‰  NOW 20 WPM  ‰  TEXT IS FROM JANUARY 2016 QST  PAGE 57‰

YAESU RADIOS THERE ARE SEVERAL DIFFERENT YAESU COMPATIBLE VERSIONS.  THE
SPECS THE MFJ 939I OFFERS LOTS OF FUNCTIONALITY IN A SMALL PACKAGE.  IT
FITS NICELY IN A GO KIT OR BACKPACK BECAUSE OF ITS SMALL SIZE AND LIGHT
WEIGHT.  IT ONLY NEEDS 2 W OF RF TO TUNE, SO IT WORKS FINE WITH 5 W QRP
TRANSCEIVERS.  ITS MAXIMUM POWER IS LIMITED TO 200 W SSB OR CW.  UNDER THE
HOOD, IT EMPLOYS AN L NETWORK MATCHING CIRCUIT, A FREQUENCY COUNTER, AND AN
SWR SENSOR.  A MICROCONTROLLER DRIVES SWITCHING RELAYS THAT SELECT THE
APPROPRIATE INDUCTORS AND CAPACITORS FOR PROPER TUNING.  THE AUTOMATIC
TUNING PROCESS USES PROPRIETARY TUNING ALGORITHMS, AND THERE ARE SAID TO BE
MORE THAN 20,000 NONVOLATILE MEMORIES CONFIGURED IN EIGHT BANKS OF MORE
THAN 2500 MEMORY LOCATIONS EACH.  THE ARRL LAB VERIFIED THE TUNERS
‰  END OF 20 WPM TEXT  ‰  QST DE W1AW  ƒ