z time

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z time

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DX Resources : DX Maps
  • HF DXView Propagation Map - This map shows real-time radio propagation from stations operating on 11 bands between 1.8 and 54 MHz in the amateur radio service. The display shows world-wide activity from the last 15 minutes and is automatically updated about every minute. Data for the map is gathered from several online sources: WSPRnet, Reverse Beacon Network (CW, FT4, FT8), PskReporter, and DX Cluster.
    [ Hits: 299 | Votes: 5 | Rating: 7.6 ]
DX Resources : QSLing : QSL Galleries
  • The Paper Radio - In the meantime he flees, flees irrecoverable time (Virgilio) Journey into the past to discover my paper collection dedicated to radio and telegraphy
    [ Hits: 70 | Votes: 2 | Rating: 8.5 ]
Ham Radio : Clubs : Societies
  • IARU Societies Logos - A collection of IARU Member Society Logos, hanging your mouse over each logo you will see country, prefix, zones, continent & time zone
    [ Hits: 55 | Votes: 0 | Rating: 0 ]
Internet and Radio : Social Networks
  • Amateur Radio Social Network - Radio amateur social network. Here, a radio amateur can spend time together and profitably. Share interesting information or learn something new. Post photos or videos. Can create a live broadcast and go on ether, create your own page, magazine or group. And many other possibilities.
    [ Hits: 132 | Votes: 0 | Rating: 0 ]
Manufacturers : Interfaces
  • Digirig Mobile - Digirig is an open-source integrated digital modes interface for amateur radio. As a differentiating feature, Digirig only requires a single USB connection to the computer with all the digital goodness packed in a single small enclosure. The internals include a USB hub, audio codec, a fully featured serial CAT (Computer Aided Transceiver) interface, and potentially other modules such as GPS receiver for time synchronization.
    [ Hits: 148 | Votes: 1 | Rating: 2 ]
Operating Aids : Time
  • 1200z Time Explained - Military time notation is based on 24-hour clock. A time of day is written in the form hhmm, where hh (0-23) stands for full hours that have passed since midnight, mm (00-59) is the number of minutes that have passed since the last full hour. To convert hours greater then 12 to 12-hour clock just subtract 12 from the given hours and that will give you the PM time
    [ Hits: 134 | Votes: 1 | Rating: 4 ]
  • World Time Zone - World Time Zone is an online quick reference chart that displays the world time zones in detail. DST is also indicated by yellow markers on the map. UTC difference is marked with different colors, and if you point and click will show up area details
    [ Hits: 137 | Votes: 1 | Rating: 10 ]
Propagation : Resources
  • VHF APRS Propagation Map - VHF – Based on realtime APRS reports. This map shows real-time radio propagation from stations operated near 144 MHz. It uses data gathered by Automatic Packet Reporting System-Internet Service (APRS-IS) from packet stations in the amateur radio service. The map shows activity from the past hour. Paths are smoothed to create a color-coded footprint indicating the distance VHF signals are likely to be traveling.
    [ Hits: 308 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Elecraft K2
  • Elecraft K2 Preselector Modification - Although most Preselectors are designed with an internal T/R relay, theoretically enabling direct insertion between the transceiver and the antenna, there is a problem when running CW, especially when running full QSK. The switching time of the internal relay is too slow to follow full QSK. The best way to avoid this problem altogether is to insert the Preselector directly into the transceiver’s RX antenna line, thus avoiding entirely the need to switch the Preselector in and out.
    [ Hits: 182 | Votes: 0 | Rating: 0 ]
Radio Equipment : Receivers
  • Everything you needed to know about Radio Receivers and Scanners - Tuning into the airwaves for new and interesting transmissions has fascinated enthusiasts since the very earliest days of radio. As a result of advances in computer and radio technology, the equipment packed radio rooms of the past are now replaced by scanning receivers sometimes just the size of a mobile phone. What can radio receivers/scanners pick up? What types of radio receivers/scanners are there? What can and cannot be monitored legally? Best practice when using a radio receiver/scanner
