‰  NOW 35 WPM  ‰  TEXT IS FROM FEBRUARY 2017 QST  PAGE 34‰

A PANADAPTER FOR YOUR TRANSCEIVER OR RECEIVER  VIEW YOUR IF BANDWIDTH ON
YOUR PC, TABLET, OR SMARTPHONE USING PLUG TOGETHER PARTS AND SDR SOFTWARE.
JIM KOCSIS, WA9PYH  A PANADAPTER IS ESSENTIALLY A SPECTRUM ANALYZER THAT
CONNECTS TO THE IF OF YOUR RECEIVER AND SHOWS ACTIVITY ON THE CURRENTLY
SELECTED BAND.  AFTER INVESTING IN A SOFTWARE DEFINED RADIO SDR DONGLE,
SOME SOFTWARE, AND AN UPCONVERTER, MY TEN TEC EAGLE TRANSCEIVER NOW SPORTS
A PANADAPTER, WHICH CAN DISPLAY BAND ACTIVITY ON A PC, TABBLET, OR
SMARTPHONE.  WITH IT, I CAN SEE EMPTY SPOTS TO CALL CQ, AND I CAN SEE
ACTIVITY EVEN IF IM NOT TUNED TO A LONE STATION ON THE BAND.  ALL THE
VISIBLE SIGNALS MOVE AS I TUNE THE RECEIVER, AND SENSITIVITY IS SUCH THAT
IF I CAN HEAR THEM, THEN I CAN SEE THEM.  YOU CAN TURN YOUR PC, ANDROID TAB
LET, OR SMARTPHONE INTO A PANADAPTER BASED ON THE SDR DONGLE USING THE
RTL2832U INTERFACE AND R820T TUNER CHIPS.  USE HDSDR HIGH DEFINITION
SOFTWARE DEFINED RADIO, A FEATURE RICH PIECE OF SOFTWARE, TO DISPLAY
RESULTS ON A PC.  FOR SMALLER SCREENS, SUCH AS TABLETS OR SMARTPHONES,
OPERATING WITH THE ANDROID OS, YOU CAN USE SDR TOUCH.  THE TOTAL COST FOR
ANY OF THE THREE CONFIGURATIONS IS WELL UNDER 100.  FIGURE 1 SHOWS AN HDSDR
PRESENTATION OF THE SPECTRUM 100 KHZ ON EITHER SIDE OF THE 7R125 KHZ RADIO
DIAL FREQUENCY.  GETTING STARTED YOU MUST FIRST MAKE SURE THAT YOUR
‰  END OF 35 WPM TEXT  ‰  QST DE W1AW  ƒ