‰  NOW 35 WPM  ‰ TEXT IS FROM DECEMBER 2008 QST  PAGES 43, 44 AND 74  ‰

ALTERNATIVELY, YOU CAN TRY YOUR HAND AT INSTALLING THE SOURCE CODE FOR THE
FREE DREAM SOFTWARE AT WWW. NSCHALL.  DE.  I CHOSE THE COMMERCIAL DRM
DECODER AND HAD TO USE THE VAC APPLICATION TO PORT THE AUDIO TO IT.  AFTER
SOME TWEAKING AND EXPERIMENTATION, I FINALLY ACHIEVED SUCCESS AS SHOWN IN
FIGURE 4.  IT IS AN ASTONISHING THING TO HEAR SUCH HIGH FIDELITY STEREO
AUDIO ON SHORTWAVE FREQUENCIES.  ENHANCED FEATURES THE PERSEUS SOFTWARE
PROVIDES SIGNAL PROCESSING CONTROL THROUGH A NUMBER OF ENHANCED FEATURES.
AGC LEVELS ARE SELECTABLE, OR THE AGC CAN BE DISABLED ENTIRELY.  THE NOISE
REDUCTION FUNCTION CAN BE SWITCHED ON AND THE LEVEL VARIED ACCORDINGLY.
UNLIKE SOME DSP NOISE REDUCTION APPLICATIONS THAT TEND TO CREATE A HOLLOW,
RINGING SOUND, THE PERSEUS VERSION IS PLEASANT TO THE EARS EVEN AT HIGH
NOISE REDUCTION LEVELS.  SPEAKING OF NOISE, THE PERSEUS ALSO OFFERS AN
IMPRESSIVE VARIABLE NOISE BLANKER.  THIS WORKED QUITE WELL, ALTHOUGH IT
TENDED TO INTRODUCE DISTORTION INTO SSB SIGNALS WHEN SET TO HIGH BLANKING
LEVELS.  SINCE IT IS ELIMINATING OR REDUCING SIGNAL SPIKES THAT REPRESENT
IMPULSE NOISE, ITS UNDERSTANDABLE THAT THE PERSEUS BLANKER WOULD HAVE THIS
‰  FROM PAGE 74  ‰
ARES NA4GC AJ4DV 859 2 30 3,452 NC San Fernando Valley ARC W6SD NN6RK 807 2
40 3,410 LAX Lake Area Radio Klub W0WTN 723 2 25 3,342 SD Alliance ARC
W8LKY 914 2 15 3,340 OH Eastern Connecticut ARA KZ1M K1MUJ 1004 2 26 3,322
‰  END OF 35 WPM TEXT  ‰  QST DE W1AW  ƒ