‰  NOW 20 WPM  ‰  TEXT IS FROM JANUARY 2017 QST  PAGE 50 ‰

USER, MDSR MAINTAINS A YAHOO USER GROUP AND ON LINE SEARCHABLE KNOWLEDGE
BASE.  LIF BILIF AND MDSR OVERVIEW THE LIF AND BI DIRECTIONAL LIF BILIF
CONCEPT UTILIZES AN EXISTING TRANSCEIVER AND EXTENDS THE OPTION FILTER PORT
VIA A CONVERTER SO THAT THE SIGNAL CAN BE PROCESSED BY A SOUND CARD.
FIGURE 1 SHOWS THE BLOCK DIAGRAM OF THE BILIF.  BY PROCESSING THE IF AND
NOT BASEBAND AUDIO, THE MDSR SOFTWARE CAN PERFORM MANY FUNCTIONS THAT MOST
TRANSCEIVERS LACK.  A SECOND CONNECTION VIA A COMPUTER CONTROL CAT CABLE IS
REQUIRED TO ALLOW CONTROL OF ALL FUNCTIONS OF THE HOST TRANSCEIVER VIA THE
MDSR SOFTWARE.  THUS, MDSR SO COMPLETELY CONTROLS THE TRANSCEIVER THAT IT
CAN BE OUT OF REACH WHILE OPERATING.  THE MOST IMPORTANT TOOLS FOR TUNING
IN WEAK SIGNALS ARE A REAL TIME SPECTRUM ANALYZER AND ON SCREEN IF DSP
‰  END OF 20 WPM TEXT  ‰  QST DE W1AW  ƒ