‰  NOW 30 WPM  ‰  TEXT IS FROM MARCH 2009 QST  PAGES 95, 96 AND 81  ‰

COPY 12 DB UNDER THE NOISE.  IT WORKS JUST FINE UNDER FM LIMITING AND I
THINK THAT IS BECAUSE THE DSP FILTERING IN THE SOFTWARE IS NARROWING THE
AUDIO NOISE WINDOW.  DOMINOEX IS ALSO A FREQUENCY SHIFT MODE, SO IT HAS
FEWER PROBLEMS WITH MULTIPATH AND ATMOSPHERIC DOPPLER DISTURBANCE COMPARED
TO PSK31 OR PSK63, AND YET IT OPERATES AT THE SAME EFFECTIVE SPEED 50 WPM
AS PSK31.  THE SIGNIFICANCE OF ALL OF THIS IS THAT THOSE THOUSANDS AND
THOUSANDS OF HAMS WHO HAVE ONLY FM TRANSCEIVERS WITH NO SSB CAPABILITY, CAN
NOW JOIN SSB OPERATORS IN CHASING 2 METER DX AND WORKING TOWARD THEIR VHF/
UHF CENTURY CLUB AWARDS.  THE KEY IS USING HORIZONTAL GAIN ANTENNAS AND AS
MUCH POWER AS THEY CAN MUSTER.  MANY MODERN FM RIGS WILL GENERATE AT LEAST
50 W OUTPUT.  THATS ADEQUATE FOR DOMINOEX 8.  ADD AN AMPLIFIER TO RUN 100 W
AND THEY WILL DO EVEN BETTER.  BEFORE THIS ARTICLE WENT TO PRESS, MORE
EXPERIMENTS WERE DONE WITH 4 BAUD DOMINOEX AND SKIP NOTES EVEN BETTER
PERFORMANCE.  YOULL FIND DOMINOEX AS PART OF THE FREE FLDIGI SOFTWARE FOR
‰  FROM PAGE 81  ‰
RX0AW 503,004 C B KG6DX 327,960 C C North America 5H3EE 22,176 A C RX9SA
1,673,606 C C ZL2BR 252,963 C C VP9/K9ZO 456,720 A B D4C 2,595,486 B B UP4L
‰  END OF 30 WPM TEXT  ‰  QST DE W1AW  ƒ