weather.gov/ridge/RadarImg/N0R/JGX_N0R_0.gif"){kind=link}