=  NOW 25 WPM  =  TEXT IS FROM FEBRUARY 2021  QST  PAGE 40 =

POSSIBLE TO THE ANTENNA INPUT AND CONVERTS THEM TO DIGITAL INFORMATION FOR
PROCESSING.  BUT UNLIKE THE IC 7300, THE IC 705 IS TASKED WITH COVERING A
MUCH GREATER FREQUENCY RANGE.  WHILE IT IS CERTAINLY POSSIBLE TO DO DIRECT
SAMPLING AT UHF AND BEYOND THESE DAYS, SUCH A HIGH PERFORMANCE DIRECT
SAMPLING DESIGN WOULD ADD CONSIDERABLE COST TO THE RADIO, NOT TO MENTION
THE ADDITIONAL POWER REQUIREMENTS.  SO, ABOVE 25 MHZ, THE IC 705 OPERATES
AS A SUPERHETERODYNE RADIO, CONVERTING THE HIGHER FREQUENCY SIGNALS TO
LOWER FREQUENCIES BEFORE SUBJECTING THEM TO DIGITAL SAMPLING.  THIS
APPROACH KEEPS COSTS IN LINE WHILE STILL OFFERING ACCEPTABLE PERFORMANCE.
PARKS ON THE AIR WITH THE IC 705 STEVE FORD, WB8IMY IF YOUVE NEVER HEARD OF
THE PARKS ON THE AIR POTA PROGRAM, YOURE MISSING ONE OF THE MOST ENJOYABLE
AND POPULAR AMATEUR RADIO ACTIVITIES AVAILABLE TODAY.  SEE THE WEBSITE AT
PARKSONTHEAIR. COM.  THE OBJECTIVE OF POTA IS SIMPLE OPERATE FROM ONE OF
=  END OF 25 WPM TEXT  =  QST DE W1AW  <