ParseFloatError { kind: Invalid } on parsing data from 2007

[erikmannerfelt]

I will add more information when I know more, but running rsgpr on a dataset from 2007 fails with a confusing error. My only hunch is that it could be the parsing of the antenna field of the .rad file, which is not specified in the data:

SAMPLES:1619
FREQUENCY:505.872343
FREQUENCY STEPS:23
SIGNAL POSITION:-1.495308
RAW SIGNAL POSITION:50165
DISTANCE FLAG:0
TIME FLAG:1
PROGRAM FLAG:0
EXTERNAL FLAG:0
TIME INTERVAL:1.000000
DISTANCE INTERVAL:0.000000
OPERATOR:
CUSTOMER:
SITE:
ANTENNAS:Kropp_2
ANTENNA ORIENTATION:NOT VALID FIELD
ANTENNA SEPARATION:4.000000
COMMENT:
TIMEWINDOW:3200.412163
STACKS:4
STACK EXPONENT:2
STACKING TIME:0.064760
LAST TRACE:430
STOP POSITION:430.000000
SYSTEM CALIBRATION:0.0000859471
START POSITION:0.0000000000
SHORT FLAG:0
INTERMEDIATE FLAG:0
LONG FLAG:1
PREPROCESSING:0
HIGH:0
LOW:0
FIXED INCREMENT:0.0000000000
FIXED MOVES UP:0
FIXED MOVES DOWN:1
FIXED POSITION:0.0000000000
WHEEL CALIBRATION:2490.9000000000
POSITIVE DIRECTION:1