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Presented by Rod Ekholm Jr. KC7AAD Echolink Node Number: 24100 - - PowerPoint PPT Presentation
Presented by Rod Ekholm Jr. KC7AAD Echolink Node Number: 24100 - - PowerPoint PPT Presentation
Presented by Rod Ekholm Jr. KC7AAD Echolink Node Number: 24100 Seminar Objectives Understanding of Hardware VoIP (Voice over IP) Requirements Relativity to Amateur Radio Using Echolink Uses of Echolink System Resources Other
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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
Sound Card Microphone Speakers Sound Card COM Port Mic Input Speaker Output Computer Interface Radio Interface EchoLink Windows Based Sound Card Parrallel Port Mic Input Speaker Output Computer Interface ONLY!! IRLP Linux / UNIX Based Sound Card COM Port Mic Input Speaker Output Computer Interface Radio Interface EQSO Windows Based IP Based Software VoIP System
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EchoLink
Friendly Windows GUI Easy configuration for RF Link or Computer user Usable from Computer OR Radio No Special hardware required VOX PTT No AGC Not able to Connect and Disconnect to and from Multiple stations ( RF Configuration )
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IRLP
COS / 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
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- Uses Standard 1/8” Mono
Connectors
- Easily Re-Programmable
PIC Chip for Updates
- Nothing too Complex
- Nothing Hidden!
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- Standard 8 Pin
Microphone connectors
- RJ-45 Modular Connector
- Switches on front panel
for ON/OFF
- Nice 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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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
- ther 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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For more info:
Rod Ekholm Jr. Rod Ekholm Jr. KC7AAD KC7AAD
Kc7aad@compfun.net http://www.compfun.net/kc7aad
Echolink Node Number 24100 444.125MHz ( 100.0 Hz PL )
(509) 468 (509) 468 (509) 468-
- 7057