    [ Hits: 178 | Votes: 0 | Rating: 0 ]
Shortwave Radio : Broadcasters : Time Signal Radios
  • MSF radio time signal - The MSF radio signal is a dedicated standard-frequency and time broadcast that provides an accurate and reliable source of UK civil time. It is available 24 hours a day across the whole of the UK and beyond. The signal operates on a frequency of 60 kHz and carries a time and date code that can be received and decoded by a wide range of readily-available radio-controlled clocks.
    [ Hits: 49 | Votes: 1 | Rating: 10 ]
  • DCF77 - DCF77 is a time signal transmitter operated by the Physikalisch-Technische Bundesanstalt (PTB). It broadcasts on a frequency of 77.5 kHz and is widely used for time synchronization in Europe.
    [ Hits: 56 | Votes: 1 | Rating: 10 ]
  • JJY - JJY is a time signal transmitter operated by the National Institute of Information and Communications Technology (NICT) in Japan. It broadcasts on two frequencies, 40 kHz and 60 kHz, and is used for time synchronization in Japan.
    [ Hits: 31 | Votes: 0 | Rating: 0 ]
  • CHU - CHU is a time signal transmitter operated by the National Research Council in Canada. It broadcasts on various frequencies and is primarily used for time synchronization in North America.
    [ Hits: 42 | Votes: 0 | Rating: 0 ]
Software : Aircraft scatter
  • AircraftScatterSharp - Aircraft Scatter Sharp is a windows application to calculate and assist airscatter operations. Real-time capture and display of plane position data derived from internet plane servers, highlighting of aircraft near the ideal position for scatter, Real-time estimation of Doppler shift and its rate of change.
    [ Hits: 139 | Votes: 0 | Rating: 0 ]
Software : Awards tracking
  • Hamlog.online - Hamlog is online cloud platform for active amateur radio operators. It supports various on the air activities of various clubs, associations and national amateur radio organizations, allows them to create award programs and deliver awards to those who earned them. Hamlog also has a built-in real-time logger, which allows operators to enter QSO in the system as they make them. It supports multiple callsigns, multiple locations, multi-station activities, etc. Soon it will allow to connect transceivers and other ham radio devices right to the browser, allowing easy online logging virtually anywhere.
    [ Hits: 51 | Votes: 0 | Rating: 0 ]
Software : Circuit Design
  • PCB gEDA - PCB is an interactive printed circuit board editor for Unix, Linux, Windows, and Mac systems. This Software runs across multiple platforms such as Unix, Linux, Windows as well as Mac systems. This Tool is widely used for electronics as well as electrical circuit designing that comes with schematic capture. PCB offers high end features such as an autorouter and trace optimizer which can tremendously reduce layout time.
    [ Hits: 103 | Votes: 0 | Rating: 0 ]
Software : Time
  • ToyNtp - ToyNTP is a simple freeware time server for Windows that implements the SNTP protocol and uses a GPS receiver, Garmin GPS 18x LVC, as time reference. ToyNTP was designed to be used with Faros in the locations where access to the SNTP servers on the Internet is not available, but it may be used for other purposes as well, in particular, it may be configured to keep the PC clock synchronized to a GPS receiver.
    [ Hits: 133 | Votes: 1 | Rating: 1 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • 17 meter QRP Transmitter - 1-watt 17-meter cw transmitter that was originally done about 10 years ago as a club project for RAMS, the Radio Amateur Megacycle Society. It uses a VXO, rather novel at the time. It also uses a bandpass filter at the output rather than the usual lowpass
    [ Hits: 122 | Votes: 0 | Rating: 0 ]
Technical Reference : Transverters
  • 2m to 70cm Transverter Circuit - A 70cm / 432 MHz Transverter Project transverter circuit is an electronic device that converts a radio signal from the 2 meter to the 70 centimeter band and vice versa, allowing a single transmitter/receiver to be used for both bands. It consists of an IF stage, local oscillator, frequency multiplier, and amplifier. The circuit must be designed for minimal signal loss, noise and intermodulation distortion.
    [ Hits: 77 | Votes: 0 | Rating: 0 ]

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