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Downloads

General

• SCS USB driver installer 2.08.24 (Windows XP and higher)
• SCS macOS USB driver (macOS 10.11 - 10.13)
• SCSupdate 2.0.0.11 (Deprecated, please use P4config!)
• SCSmail 2.3.0.1
• Easytransfer 5.30 (not recommended for new installations!)
• Alpha 4.0 - the terminal program for the PTC modems
• Using USB modems as Network modems
• PMON a PACTOR Montoring Utility for Linux
• PMON_LZH tool for Windows (needs a DR-7800 or DR-7400)
• PMON_LZH tool for Windows Source Code

P4dragon Series

• DR-7X00 Installation guide
• P4config 1.1 - a P4dragon configuration tool
• Data sheet DR-7800
• Data sheet DR-7400
• New commands in the DR-7800
• P4dragon Firmware 2.45.00 - firmware history
• Update Info for Firmware Version 1.10 - New: Auto Decoder
• Update Info for Firmware Version 1.17 - New: PACTOR Monitor
• Update Info for Firmware Version 2.00 - New: Packet Radio
• Update Info for Firmware Version 2.10 - New: Robust Packet Radio (RPR)
• Update Info for Firmware Version 2.20 - New: Complete APRS support
• Update Info for Firmware Version 2.30 - New: Long-term stability improved
• Update Info for Firmware Version 2.40 - New: General improvements
• Update Info for Firmware Version 2.42 - New: PACTOR AES-256 encryption
• P4dragon DR-7X00 with Linux

P4dragon ALE firmware

• 2G ALE and AES datasheet and prices
• P4dragon ALE Firmware 2.45.00 (all features of standard firmware + ALE capability)
• 2G ALE firmware manual
• AES manual
• Feature Licenses HowTo
• SCSchat_ALE 1.40
• SCSchat_ALE 1.40 manual
• AES-256 How To Upgrade

User support forum for P4dragon 2G ALE modem firmware option:

• P4dragon ALE firmware supporting group

Tracker / DSP TNC

• Firmware 1.7m (ZIP incl. manual and update info)
• Installation guide
• TRConfig 2.0
• Manual 1.7
• Data sheet Tracker / DSP TNC

PTC-III Series

• Firmware 4.1r for PTC-IIIusb - firmware history
• PTC-IIIusb Installation guide
• Manual 4.1 for PTC-IIIusb
• Data sheet PTC-IIIusb

PTC-II Series

• Firmware 4.1r for TRXPTC
• Technical Manual for TRXPTC
• Data sheet TRXPTC

Out Of Production Modems

PTC-II Series

• Firmware 4.1r for PTC-IIusb
• Firmware 4.1r for PTC-IIex
• Firmware 4.1r for PTC-IIpro
• Firmware 4.1r for PTC-IIe
• Firmware 4.1r for PTC-II (2 MB)
• Firmware 4.1r for PTC-II (512 k)

• Manual 4.0 for PTC-IIusb
• Manual 4.0 for PTC-IIex
• Manual 4.0 for PTC-IIpro
• Manual 4.0 for PTC-IIe
• Manual 4.0 for PTC-II

PTC Series

• Manual PTCplus
• Manual PTC (Z80)

Documents

• SCS Limited Warranty Statement
• Modem Repair Return Instructions
• PACTOR Advanced Data Compression
• PACTOR-2 Technical Description
• PACTOR-3 Technical Description
• PACTOR-4 Technical Description
• SCS Waveforms Emission Designators

Links

• DB0OHV PACTOR SCSmail server
• Robust Packet Network
• TrackOn
• Airmail
• Sailmail
• Winlink
• JVComm32 (german)
• Seaglemail & Simple32
• Mscan Meteo
• RCKRtty
• PA0NC Software (NcWinPtc)
• PAXON excellent Packet Radio software (german)
• XPWin (Note: KF7XP discontinued further development)