Software Listing of Author : "Satsignal.eu"

It is the basic sensor data that is transmitted at reduced resolution as APT data from NOAA polar orbiting weather satellites. There is approximately ten times the resolution in HRPT data as there is in the APT data and you can see some sample HRPT images here. Don't worry, it's only a small download, not several megabytes! You don't need any kit to receive HRPT data - it is available off the Internet from the comprehensive CLASS archive (formerly called the SAA) as well as directly through EUMETCast. Les Hamilton has kindly provided a copy of his article from the GEO Quarterly on Using CLASS (formerly the SAA). I also have provided basic notes on using the SAA (also in French and German). The HRPT Reader can also read data from the FENGYUN FY1C and FY1D satellites. EUMETSAT have recently made data from the NOAA-17 and NOAA-18...

  • Platform: Win2000, WinOther, WinServer
  • Equalise
  • License: Freeware
  • Price: 0.00

Program written to synchronise folder structures on two different computers over a network, or between a computer and a floppy disk. It can be used to keep up-to-date safety copies of files on floppy disks, or to allow program development on two different computers - perhaps one at work and one at home.

  • Platform: WinOther

This is a rather specialised program to help you in batch files when different actions need to be taken at different times, or when the date and time are needed to identify a particular file name.

  • Platform: WinOther

GroundMap is a tool to make your weather satellite images fit standard map projections - a process sometimes called rectification or geo-location - making it easy to join several NOAA satellite passes into one composite image covering a much wider area, or to combine your satellite images with other weather data. You can use data from either APT or HRPT satellites. You need ground-location data produced either my WXtrack program for APT images, or by my HRPT Reader for HRPT data. As an example, here is a mixture of NOAA-16 and NOAA-17 passes over Europe which have been rectified by GroundMap to a common projection and subsequently combined. Never before have you seen images covering this size of area at this sort of resolution!

  • Platform: Win2000, WinOther

The HDF Viewer is a Windows program which visualises the HDF data from the Land Surface Analysis (LSA) Satellite Application Facility (SAF) LSA-SAF broadcast over EUMETCast or over FTP from the LSA-SAF Web site. You can visit the Yahoo MSG-1 group to talk with other LSA-SAF users. You can use the program interactively, or as part of a hands-free procedure to process the data completely automatically.

  • Platform: Win2000, WinOther

This program reads HRPT files in the NOAA Level 1B, TimeStep, SSB/Orbit, L1F and NOAA95 formats, amongst others. From the SAA (Satellite Active Archive - now CLASS) it can read LAC, GAC and HRPT data formats. The program will allow you to play with making false colour images by combining the five or more available channels into red, green, and blue or, if you prefer, by taking one of the visible channels as brightness and one of the IR channels as colour. When enough channels are available, you can extract water vapour and vegetation data. You can save what you create, and you can also save an APT-size image which may be useful as a thumbnail when compressed to JPEG. The program attempts to handle missing bits (which create white or black marks on the image), but in all honesty you would be better off buying a copy of Paint Shop Pro to...

  • Platform: Win2000, WinOther

The Kepler Manager allows you to interface with the Space-Track Web site. If you register WXtrack, you can also use the automation features of the Kepler Manager to keep your Kepler data up-to-date for both the multi-line Kepler data required by real-time tracking programs and the historic Kepler data required by programs like SatSignal and the HRPT Reader for processing non real-time data.

  • Platform: Windows 7, WinOther, WinVista
  • MapToGeo
  • License: Shareware
  • Price: 34.95

MapToGeo allows you to take images in Plate-CarredoTe projection (azimuthal equidistant - linear latitude and longitude) and convert them into the view as seen by the current geostationary weather satellites around the world. This allows you to use the images as attractive backgrounds for GeoSatSignal, combining an idealised daylight image with the current cloud patterns, as an aid to weather presentation. This technique was suggested by Ferdinand Valk. The great thing is that images like the one below can be generated day or night - there is no need to have a daylight image for the region. This greatly extends the ability of GeoSatSignal to produce easily understood data right round the clock.

  • Platform: WinOther

Small program to check whether your NTP is detecting a leap-second flag, and if so, from where. My thanks to Dave Hart for suggesting the commands required to extract the leap-second data. The program needs write-access to the directory where it is copied, to write a temporary file, so for Windows Vista I suggest installing in a fresh directory such as C:ToolsNTP Please ensure that the ntpq.exe program is available from the path where the program is run, as the program relies on executing the ntpq command and interpreting its output.

  • Platform: WinOther

This program allows you to compare your PC clock with a number of external sources. You may have an Internet or GPS time service, but is your PC accurately synchronised to those sources, and how do they compare with one another? For the most accurate synchronisation, your PC needs an NTP client, which will connect to an NTP service on the Internet.

  • Platform: WinOther
  • SatLevel
  • License: Freeware
  • Price: 0.00

This program allows you set the gain or input level to a sound card to record weather satellite signals from Meteor/Resurs, NOAA or SICH/Okean satellites.

  • Platform: WinOther, WinVista

SatSignal is a program to demodulate NOAA APT, Okean, Meteor 3-5 and Resurs signals. It can be automatically driven by SatBatch, and has a detailed technical description. Want to to see some images decoded with SatSignal? - take a look at my sample results, or Craig's, Jim's pages or WTOC-TV (Patrick Prokop). Dale Hardy has MTSAT-1R images decoded by SatSignal and processed by GeoSatSignal. SatSignal is intended to work from pre-recorded .WAV files or 2-channel images, and requires a proper full-bandwidth IF receiver signal (38KHz or more). Signals that sound like alternating tone and noise will not work.

  • Platform: Win2000, WinOther

Simple program to show the state of the serial port LEDs. Intended for watching the pulses on the DCD line from a pulse-per-second GPS.

  • Platform: WinOther

Program to generate a single sine-wave toneburst when a button is pressed. Full source code is provided, as I see this program more as an example. The Beeper.pas unit that is included can be used in you own code (please acknowledge copyright if you publish this code, and do so unmodified!). Users of this component include BBC News who use it as an alert for blind users.

  • Platform: WinOther

VectorScope plots the left and right components of a stereo signal as vectors in such a way that the direction of arrival of the signal can be estimated.This has application to direction finding, or audio phasing checks.

  • Platform: Win2000, WinOther
  • WinTidy
  • License: Freeware
  • Price: 0.00

Program to help recover disk space. Finds backup, object & temporary files that might be candidates for deletion and allows the user to delete one or more of these files. Can be automated.

  • Platform: WinOther
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