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SCS PTC-IIIUSB unit (Pactor III)

The PTC-IIIusb allows direct connection to a USB interface of the modern notebook, and thus expands the SCS equipment program. The PTC-IIIusb is constructed using existing equipment technology and its application is to be found mainly in the connection of clients. As a speciality, the PTC-IIIusb is equipped with a transceiver control port, which allows remote control of the connected radio via software.

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€ 849,00

The PTC-IIIusb allows direct connection to a USB interface of the modern notebook, and thus expands the SCS equipment program. The PTC-IIIusb is constructed using existing equipment technology and its application is to be found mainly in the connection of clients. As a speciality, the PTC-IIIusb is equipped with a transceiver control port, which allows remote control of the connected radio via software.

The Hardware
• Fully compatible to existing software by using a virtual COM port assigned by the USB driver.
• One single connector to the HF/VHF transceiver    for all modes.
• Transceiver control for ICOM, YAESU, SGC, KENWOOD and Rohde&Schwarz, including RS232 for modern transceivers.
• Supported by Airmail/GetFax.
• Special JVCOMM32-Mode for optimum cooperation with JVCOMM32.
• Packet-Radio with 300, R600, 1200, 9600 and 19200 baud with built-in DSP.
• With two high performance processors from Freescale, the PTC-IIIusb achieves outstanding flexibility.
• Sophisticated signal processing and analyzing maintains a stable HF link even during difficult  propagation conditions.
• Temperature compensated crystal oscillator.
• 2 MB of static RAM.
• Electronic (silicon) serial number.
• Noise free HF reception by use of HF suitable construction, 6 layer multilayer board and filtering of all inputs and outputs.
• Compact SMD assembly.
• Flash-ROM for easy firmware updates.
• Dimensions: 125 W x 43 H x 138 D mm, 1.69 H x 4.92 W x 5.43 D inches.
• Weight: 450 g
• Power Supply:  +10 to +20 V DC, 300 mA max. Reverse polarity protected.
• Fuse self resetting.

PACTOR-II
• Max. 1200 Bit/s, incl. data compression.
• Automatic adaption to the channel quality in 4 speed levels.
• Bandwidth 500 Hz.
• Use of the most modern transfer mode technics: convolutional coding, Viterbi-decoder, soft-decision and Memory ARQ allows error free data transfers even with inaudible signals.
• Automatic frequency correction of ± 80 Hz.
• Automatic adaption of the radio’s transmit power to the channel quality is possible.

PACTOR-III
Like PACTOR-II, but:
• max. 5200 Bit/s, incl. data compression.
• Automatic adaption to the channel quality in 6 speed levels.
• Bandwidth 2400 Hz.

Robust HF-Packet
• Newly developed very robust modulation for HF-Packet-Radio and APRS.
• Max. 600 Bit/s.
• Automatic frequency correction of ± 250 Hz. APRS
• Fully automatic APRS-Beacon

PTC-IIIusb
The “Tracker/DSP TNC” has been designed by SCS for custom applications of transferring GPS positions and other small and reappearing sets of data from e.g. remote sensors by HF or VHF radio transmission using the new SCS "Robust-Packet" modulation. Typical applications are weather stations and the tracking of vessels, cars, trucks, containers and airplanes. The unit receives the GPS data from any external NMEA device and reports it to the host station.

Technical Data
• Universal TNC and APRS position tracker with DSP, USB-connection, output to control a switching relay (e.g. to switch the radio's power supply). NMEA input/output for GPS data, bi-coloured LED's, 4 DIP switch for the basic configuration.
• Optically isolated USB-connection to the computer, generally well filtered I/O's to avoid hum and susceptibility in HF environments. Metal case.
• Use of temperature stabilized oscillator (TCXO) for high reliablilty under all temperature conditions.
• 10..20 V DC supply power, use of highly efficient internal power regulators.
• Mini-Din connector, compatible to the usual transceiver "Packet-Connector".
• Currently implemented protocols: Generally AX.25, level 2.

