SoundCard Packet Radio

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SoundCard Packet Radio

• Amateur Radio Club ITB
• YB1ZX

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References

• http//home.pages.de/flexnet/
• http//www.afthd.tu-darmstadt.de/flexnet/index.ht
  ml
• ftp//ftp.afthd.tu-darmstadt.de/pub/flexnet/3.3g/

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What is Flexnet?

• PC based packet radio
• Use SoundCard as modem!
• Run on Windows95 / 98.
• Written by Gunter Jost, DK7WJ from Flexnet Gruppe
  Darmstadt, Germany.
• Http//home.pages.de/flexnet/

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Devices drive by Flexnet

• Baycom Modem 1200bps AFSK
• Baycom Modem 9600bps FSK
• TNC2 with 6PACK EPROM
• SCC Modem Card
• SoundCard modem (PSA Chipset, SB / ESS).
• Etc ..

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Preparation
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Minimum Hardware Reqd

• PC 486 DX2
• non-PnP SoundCard compatible with SoundBlaster
  WSS.
• Radio Transceiver (VHF / UHF).
• PTT Circuit

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Minimum Software Reqd

• Windows95
• PC/Flexnet with SoundCard modem driver.

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Where to get it?

• http//www.afthd.tu-darmstadt.de/flexnet/index.ht
  ml
• ftp//ftp.afthd.tu-darmstadt.de/pub/flexnet/3.3g/

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Instalation
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System
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Profile
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SC
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config.sys
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During Bootup Ull see ..
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PTT Circuits
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Via COM Port
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Via Printer Port
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Via Game Port
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Instalation Test
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During Win95 Startup ..
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FlexNet Tools

• Trace
• Parameter
• AX.25 routes
• AX.25 tree view
• IP routes

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FlexNet Parameter
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FlexNet AX.25 Routes
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FlexNet AX.25 Route Tree
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Diagnostics
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Diagnostics

• Shell to DOS
• run SMDIAG.EXE from FlexNet directory

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Check Link Layer ..
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Check AX.25 Connection

• BCT.EXE ltcallsigngt
• Esc (C)onnect ltgate-callsigngt

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TCP/IP Setup ..
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TCP/IP Setup

• Control Panel -gt Network -gt Add -gt Adapter -gt
  Have Disk
• Click Browse -gt FlexNet Directory
• FlexNet IP -gt AX.25
• Click OK
• Control Panel -gt Network -gt Add -gt Protocol -gt
  Microsoft -gt TCP/IP

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Net Setup
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Add Adapter
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Browse FlexNet disk/folder
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IP Setup
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Gate Setup
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DNS
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IP Route
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Check InterNet Route
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Check InterNet Route

• C\WINDOWSgtping ltIPdestinationgt

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Ready to go ..
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Internet Application

• Microsoft Mail
• Eudora
• Pegasus Mail
• all Internet application teoritically can be used
  but it is slow through radio ..

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Thank you
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