1. EchoLink: A new way to "Ham it up"
Ken Adkisson
WB4FAY
10/14/2018

2. What is EchoLink?
Computer Software that lets you “talk” to other hams all over the world
Uses existing computer hardware
Only needs a microphone and speakers
Runs on virtually any computer
Only needs an internet connection
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3. Description EchoLink uses VoIP technology
Talk in real time with other hams as clearly as if you were on the telephone
Can be used on a dial-up, DSL or Cable Modem internet connection
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4. Technical Description
Similar Computer programs
IRLP (LINUX / UNIX based)
Pal Talk
eQSO
iLink
Security
Callsigns verified prior to allowing contacts
All users logged with their internet addresses
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5. Technical Description (Cont’d)
Original i-Phone technology re-worked for ham radio usage
Station list shows who is connected and type of station
Can be used computer to computer, computer to radio, or radio to radio (through computers)
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6. Getting Started Download software
Install software
Run software and enter user information
Specify Single-User Mode
Enter Callsign, Name, QTH, address
Allow callsign to be verified (could take up to an hour or so during busy times)
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7. EchoLink Getting Started
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8. Using EchoLink
When loaded the main program window will show all online stations
List will show three types of stations
“-L” or “-R” stations (top section of list) are stations that have either Repeaters or Link radios connected to them
Normal callsign stations are stations using computer only (no radio interface)
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9. Establishing a connection
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10. iLINK Interfaces for radios
Interface boards connect to your computer and radio
The SYSOP mode of the software controls looks for the presence of the interface board
The interface controls the radio’s PTT to transmit received internet audio over the air and has PTT timeout protection
The radio’s receive audio is sent back over the internet creating a Gateway `
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11. EchoLink – over the air In Birmingham: 147.280 (+)
Begin all commands with “#”
Start Random Links
End user: # 0 0
Link or Repeater: #01
Disconnect: # #
Request ID: # *
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12. EchoLink Interface Boards
WB2REM Interface Board
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13. iLINK Interface Boards (cont’d)
VA3TO iLINK Interface Board
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14. Typical Interface Board Hook Up
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15. WB4FAY-L
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16. WB4FAY-L
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17. WB4FAY-L
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18. Additional Information
EchoLink group at yahoo.com
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