PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
if ( vLf134 > NON_VOLTAGE )
PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
- if ( peakv > NON_VOLTAGE && peakf > NON_VOLTAGE )
+ if ( peakv > NON_VOLTAGE && peakf > 0 )
PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
if ( vHf > NON_VOLTAGE )
PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);