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An Enhanced/Permanent Amateur Radio Station Proposal L. McFadin, W5DID K. Banke N6IZW

An Enhanced/Permanent Amateur Radio Station Proposal L. McFadin, W5DID K. Banke N6IZW. http://www.ariss.org. Uses an SDR transceiver and amplifiers to provide all modes and all bands. Modular design Easily expandable Portable Dual/Cross Band capability

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An Enhanced/Permanent Amateur Radio Station Proposal L. McFadin, W5DID K. Banke N6IZW

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  1. An Enhanced/Permanent Amateur Radio Station Proposal L. McFadin, W5DID K. Banke N6IZW http://www.ariss.org

  2. Uses an SDR transceiver and amplifiers to provide all modes and all bands. Modular design Easily expandable Portable Dual/Cross Band capability New software uploadable from ground Mode/frequency selectable from ground

  3. Can be software based/controlled. Requires Ipad for local user interface. Can limit access to permitted bands via software Can connect to ISS audio/video system Can connect TNC’s, SSTV, Digital voice memory modules,DATV, etc. System suitable for DATV bandwidths. Switch for manually selecting preset modes/freqs

  4. Modes FM, SSB, packet, SSTV,DATV Uplink bands 10m, 2m, 70cm, 23cm, 13cm Downlink bands 10m, 2m, 70cm, 13cm

  5. Proposed overall Block Diagram Station Audio Packet System SSTV System Other Transmit Amplifiers Input Audio Interface RF Switch Ipad User Interface SDR Transmitter Microprocessor SDR DSP and Interface Controller SDR Receiver Wireless Audio RF Switch Station Audio Packet System SSTV System Other Output Audio Interface Receive Amplifiers Power Conditioner/ Isolator Station Power

  6. Proposed ISS Receiver Block Diagram To 2.4 GHz Circulator 2.4 GHz LNA To 1.2 GHz Antenna 1.2 GHz LNA Control Lines To 435 MHz Circulator 435 MHz LNA SDR Radio 70-6000 MHz Receiver RF Selector Switch Audio Output Interface To 145 MHz Circulator 145 MHz LNA Rx RF To 29MHz Circulator Audio Data 29 MHz LNA Up converter Serial Control Port Interface Controller

  7. Proposed ISS Transmitter Block Diagram 2.4 GHz Antenna 2.4 GHz Amplifier Bandpass Filter & Circulator Control Lines 435 MHz Antenna 435 MHz Amplifier Bandpass Filter & Circulator SDR Radio 70-6000 MHz Transmitter RF Selector Switch 145 MHz Antenna Input Audio Interface 145 MHz Amplifier Bandpass Filter & Circulator 29 MHz Antenna Tx RF Audio Data 29 MHz Dwn Conv 29 MHz Amplifier Bandpass Filter & Circulator Serial Port Control Interface Controller

  8. Tasks SDR Transmitter/Receiver module RF switching & coupling module Audio interface module Controller interface module Controller interface software Packet software

  9. Tasks (continued) Antennas RF, power, & control penetrations Power Supply Internal & External wiring Wireless remote station Integration & configuration control

  10. Issues funding need to decide who does what (hardware, software, testing, safety, etc.) frequencies Summary flexible, upgradeable, expandable Meets all ARISS requirements and ISS specifications promotes international participation

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