The format of the created postscript-file is simple and
direct and can be used for data handling.
Here is an example (the numbers represent (KHz and Km)):

.
.
%istKi 94 11 03 11 01 30  ionogram: Kiruna Ionogram date:  show
1000 [58 62 192 196 ] pD
1030 [58 62 ] pD
1060 [58 ] pD<
.
.
4300 [270 274 278 282 287 291 295 304 308 568 572 576 ] pD
4330 [274 278 282 287 291 295 300 304 308 313 563 568 572 576 581 ] pD
4360 [278 282 287 291 295 300 ] pD
.
.

15880 [58 ] pD
%iendIonogram
%tstKi 94 11 03 11 01 30 trraces: Kiruna Ionogram show
%trace:4
11580 [297 ] pD
%trace:3
2257 [127 ] pD
1958 [122 ] pD
1568 [127 ] pD
%trace:1
5341 [539 ] pO
4802 [318 ] pO
3305 [239 ] pO
2437 [239 ] pO
%trace:0
6029 [522 ] pX
5940 [406 ] pX
5670 [331 ] pX
5101 [293 ] pX
%tend endTraces


Trace types: (0,eXtraordinary),(1,Ordinary),(3,userDefined)
             (4,MUF for 3000km).


More delails from the author Christer Juren

Email address:  christer@irf.se
telophone:     +46 98079077

ordinary address:  Institute For Space Physics
                   Box 812

                   S-98128 Kiruna