sun clock

Grey Map - Gray line map in black and white

ARCRON - Manufacturer of radio controlled clocks

Davis RF - provide electronic and electrical wire, cable, RF connectors, DSP audio filters, rope, non-conductive guy cables for aerial or tower support; plus sundry aerial related parts

USNO Mater Clock Time - Time reference from USNO, USNO Time in Standard Time Zones,USNO Master Clock Time Animated GIF Clocks, Analog Java Clock, Compute Local Apparent Sidereal Time, Check your local System Clock vs. our Master Clock!

Exact UTC Time - Time Service Dept., U.S. Naval Observatory, Washington, DC

The World Clock - Real time world clock

Aurora current status - Current image of earth's aurora

Catania Solar Images - Daily Solar images taken in Catania Astrophysical Observatory Italy

Solar Activity Forecast - Solar-activity and Geomagnetic activity forecast from Czech Republic

Sunrise, Sunset, Moonrise, Moonset, and Twilight Report - U.S. Naval Observatory, Sunrise, Sunset, Moonrise, Moonset, and Twilight ,Moon Illumination, Positions of the Sun and Moon , Eclipses

Sunspot answer book - Mr Sunspot's Answer Book National Solar Observatory Sacramento.

Sporadic-E - Short notes about sporadic E influence on VHF propagation

Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions

The Sunspot Cycle - Sunspot Numbers, The Butterfly Diagram, the Greenwich sunspot data and sunspot realted infos.

NASA Sunspot Cycle Predictions - Nasa MSFC predictions on the behavior of current sunspot cycle.

Solar Flare and sunspots - Understand the connection between solar flares and sunspots.

Sunspots explained - History, activity, glossary and modern reseach about suspots

Sunspot numbers explained - Definition of smoothed sunspot number and R12 index

Sunspot Number - How sunspot numbers are computed

BeaconClock - Real-time, schedule of the transmitting times, frequencies, short-path and long-path beam headings for each beacon from your QTH. BeaconClock is for Windows 9x/NT/2k systems.

ProsKan KA1LPA - Dual screen, supports AVT modes,16 Milions col, auto call insert facilities.

Kangaroo Tabor Software Priority listing - HF Communications Analysis and Prediction Tools for Amateur Radio and communications professionals. Featuring: WinCAP Wizard, Beacon-Time Wizard, GeoAlert-Extreme Wizard, ID Wizard, KTS Clock Screen Saver, NERDAlert 2000

Astrolock - MSDOS astronomical clock and celestial tracking program with navigation features

Atomic Web Clock - National Institute of Standards and Technology (NIST). Synchronize your pc's clock to the NIST Atomic clock.

GeoClock - GeoClock shows the current time (based on your computer's clock) with a high quality map of the earth. DOS Win95/98/NT shareware