Modulations
• 300 baud AFSK (old HF-Packet standard) with new developed multi-detector: The DSP automatically processes a frequency range of +- 400 Hz looking for 300 bd transmissions and receives all detected signals in PARALLEL. No exact tuning by the user is necessary any more, but always perfect reception! Very important feature for automatically operating HF APRS gateways.
• 200/600 baud "HF Robust-Packet", 8-tone PSK, 500 Hz bandwidth, automatic frequency tracking (RX) +- 240 Hz.
• 1200 baud AFSK (standard Packet-Radio) with special filtering to avoid adjacent channel interference, and degradations by AC hum.
• 9600/19200 baud direct FSK (G3RUH compatible) with optimized DC removal by the DSP.

APRS-Tracking-Mode
Position tracking mode to be activated by DIP-switch. Transmission of fixed or via NMEA (GPS) given position in free programmable time intervals in APRS format. Here the Tracker operates in "sleep mode" and just draws 15 mA of current (@ 13.8 V). Shortly before the next scheduled transmission it wakes up, switches on the radio, checks the channel for occupancies (DCD) and transmits the APRS datagram as soon as the channel is free. Afterwards the radio is switched off again and the Tracker enters "sleep mode".

• Operation modes and transmission level (audio) are adjustable by software command.
• Firmware upgrade via USB connector. Firmware stored in Flash-ROM, thus easily expandable for new operation modes with free of charge updates.
• Hostmode (compatible to all common hostmode programs like e.g. PAXON, WPP, etc.)
• KISS (compatible to all common KISS programs like e.g. UI-view).
• Small size, just 82 x 24 x 98 mm with 161 g of weight.
• Low power consumption (ca. 70 mA @ 13.8 V in regular operation and 15 mA in Tracker sleep mode).

Technical Data
• Universal TNC and APRS position tracker with DSP, USB-connection, output to control a switching relay (e.g. to switch the radio's power supply). NMEA input/output for GPS data, bi-coloured LED's, 4 DIP switch for the basic configuration.
• Optically isolated USB-connection to the computer, generally well filtered I/O's to avoid hum and susceptibility in HF environments. Metal case.
• Use of temperature stabilized oscillator (TCXO) for high reliablilty under all temperature conditions.
• 10..20 V DC supply power, use of highly efficient internal power regulators.
• Mini-Din connector, compatible to the usual transceiver "Packet-Connector".
• Currently implemented protocols: Generally AX.25, level 2.

Modulations
• 300 baud AFSK (old HF-Packet standard) with new developed multi-detector: The DSP automatically processes a frequency range of +- 400 Hz looking for 300 bd transmissions and receives all detected signals in PARALLEL. No exact tuning by the user is necessary any more, but always perfect reception! Very important feature for automatically operating HF APRS gateways.
• 200/600 baud "HF Robust-Packet", 8-tone PSK, 500 Hz bandwidth, automatic frequency tracking (RX) +- 240 Hz.
• 1200 baud AFSK (standard Packet-Radio) with special filtering to avoid adjacent channel interference, and degradations by AC hum.
• 9600/19200 baud direct FSK (G3RUH compatible) with optimized DC removal by the DSP.

APRS-Tracking-Mode
Position tracking mode to be activated by DIP-switch. Transmission of fixed or via NMEA (GPS) given position in free programmable time intervals in APRS format. Here the Tracker operates in "sleep mode" and just draws 15 mA of current (@ 13.8 V). Shortly before the next scheduled transmission it wakes up, switches on the radio, checks the channel for occupancies (DCD) and transmits the APRS datagram as soon as the channel is free. Afterwards the radio is switched off again and the Tracker enters "sleep mode".

• Operation modes and transmission level (audio) are adjustable by software command.
• Firmware upgrade via USB connector. Firmware stored in Flash-ROM, thus easily expandable for new operation modes with free of charge updates.
• Hostmode (compatible to all common hostmode programs like e.g. PAXON, WPP, etc.)
• KISS (compatible to all common KISS programs like e.g. UI-view).
• Small size, just 82 x 24 x 98 mm with 161 g of weight.
• Low power consumption (ca. 70 mA @ 13.8 V in regular operation and 15 mA in Tracker sleep mode).

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