 
 
The Chilton site
Latitude 51.70 N 
Longitude 358.67 E 
The Chilton ionosonde is located at the 
Rutherford Appleton Laboratory In Oxforshire.
This instrument is a Lowell Digisonde, DPS1  and it continues the sequence of 
soundings started in Slough in 1931. 
In order to make sure that the change of site did not affect the data
sequence, operation of both the Chilton and Slough ionosondes was carried out 
for over a year. Both data sets were compared, and the results of this comparison
can be found by following the link below. The Slough site closed in 1995.
More images.
The RAL Ionosondes Group  
 
 Lerwick 
Port Stanley 
11/07/97 Chris Davis