Welcome to EchoLink 101

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Welcome to EchoLink 101
Presented by Rod Ekholm Jr. KC7AAD Echolink Node
Number 24100
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Seminar Objectives

• Understanding of VoIP (Voice over IP)
• Relativity to Amateur Radio
• Uses of Echolink System
• Other 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
• Seemless 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
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EchoLink
Pros

• Friendly Windows GUI

• Usable from Computer OR Radio

• Easy configuration for RF Link or Computer user

• No Special hardware required

Cons

• VOX PTT

• No AGC

• Not able to Connect and Disconnect to and from
  Multiple stations ( RF Configuration )

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IRLP
Pros
COS / COR Activated PTT Indicator LEDs for
visual indicators May be more stable the other
OSs
Cons
Having to learn new OS Have to have 24/7
connection
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EQSO

• Multiple Chat Rooms.
• Dont 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
VA3TO
WB2REM
West Mountain
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WB2REM

• Uses Standard 1/8 Mono Connectors
• Easily Re-Programmable PIC Chip for Updates
• Nothing too Complex
• Nothing Hidden!

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West Mountain

• Standard 8 Pin Microphone connectors
• RJ-45 Modular Connector
• Switches on front panel for ON/OFF
• Nice installation presentation

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VA3TO

• Uses Standard Connectors for Interfacing
• Small breadboard area for redesigning
• Uses readily available components
• Indicator Lights for Status of Operation

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IRLP

• Status Lights for Indication of Activity
• Small design for Easy installation into housing
• Inputs and Outputs for External devices

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Setup

• 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 seemless
• Point vales given to ensure proper settings every
  time.

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Connection Statistics
Node / User List
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Questions??
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Thanks for your time and interest!! To find out
more about Echolink software, please
visit http//www.echolink.org/el
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For more info Rod Ekholm Jr. KC7AAD Kc7aad_at_compf
un.net http//www.compfun.net/kc7aad Echolink
Node Number 24100 444.125MHz ( 100.0 Hz PL
) [phone] Presentation By Rod Ekholm Jr.
KC7AAD October 2002