correct display of timing for FDMA preambles; do not send nulls after a PDU ack;

host/Host.cpp

@@ -1670,7 +1670,7 @@ bool Host::createModem()
     LogInfo("    PTT Invert: %s", pttInvert ? "yes" : "no");
     LogInfo("    DC Blocker: %s", dcBlocker ? "yes" : "no");
     LogInfo("    COS Lockout: %s", cosLockout ? "yes" : "no");
-    LogInfo("    FDMA Preambles: %u (%.1fms)", fdmaPreamble, float(fdmaPreamble) * 0.2083F);
+    LogInfo("    FDMA Preambles: %u (%.1fms)", fdmaPreamble, float(fdmaPreamble) * 0.2222F);
     LogInfo("    DMR RX Delay: %u (%.1fms)", dmrRxDelay, float(dmrRxDelay) * 0.0416666F);
     LogInfo("    P25 Corr. Count: %u (%.1fms)", p25CorrCount, float(p25CorrCount) * 0.667F);
     LogInfo("    RX DC Offset: %d", rxDCOffset);

host/calibrate/HostCal.cpp

@@ -2473,7 +2473,7 @@ void HostCal::printStatus()
                     break;
             }
         }
-        LogMessage(LOG_CAL, " - FDMA Preambles: %u (%.1fms), DMR Rx Delay: %u (%.1fms), P25 Corr. Count: %u (%.1fms)", m_fdmaPreamble, float(m_fdmaPreamble) * 0.2083F, m_dmrRxDelay, float(m_dmrRxDelay) * 0.0416666F,
+        LogMessage(LOG_CAL, " - FDMA Preambles: %u (%.1fms), DMR Rx Delay: %u (%.1fms), P25 Corr. Count: %u (%.1fms)", m_fdmaPreamble, float(m_fdmaPreamble) * 0.2222F, m_dmrRxDelay, float(m_dmrRxDelay) * 0.0416666F,
             m_p25CorrCount, float(m_p25CorrCount) * 0.667F);
         LogMessage(LOG_CAL, " - Rx Freq: %uHz, Tx Freq: %uHz, Rx Offset: %dHz, Tx Offset: %dHz", m_rxFrequency, m_txFrequency, m_rxTuning, m_txTuning);
         LogMessage(LOG_CAL, " - Rx Effective Freq: %uHz, Tx Effective Freq: %uHz", m_rxAdjustedFreq, m_txAdjustedFreq);

p25/DataPacket.cpp

@@ -839,6 +839,6 @@ void DataPacket::writeRF_PDU_Ack_Response(uint8_t ackClass, uint8_t ackType, uin
     rspHeader.encode(block);
     Utils::setBitRange(block, data, offset, P25_PDU_FEC_LENGTH_BITS);
 
-    writeRF_PDU(data, bitLength);
+    writeRF_PDU(data, bitLength, true);
     delete[] data;
 }