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Topic: EDACS

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	EDACS - Wikipedia, the free encyclopedia
		EDACS stands for The Enhanced Digital Access Communication System, a radio communications protocol and product family invented in the General Electric Corporation in the mid 1980s.
		The EDACS system continues to be sold, and supports a sizable portion of the market today for the public safety, public transit, and industrial two-way radio communications field.
		EDACS was developed in competition with Motorola's Smartnet trunking system.
	en.wikipedia.org /wiki/EDACS (448 words)

	M/A-COM Wireless Systems EDACS Products
		EDACS (Enhanced Digital Access Communications System) is a high-performance, feature rich, group-oriented critical radio communications system available in VHF, UHF, 800 and 900 MHz frequency bands.
		With its unique architecture that ensures continued uninterrupted operation, EDACS is recognized as a reliable, fault tolerant, trunked two-way radio communications system.
		To provide flexible and efficient wide-area network operations, EDACS is offered in multisite, simulcast, and combined configurations, and is also capable of carrying voice and data on a single system.
	www.macom-wireless.com /products/pve/edacs.asp (107 words)

	Jim Robbins: Radio: South Brunswick's Trunked Radio System
		EDACS has the "GE Jingle." After most transmissions, the repeater broadcasts a series of 5 beeps of constant pitch and frequency (a few systems reportedly mimic the "We Bring Good Things to Life" (registered, GE Corp) jingle).
		The most-hated distinguishing characteristic of EDACS is the anti-scanner (or scan defeat) tone.
		It is believed that EDACS trunked radios open the squelch completely to receive the control channel, but require a signal to break the squelch threshold to receive regular communications.
	www.jim-robbins.com /radio/sb800mhz.html (3007 words)

	Ericsson's EDACS Trunking
		EDACS operates in VHF, UHF, 800, and 900 MHz bands, and is used by private businesses as well as public safety organizations.
		EDACS uses 11 binary digits (bits) to identify a talkgroup.
		Each EDACS system may divide these bits up differently, but the most common arrangement for public safety agencies is four bits for the Agency, four bits for the Fleet, and the remaining three bits for Subfleet.
	www.signalharbor.com /ttt/00apr (946 words)

	Trunking the EDACS way
		Working channel/control channel In an EDACS system, the channel assigned to handle the unit-to-unit traffic is referred to as a working channel.
		EDACS, however, is able to route "late arrivals" to the proper working channel because the supervisory data on the outbound control channel is repeated continuously.
		Under certain conditions, however (such as an important dispatch or emergency call), it may be desirable to dedicate a channel to a particular group for a short period of time.
	mrtmag.com /mag/radio_trunking_edacs_2 (1615 words)

	EDACS Trunked Radio subscriber service in Trinidad and Tobago
		EDACS (Enhanced Digital Access Communications System) is a high-performance, feature rich, group-oriented critical radio communications system.
		To provide flexible and efficient wide-area network operations, EDACS is a multisite system capable of carrying voice and data on a single system.
		EDACS with state-of-the-art voice coding techniques provides the best possible audio quality and security in two-way radio systems.
	www.caribel.com /edacs.html (98 words)

	COM-NET/ERICSSON EDAC 800 MHz TRUNKED RADIO SYSTEM FAQ
		EDACS systems currently supports a max of 2,047 talk groups or virtual channels, a max of 16,382 individual Logical ID's (LID).
		EDACS systems are able to connect a user to the telephone system.
		EDACS systems are also capable of transmitting in Ericsson Aegis Digital Mode.
	home.cfl.rr.com /scanner/trunk.htm (1290 words)

	EDACS (Site not responding. Last check: 2007-10-11)
		This posting gives a rather sketchy summary of the operation of Ericsson GE's EDACS trunked radio control channel, describes an op amp interface that connects between your PC compatible's serial port and your radio scanner's discriminator, and lastly includes a C program listing that decodes and displays the trunked radio system activity on your screen.
		The exact use of the status bits are at present unknown to the me. The basic call type in an EDACS system is a group call, although individual radios IDs can also be sent for such tasks as a phone patch.
		First, the EDACS system refers to channels in the trunked system by logical channel numbers which cannot be directly converted into megahertz.
	users.netropolis.net /maverick/Scanners/edacs.htm (2026 words)

