clock

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clock

42 links - and 1 categories

Antennas : Satellite
  • Taming the Quadrifilar Helical Antenna - The Quadrifilar Helical antenna provides circular polarization and complete hemispherical reception, which is precisely what is needed to receive the polar orbiting weather satellites, and as a 2 meter antenna it will receive horizontal, vertical and clockwise circular polarization.
    [ Hits: 374 | Votes: 0 | Rating: 0 ]
DX Resources : Beacons : Beacon Monitoring
  • IARU Beacon Map Live - This online map shows the IARU beacons. If the clock on your PC is accurate enough, it will also show which ones are broadcasting at the moment and on which band.
    [ Hits: 313 | Votes: 3 | Rating: 6.67 ]
Operating Aids : Time
  • Low-frequency radio time signals - Several national physics laboratories operate radio transmitters that broadcast a time code signal.
    [ Hits: 312 | Votes: 0 | Rating: 0 ]
  • Interactive World Clock - Three local city times around the world displayed simultaneously.
    [ Hits: 201 | Votes: 1 | Rating: 10 ]
  • 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 ]
  • GPS clock - This project taps into the NMEA stream and provides both a visual display with an LCD and also LED indicators and a sounder. The LCD outputs include 3D Lock, 2D Lock and NO Lock while the UTC time is also displayed to screen.
    [ Hits: 148 | Votes: 0 | Rating: 0 ]
Operating Modes : Weak Signal
  • GPS time sync for modern digital modes - As FT8, JT65 and JT9 are a time synchronized protocol, one soon discovers that an accurate PC clock is very important. If your workstation time is off it can cause you to send when no one is listening, or to listen when no one is sending.
    [ Hits: 445 | 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 ]
Software : Time
  • Interactive World Clock - World Map - Time Zones realtime map allow to select and display current time for selected regions
    [ Hits: 911 | Votes: 6 | Rating: 4.33 ]
  • LCD Clock - Ham Radio LCD Clock Utility for Macintosh OS X and Windows by GM4JJJ
    [ Hits: 920 | Votes: 4 | Rating: 4.5 ]
  • HamClock - Ham Radio Desk Clock - Keep track of much more than the time with this Wi-Fi enabled device. HamClock is a desk clock that could show accurate time, geography, time zone, solar activ- ity, sunrise and sunset times, Maiden- head locators, beam heading,
    [ Hits: 3142 | Votes: 11 | Rating: 6 ]
  • Meinberg NTP for Windows - Meinberg NTP software to sync your computer clock. NTP client package with IPv4 IPv6 support for Windows XP and newer.
    [ Hits: 770 | Votes: 1 | Rating: 1 ]
  • JTSync - JTSync is a simple utility that provides the ability to synchronize your computer clock over a network with world-wide NTP servers. When the Internet connection is not available, JTSync allows you to make time adjustments based on decoded QSOs within the WSJT-X application.
    [ Hits: 2563 | Votes: 5 | Rating: 7.8 ]
  • NetTime for Windows - NetTime is a simple and free software to sync your computer clock via internet. Very useful tool for FT8 FT4 operating modes.
    [ Hits: 1448 | Votes: 0 | Rating: 0 ]
  • GPS time - GPSTime is a small freeware applet that corrects your PC clock using GPS. GPSTime reads the serial data coming out of your GPS receiver and decodes the $GPRMC messages to determine the precise UTC time. Works on Windows Vista/7/8/10 with PC with serial ports.
    [ Hits: 636 | Votes: 0 | Rating: 0 ]
  • GPS2Time  updated - A means of sync-ing your computer clock using a GPS Receiver. GPS2Time is another GPS network time synchronization software application for Window 7 and higher. Freeware.
    [ Hits: 1048 | Votes: 3 | Rating: 10 ]
  • 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 : Arduino
  • PI4ino - A Generic Arduino Beacon Controller - Generic PI4 + CW + Carrier Arduino Beacon Controller with interfacing to Analog Devices AD9833 DDS AD9850 DDS, AD9851 DDS, AD9912 DDS , AD9913 DDS, ADF4350 and ADF4351 synthesizers, ADF5355 synthesizer, ADF5356 synthesizer, Radio modulated by an audio soft-DDS Reverse DDS, RDDS microwave unit, Silicon Labs Si5351A programmable clock generator, Silicon Labs Si570 programmable XO/VCXO, Texas Instruments LMX2541 synthesizer
    [ Hits: 1733 | Votes: 7 | Rating: 7.71 ]
  • Arduino Nano and si5351 Digital VFO/BFO - A kit Digital VFO with pre-soldered surface mount parts and burned-in firmware, a scratch build with Arduino Nano, C code with modifications, and a Silicon Labs si5351 PLL clock generator on a breakout board.
    [ Hits: 369 | Votes: 2 | Rating: 6 ]
Technical Reference : QRP Projects
  • The Micro20 III Pocket Size SSB RTX for 20m - DK7IH QRP transceiver for 14 MHz. This small and compact home made transceiver with a max power output of 5W, the VFO module is based on the clock oscillator chip Si5351A by Silicon Labs ATmega168 and OLED 1306
    [ Hits: 250 | Votes: 3 | Rating: 10 ]

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