2. Fixed the file path issue. The user now can choose a file from a
different folder.
3. Added the center frequency as a requirement along with the Tx-Rx
distance and the trace step, as it is crucial for the DT1/HD to work
with the official Sensors Software.
4. Removed some spaces from the HD header file
5. Added more comments to the script in case anyone want to understand
the header structures.