	Easier to Read BC246T Manual (Site not responding. Last check: 2007-10-11)
		When you program a Motorola or EDACS frequencies into the scanner, one frequency is the data channel, and the rest are the frequencies shared by all the users.
		The data is continually transmitted to the field units and has a sound similar to listening to a boat engine over the phone (in manual mode; you won't hear this when you are trunking the system).
		EDACS IDs are displayed in two formats: AFS and Decimal.
	marksscanners.bravehost.com /246/246.html (5530 words)

	RadioComms Online : feature articles
		EDACS (Enhanced Digital Access Communications System) is a group-oriented critical radio communications system available in VHF, UHF, 800 and 900 MHz frequency bands.
		Rayner says that it was clear that if it lived up to its promises, the existing EDACS network would be everything the NRC required, at least throughout Victoria and parts of New South Wales.
		The EDACS network has a lot of capacity and we realised that partnering with the NRC would allow us both to expand our businesses," he says.
	www.radiocomms.com.au /radiocomms/feature_article/item_052004a.asp (1171 words)

	How to guide for Scanning EDACS systems (Site not responding. Last check: 2007-10-11)
		You are now in EDACS programming mode, and in the bank you selected (Bank 1 in this case).
		You have now selected the EDACS bank and, until the next step, the scanner is in conventional scan mode.
		But, assuming it locks as it should, the display will show a line of dashes when the system is idle, and talkgroup codes when they are active.
	radioscanning.wox.org /Scanner/tips_FAQ/how_to_guide_for_scanning_edacs_.htm (1009 words)

	Aurora, Colorado selects M/A-COM to Provide Critical Public Safety Communications System
		Aurora joins several other Colorado areas currently utilizing M/A-COM's EDACS technology, including the City and County of Denver, Denver International Airport, West Metro Fire Protection District, Rocky Flats, and the Cities of Lakewood, Westminster and Arvada.
		The StarGate Controller is an advanced radio communications controller that links EDACS systems to create a single, seamless network supporting up to 240 trunked radio systems.
		EDACS' history of compatibility and software upgrade ability with our existing Aurora area customers were key factors in this decision." About M/A-COM M/A-COM, Inc., a unit of Tyco Electronics, is a leading supplier of critical communications systems and equipment for public safety, utility, federal and select commercial markets.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=105&STORY=/www/story/07-30-2002/0001774431 (614 words)

	Tusa Consulting Services (Site not responding. Last check: 2007-10-11)
		EDACS Data Gateway, with 16 duplex data modems (Year 1999).
		Interoperability with St. Tammany Sheriff’s Office and Harrison County Police, Fire and EMS is inherent with same-system EDACS architecture.
		An EDACS integrated multisite controller (IMC) allows these three systems to map talkgroups into what appears to be a single, wide area system.
	www.tusaconsulting.com /attachment1.htm (759 words)

	Advantage System
		EDACS ADVANTAGE is a complete 3 or 5 channel
		EDACS ADVANTAGE is equipped to handle both voice and
		EDACS options can be added: upgrade to Level 1, add consoles,
	www.twowayradio.net /html/body_advantage_system.html (190 words)

	[No title]
		--------------------------------------------------------------------- EDACS Control Channel Information Modulation : It looks like GMSK (Gaussian Minimum Shift Keying) which is basically the same thing as two level FSK keying except that the data stream is passed through a low pass filter before modulating the carrier.
		The exact use of the status bits are at present unknown to the authors.
		The basic call type in an EDACS system is a group call, although individual radios IDs can also be sent for such tasks as a phone patch.
	www.jim-robbins.com /radio/edacs1.txt (2692 words)

