Digital Analog Radio Network

The Maxon SD-170 Series Data Radio is ideal for digital and analog development.   With a GMSK 9k6 modem and FFSK 4k8 modem available as options.   A pair of SD-170 Series Data Radio can be configured as a in-band repeater as well  as a full bi-directional crossband repeater.
Some of the features of the Maxon SD-170 Series [...]

Update: For more information regarding ARMAD 2009 results, please visit: searn.asteriskradio.net
It’s time again for Amateur Radio Military Appreciation Day (ARMAD) on 23 May 2009, here in Madison/Huntsville, AL.  We will be setting up at a new site this year.  When more information come available we will announce the site location.
The Asterisk Amateur Radio Network will be join with the Drake State [...]

FROM ANALOG RADIO mobile mode:
It is from analog HT radio mobile user, to analog base radio at QTH, to radio interface board(ULI, signallink, VA3TO, WB2REM,….), to serial port/sound card (or USB port/sound card), to D-STAR Hot-Point software, to dongle (to convert to D-STAR/ambe), back to D-STAR Hot-Point software, to remote [...]

Digital Intertie Communication Enhancement (DICE) is mobile communications package designed for interoperability between analog and digital networks as well as diverse communications systems. DICE will fit in with the Communications Transportable System (CoTS) concept for Rapid Deployment Operations (RaDeO).

Asterisk Analog Digital Network (AADN) – A project to present analog and digital concepts for interoperability. This network is being designed to handle PSTN (telephone), Internet phone (SIP and IAX2) and RF Gateway traffic.

With the continual need for flexibility in communications additional resources are being created that allow for greater interoperability between diverse systems.   Scott (KI4LKF) provides the following information regarding the development of the Dextra software packages for D-STAR:

dextra_srv runs on the Icom D-STAR repeater/gateway Linux computer.  The dextra_srv communicates with with the D-STAR repeater controller.   A [...]

1) HSMM capabilities at least in the 70cm band and even in 1.25m band.
2 ) Long range HSMM networks with data/video/voice capabilities. (With products like the Ubiquiti Networks Bullet[ubnt.com] should be able to get some decent range)
3) Low-cost Digital Interface that can plug into any radio with a data port (most new radios have [...]

Digital Voices – The Formats Presently Being Used in Public Safety and Amateur Radio
APCO P25 Phase I is the present version that is in used across the country for Digital Public Safety, the P25 “open” standard has been reworked by some manufacturers limiting some of the standardization that the P25 was hoped to present..
P25 Phase [...]

Digital Analog Radio Network
Send In Most Potentially Linkable Exchange

With the diversity of both digital and analog systems available today a way to connect them together is needed.  Through the development of Digital Analog Radio Network (DARN) methods will be presented that complete the interconnectivity and interoperability necessities.
May DARN be found as a way “to mend [...]