Preview the waterfall signature of various digital signals and listen to the sound of the digital modes. Learn about the bandwidth requirements and why a linear transmitter path is critical to successful and correct use of many modes on the amateur bands by W1HKJ
Feeds
41370 items (41370 unread) in 11 feeds
National, regional, local & business news
(31144 unread)
-
FOXNews.com - U.S. & World (194 unread)
-
-
MSNBC.com: Wireless (897 unread)
-
Cincinnati Enquirer - Top Stories
(13307 unread)
-
Cincinnati Enquirer - Local News
(7507 unread)
-
Cincinnati Enquirer - Sports All
(6979 unread)
Amateur Radio news and links
(7967 unread)
-
ARRL Amateur Radio News
(1979 unread)
-
The DXZone.com (3334 unread)
-
HFRadio.org Propagation Center
(2654 unread)
Traffic & weather
(2259 unread)
The DXZone.com (10 unread)
-
Sights and Sounds of Digital Signals
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Operating Modes
Preview the waterfall signature of various digital signals and listen to the sound of the digital modes. Learn about the bandwidth requirements and why a linear transmitter path is critical to successful and correct use of many modes on the amateur bands by W1HKJ -
ARDF transmitter for 80 meters
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Operating Modes/Radio Direction Finding
The 80m TX described here is the well known ON7YD ATX-80 and timer, combined and re-engineered to fit a readily available enclosure by G3ZOI -
NBEMS
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Software/DSP
The Narrow Band Emergency Messaging System (NBEMS) for Windows is a suite of software programs designed for point-to-point, fast, error-free, emergency messaging up to or over 100 miles distant, and takes up a very minimum of frequency space on the ham bands, leaving more space for other ham activites. -
SSTVPics
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
-
EasyPal
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Software/SSTV
By VK4AES this freeware DSSTV software uses the DRM (Digital Radio Mondiale) encoding to allow the sending of image files over voice channels. This is known as Digital SSTV -
WW8GM GM Amateur Radio Club
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Ham Radio/Clubs/North America/USA/Michigan
General Motors Amateur Radio Club - WW8GM EchoLink Repeater in SE Michigan -
SEMDXA
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
-
K8DAC Saginaw Valley Amateur Radio Association
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
-
WB6BYU Tape Measure Yagi
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Operating Modes/Radio Direction Finding
A tape measure yagi antenna for 145.000 MHz suitable for ARDF -
iLocator for iPhone
Fetched: August 31st, 2008, 1:02pm EDT by The DXZone.com
Operating Aids/Grid Squares
A small application for Apple iPhone that calculate grid locator from gps, wifi or gsm cells by IW2BSQ