	G/Trac Communications - Scanner Trunk Tracking (Site not responding. Last check: 2007-10-11)
		EDACS GUIDE Fast reference to many EDACS frequencies, talkgroups and maps.
		ABOUT EDACS TALKGROUPS Some things that you should know about EDACS talkgroups for efficient scanning.
		EDACS stands for "Enhanced Digital Access Communications System", and is a registered trademark of Ericsson Corporation.
	gtrac.ztn.net (173 words)

	Statewide Law Enforcement Radio System (Site not responding. Last check: 2007-10-11)
		Final preparations for EDACS will be completed at the Miami, Lake Worth and Orlando Regional Communications Centers, the Fis h and Wildlife communications center in West Palm Beach and the University of Central Florida.
		Preliminary coverage testing of the new EDACS system is continuing, both on- and off-shore.
		The project began with the deployment of EDACS in Phase 3 (Collier County northward to Citrus County) in February 2003.
	eits.myflorida.com /slers (3182 words)

	Harrison County is using a M/A-COMM Erricson EDACS trunked radio system, with every public safety agency in the entire ...
		Harrison County is using a M/A-COMM Erricson EDACS trunked radio system, with every public safety agency in the entire county on it.
		Below you'll find the required Logical Channel Numbers (LCNs) for this system, as well as a list of CONFIRMED talkgroups which are listed by their AFS (Agency/Fleet/Subfleet) code, generally the id you'll see on your display when the talkgroup is active.
		It doesn't matter what bank you use, but that you start it with the first channel, not the 000 or 100, or 500 channel, but 001, 101, or 501 channel.
	www.nexusradio.us /freqs/harrison.htm (457 words)

	EDACS Systems and Palm Programs
		For those readers that missed the April column, the EDACS Security Key (ESK) is a new product that M/A-COM is promoting as an add-on to their EDACS and ProVoice trunked radio systems.
		The first digital voice format for EDACS was called "Voice Guard" and was introduced in the mid-1980's.
		DES is more than 20 years old and with the tremendous increase in computing power since then it has been shown to be vulnerable to "brute force" attacks on its relatively short 56-bit key.
	www.signalharbor.com /ttt/02jun (1756 words)

	ETRUNK Documentation
		Because EDACS system IDs are limited in size and not necessarily unique in an area, it may be necessary to run ETRUNK from a different directory for each system you monitor.
		Because EDACS systems do not utilize standard bandplans, it will be necessary to manually identify all frequencies associated with the EDACS system and update ETRUNK's data files with the LCN to Frequency mapping.
		Since these identifiers may not be unique within a geographical area, it may be necessary to keep a working directory for each unique EDACS system you monitor, and it will probably not be practical to jump from one system to the next without stopping Etrunk.
	www.kb9ukd.com /trunker/ETRUNK.HTM (850 words)

	GE Ericsson Edacs 300P IS Nicad Radio Battery
		Replacement radio battery for the GE Ericsson Edacs 300P two-way radio.
		This battery is tested to exceed the original manufacturer's specification for quality, capacity, and safety.
		Always be sure to completely charge up your GE Ericsson Edacs 300P IS Nicad Radio Battery before and after using it.
	www.batteryuniverse.com /catalog/ge_ericsson_edacs_300p_is_nicad_radio_battery_4426793.htm (206 words)

	EDACS RADIOS SYSTEM (Site not responding. Last check: 2007-10-11)
		This has been written by me to assist others in listening to the EDACS system in Tasmania, please note that if you use this information for illegal actives or you pass on to other people what you hear you can get in to trouble, so please use this information for personal use only.
		The next thing I think you should do is turn on ICALLS, this is where a radio can call another radio and only the two radios can receive what is been said, The police use these a lot and they are quite interesting some times.
		At all times just follow the operating guide and have fun with it, the more you read the book and listen to the system the more you will learn and understand it.
	www.geocities.com /tanger32au/edacs (775 words)

	PRO-93 (200-0523) and PRO-95 (200-0525) Tutorial: How to Program EDACS Trunking Frequencies
		The only difference between the PRO-93 and the PRO-95, is the number of channels each has; the PRO-93 having 300 channels and the PRO-95 having 1000.
		This is a tutorial for programming EDACS trunking frequencies into your PRO-93 or PRO-95 Scanner.
		This sets the talk group ID decoding method to be used for the bank.
	support.radioshack.com /support_electronics/doc67/67344.htm (203 words)

