$ aa330_gnuplot.sh < example/r4hdc_dump.txt > example/r4hdc_data.txt
$ aa330_svg.gnuplot < example/r4hdc_data.txt > example/r4hdc.svg
0 | 1-10 MHz
1 | 10-20 MHz
2 | 20-30 MHz
3 | user defined
4 | 10 m
5 | 12 m
6 | 15 m
7 | 17 m
8 | 20 m
9 | 30 m
: | 40 m
; | 80 m
< | 160 m
S # start tag
01000 # start frequency [kHz]
30000 # end frequency [kHz]
03 # frequency step ("01"-250kHz, "02"-100kHz, "03"-10kHz, "04"-1kHz)
988;064;224 # data (SWR;R;X)
...
272;038;054
E # end tag