Parameter file:

call_sign
wmonr
TA
RR_12

Output:

wmonr=01507
TA=12.1
RR_12=0.0
wmonr=01417
TA=13.1
RR_12=5.1
call_sign=WDC60
TA=22.2
call_sign=44097
call_sign=9HXC9
call_sign=45022
TA=23.6
wmonr=89332
TA=-40.9
...