	VDV Media Corporation-Press Release 05-12-04 (Site not responding. Last check: 2007-10-11)
		VDV Media is now a distrubutor for EDACS (Enhanced Digital Access Communication System) M/A Com products.
		EDACS is a high-performance, feature rich, group-oriented critical radio communications system available in VHF, UHF, 800 and 900 MHz frequency bands.
		This new partnership allows VDV Media to offer its costumers the wide-range flexiblity in the trunked two-way radio communications field.
	www.vdvmedia.com /Data/PR_05-12-04.HTML (177 words)

	Scanner Frequently Asked Questions - TrunkTracking Scanners
		I can't scan an EDACS system, and I know the frequencies are right.
		Answer: With an EDACS system, the frequencies have to be in a particular order.
		Also, unless indicated otherwise in the scanner's manual, you should not mix other frequencies in the same bank as the EDACS frequencies.
	support.radioshack.com /support_electronics/doc66/66369.htm (3687 words)

	PRO-96 FAQ (Site not responding. Last check: 2007-10-11)
		The preliminary Operator's Manual that was submitted to the FCC only describes EDACS systems in non-specific terms.
		In fact it states that, "EDACS systems are used primarily by business or private communications service providers," indicating that the PRO-96 manufacturer believes there is less demand for EDACS monitoring than Motorola monitoring.
		Since the manual doesn't specify 'narrowband EDACS' it is unlikely that this type of system will be supported.
	members.cox.net /pro-96/faq.htm (443 words)

	M/A-COM MRK Portable Radio (Site not responding. Last check: 2007-10-11)
		ID/Emergency and TYPE 99 decoding, or for EDACS trunking.
		With EDACS, the M-RK provides all the benefits of the fault tolerant design, plus the added security of the emergency button that provides immediate signalling including user ID to alert dispatch center and group users.
		In addition, the M-RK supports a long list of enhanced EDACS features, making this portable extremely flexible and capable of meeting diverse customer requirements.
	www.directechnology.com /cne/mrk.htm (268 words)

	IP\|Radio - Catalyst Communications Technologies, Inc.
		Change Groups: IPRadio allows the PC user to change the EDACS® group or conventional channel on each fixed mobile radio.
		Change Systems: IPRadio allows the PC user to change the EDACS system or set of conventional channels on each fixed mobile radio.
		View Emergency Indication: When an EDACS radio declares an emergency, the IPRadio display turns red and indicates the emergency status.
	www.catcomtec.com /content/view/43/75 (471 words)

	Government Systems (Site not responding. Last check: 2007-10-11)
		We installed a five-site GPS simulcast EDACS system for the Parish Sheriff.
		Replaced all EDACS radio repeaters with new MASTR III repeaters.
		System turn-up and commissioning of a ship-wide EDACS radio system.
	www.kci-dfw.com /government.htm (209 words)

	Comtrex Communication Inc.: Shopping Cart
		Antennas for M/A COM/Ericsson/GE EDACS 300P Series in the Low-Mid Band (27MHz-88Mhz).
		Antennas for M/A Com/Ericsson/GE EDACS 300P series in the VHF (110MHz-174/229Mhz) band.
		Antennas for M/A COM/Ericsson/GE EDACS 300P series in the UHF (400MHz-512Mhz) band.
	www.fortune3.com /comtrexusa/showall-13067.html (57 words)

	Uniden Remote Scanner Control Protocol for BC895XLT and BC245XLT Radios (Site not responding. Last check: 2007-10-11)
		The 245 does not have CTCSS while the 895 does not have an EDACS trunked mode.
		Some commands are only relevant in certain modes and will return "OK" in some circumstances and "NG" in others.
		This command is valid in trunk mode and in Edacs mode RGN sets the display to 00-00-.
	users.netropolis.net /maverick/Scanners/uniden.htm (1949 words)

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