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Query: ISS
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Categories
- Ham Radio > Clubs > North America > USA > Mississippi
- Ham Radio > Clubs > North America > USA > Missouri
- DX Resources > Beacons > 10 GHz Beacons
- Software > ACARS
- Software > Audio Recorders
- Software > Digital Amateur Television
- Software > DX Cluster
- Operating Modes > ESSB
- Antennas > Feed Lines
- Radio Equipment > HF Transceivers > Icom IC-746
- Operating Modes > International Space Station
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- Operating Modes > NBEMS
- Technical Reference > Radio Frequency Interference
- Radio Scanning
- Operating Modes > Satellites > Real Time Tracking
- Antennas > Repair and Maintenance
- Software > RF Design
- Operating Modes > Robust Packet
- Operating Modes > SSTV > SSTV Images
- Technical Reference > Standing Wave Ratio
- Operating Modes > System Fusion
- Antennas > Theory
- Software > Voice Keyer
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Receiving Digital Amateur Television (DATV) signals requires specialized software to interface with hardware tuners and decode the video stream. The _MiniTioune_ software, developed by F6DZP, serves this purpose, providing a Windows-based application for DVB-S and DVB-S2 reception and analysis. It is designed to work in conjunction with _MiniTiouner_ hardware, enabling hams to monitor DATV transmissions, including those from the QO-100 geostationary satellite. The resource outlines the initial setup process, including connecting the MiniTiouner hardware via a high-quality USB2 mini cable and running diagnostic test software. It details how to configure essential parameters such as symbol rate (SR), FEC rate, and DVB mode for various signal sources, from domestic satellite dishes to local DATV transmitters. Troubleshooting steps for common issues like "no video displayed" are also provided, often pointing to corrupted software filters or incorrect _Auto PID_ settings. Advanced features like the Web monitor for remote signal reporting and integration with _VLC_ media player for more tolerant decoding of non-DVB compliant signals are covered. The document also references a comprehensive user guide by W6HHC for the _MiniTiouner-Express_ system, which utilizes the same software, offering further in-depth assistance for operators.
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Monitoring public safety communications, particularly fire department dispatch, presents a unique challenge as agencies increasingly move towards encrypted systems. This Broadcastify feed, originating from a _BCD396XT_ scanner situated in northern San Diego City, provides real-time audio for the San Diego City Fire Department. While it previously included police dispatch, those transmissions are now fully encrypted, a common trend impacting scanner enthusiasts and emergency services observers alike. The setup utilizes a Windows server running _Freescan_ and _RemoteFS_ for remote control, ensuring consistent operation and clear audio via a ground loop isolator. With a peak of 8,785 listeners in the last 24 hours, the feed demonstrates significant interest in local emergency traffic. Alpha tags, indicating the current channel, are generally available for premium users, enhancing situational awareness for listeners. Feed archives are maintained in 30-minute segments, allowing for review of past incidents and operational patterns, a valuable feature for those studying emergency response or simply keeping informed about local events.
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Demonstrates a LoRa APRS Tracker project featuring a comprehensive menu system for message management, weather requests, and monitoring nearby trackers. The device supports adjustable display eco mode and screen brightness, optimizing power consumption by dynamically changing processor speed from 240MHz to 80MHz. GPS beacons are encoded for efficient RF transmission, and an OLED screen displays altitude, speed, course, _BME280_ weather data, or new message counts, along with recently heard stations. Bluetooth connectivity enables operation as a TNC with Android (APRSdroid) or iPhone (APRS.fi app), providing LED and sound notifications for transmissions and received messages. The integrated BME280 module facilitates weather data display and transmission, with Winlink mail support via _APRSLink_. The tracker can switch between **three major LoRa APRS frequencies** worldwide, offering versatile global operation.
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Demonstrates the operational status and reach of the LoRa APRS infrastructure, providing a live mapping and logging service for network participants. Users can verify network coverage, monitor _iGates_, and track mobile stations, observing messages and real-time network activity. The platform offers insights into station locations and data flow within the LoRa APRS system, which is crucial for understanding the performance of LoRa technology in Automatic Packet Reporting System applications. This utility helps amateur radio operators understand where transmissions are being received and processed by iGates, and how mobile units are moving within the network. The site's analysis tools provide RF performance monitoring and metrics, enabling users to assess network efficiency and identify areas for improvement. For example, operators can see how many packets are received by specific iGates, or track the path of a mobile station over a **100 km** range, offering practical insights into signal propagation and network reliability for _packet radio_ enthusiasts.