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Digital Voice
for
Amateur Radio
read the
REVIEW!
(thanks, QST!)

Digital Voice is here, a quiet little revolution in Amateur Radio. Will it replace SSB (and FM) the way SSB replaced AM? Some people think so. Some are afraid it will! This program will introduce you most of the flavors of Digital Voice currently in use in Amateur Radio: D-STAR and P-25 on VHF/UHF; and AOR, WinDRM and DRM-DV* on HF, with a sample of the brand new FDMDV. You'll hear what they sound like, see how they operate, and be ready for... the future. I traveled to Dallas, Alabama, Chicago, St. Louis, Washington DC, and, of course, Dayton for interviews and demonstrations from the hams who are on the leading edge of this new technology.

The complete program runs about an hour. That's a little long for some club meetings, so I've broken it up into two main segments, plus an introduction (all on one DVD):

  • Introduction - 5 minutes
  • HF Modes - 25 minutes
  • VHF/UHF Modes - 35 minutes
The DVD is extensively indexed so you can find specific topics easily.

6/13/08 Update: the program will say that D-STAR repeaters can't be linked the way IRLP/Echolink can. That is no longer true! New G-2 Gateway software, and an add-on program called DPLUS, add linking and reflector capability. D-STAR users and repeaters are now happily linking and reflecting away!

*7/24/08 Update: The Windows based DV programs - WinDRM, DRMDV, and FDMDV were briefly pulled from distribution due to a licensing issue with the codec. WinDRM and FDMDV are back with a new, open-source codec. DRMDV, little used after the better FDMDV was released, has been dropped.

watch a 6-minute preview
High quality video and full-screen options are here
on my YouTube Channel. For full-screen [on the
YouTube channel, not here] click the little
TV-shaped icon at the lower-right of the viewer




Digital Voice DVD
$22
plus shipping




  Also, QST has given me permission to post a PDF version of my article "Operating D-STAR", published in September, 2007. You can download the PDF here.
This article is © ARRL – you may download it, and link to this download, but please don't put it on your own web site or distribute it.

I can't re-print it here, but I've also written the revised VHF/UHF FM-Digital chapter in the new ARRL Operating Manual.

73,
Gary KN4AQ


K5TIT D-STAR Site
Jim McClellan N5MIJ, with the K5TIT D-STAR system on a tall building in downtown Dallas, TX
K0PFX
Mel Whitten KØPFX demonstrates the AOR digital voice modem. The inset shows the WinDRM operation screen.


LINKS to Digital Voice resources


D-STAR
HF
General

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