Welcome to Internet Linking 101
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Transcript of Welcome to Internet Linking 101
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HAM RADIO UNIVERSITY 2003
Presentation by: Len Signoretti N2LEN
January 19, 2003
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Seminar Objectives
Understanding of VoIP (Voice over IP)Relativity to Amateur RadioUses of Echolink SystemOther alternatives using VoIP Technology
Hardware Requirements
Using Echolink
Resources
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Voice over IP•Encryption and Decryption to and from Analog and Digital Audio - Codec
•Ability to transfer audio over IP to specified IP Address
•Seamless transition of codec – AD/DA
•Vox or COS/COR
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The Future of Amateur Radio
CW – Morse Code
AM – Amplitude Modulation
FM – Frequency Modulation
SSB – Single Side Band
Digital – Packet, Pactor, Amtor, RTTY, PSK31, …
VoIP – Voice over IP
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Alternatives to Echolink
Sound CardM ic rop h on e
S p eakers
Sound CardC O M P ortM ic In p u t
S p eaker O u tp u t
C om p u te r In te rfaceR ad io In te rface
E ch oL in kW in d ow s B ased
Sound CardP arra lle l P ort
M ic In p u tS p eaker O u tp u t
C om p u te r In te rfaceO N L Y !!
IR L PL in u x / U N IX B ased
Sound CardC O M P ortM ic In p u t
S p eaker O u tp u t
C om p u te r In te rfaceR ad io In te rface
E Q S OW in d ow s B ased
I P B a sed S oftwa r e
V oI P S ystem
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EcholinkFriendly Windows GUI
Easy configuration for RF Link or Computer user
Usable from Computer OR Radio
No Special hardware required
VOX PTTNo AGCNot able to Connect and Disconnect to and from Multiple stations ( RF Configuration )
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IRLPCOS / COR Activated PTT
Indicator LED’s for visual indicators
May be more stable the other OS’s
Having to learn new OS
Have to have 24/7 connection
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EQSO
Multiple Chat Rooms.
Don’t have to be licensed ham to use.
Password Protected Rooms.
RF Links available.
Can run more than 1 VoIP application at once.
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Interfaces
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Echolink Interfaces
THE “ULI” BOARD
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oUses Standard 1/8” Mono Connectors
oEasily Re-Programmable PIC Chip for Updates
oNothing too Complex
oNothing Hidden!
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The WB2REM Interface board http://www.ilinkboards.com/
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The WB2REM\G4CDY “ULI” BOARD
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oStandard 8 Pin Microphone connectors
oRJ-45 Modular Connector
oSwitches on front panel for ON/OFF
oNice installation presentation
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Uses Standard Connectors for Interfacing
Small breadboard area for redesigning
Uses readily available components
Indicator Lights for Status of Operation
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VA3TO interface board http://www.ilinkca.com/
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WIRES II http://www.vxstd.com/en/wiresinfo-en/
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Simple PTT Comport keying circuit
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Status Lights for Indication of Activity
Small design for Easy installation into housing
Inputs and Outputs for External devices
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http://www.irlp.net/
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Parts necessary to build an r. f. gateway
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The EQSO System
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The EQSO system setup
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EQSO RF Gateway main screen
Text
Text
TextText
Text
Text
Text
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EQSO Administrative Control
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EQSO Administrative control #2
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EQSO system monitor
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Eqso conference server software
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EQSO website for software downloadhttp://www.eqso.net/
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EQSO information website http://www.eqso.org
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ECHOLINK
Familiar Look to other Applications
Easy navigation through Menus or Toolbar Icons
Help files as well as newsgroups for support
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Controls to help make audio seamless
Point vales given to ensure proper settings every time.
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The Echolink sysop window
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When a station connects
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When a station connects #2…
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Echolink system setup
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Windows sound card adjustments
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Soundcard recording properties
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Advanced recording console
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Conference servers (roundtable gathering)
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Echolink connection stats
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Echolink server setup
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Echolink setup r. f. gateway timing
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Echolink audio setup and adjustments for dialup connection
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Recording .wav welcome files for r. f. gateway
8 bit mono compression
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The “Bridge” conference server software (for echolink) by: Skip WB6YMH
***** http://CqiNet.sourceforge.net *****
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Echolink website: http://www.echolink.org/el/
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ARRL President Jim Haynie, W5JBP addresses The N2LEN 9/11 Commemorative Net
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THE ARRL NOTES 9/11 NET
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9/11 Net Makes Global News
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Globally Linked 9/11 Net Check-in List
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http://groups.yahoo.com/group/echolink/
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The End of slide presentation:
Please feel free to use this presentation at your leisure:Email: [email protected]: http://www.qsl.net/n2len/The “N2LEN” cross-linked repeater system serving the entire New York City metropolitan area.Best 73, Len N2LEN
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