I made a mistake when entering the following calls in the named files. Sorry for this, de KC1DKY
KC1DKY@KFF-0321 20170825
** WB40SS should be **
<CALL:6>WB4OSS
<BAND:3>20M
<MODE:3>SSB
<QSO_DATE:8>20170825
<TIME_ON:6>165000
<FREQ:6>14.258
<STATION_CALLSIGN:6>KC1DKY
<OPERATOR:6>KC1DKY
<MY_SIG:4>WWFF
<MY_SIG_INFO:8>KFF-0321
<SIG:4>WWFF
<EOR>
KC1DKY@KFF-2435 20170818
** WB40SS should be **
<CALL:6>WB4OSS
<BAND:3>20M
<MODE:2>CW
<QSO_DATE:8>20170818
<TIME_ON:6>184000
<FREQ:6>14.045
<STATION_CALLSIGN:6>KC1DKY
<OPERATOR:6>KC1DKY
<MY_SIG:4>WWFF
<MY_SIG_INFO:8>KFF-2435
<SIG:4>WWFF
<EOR>
** F1BMM should be **
<CALL:5>F1BLL
<BAND:3>20M
<MODE:3>SSB
<QSO_DATE:8>20170818
<TIME_ON:6>181000
<FREQ:6>14.285
<STATION_CALLSIGN:6>KC1DKY
<OPERATOR:6>KC1DKY
<MY_SIG:4>WWFF
<MY_SIG_INFO:8>KFF-2435
<SIG:4>WWFF
<EOR>