Real time satellite tracking for: INMARSAT 3-F1Ģ5E Alphasat (Inmarsat 4A-F4).
#PLANEPLOTTER CURRENT POSITION SOFTWARE#
A new version of Planeplotter software will be available shortly which will extract as. There is an element of packet drop out, however this suggests that a well aligned 1.2m could be useable. These links will plot in real time where each of the four satellites are in relation to the arc, the exact value is given by its latitude.Ħ4.5E Inmarsat 3-F1. One of the Planeplotter users in France has successfully received data from Inmarsat AERO using a 90cm dish and Titanium lnb. Once each satellite moves more than about 1° above or below the arc the signals will start to decrease so ideally the dish should be re-adjusted to match the change in elevation.
#PLANEPLOTTER CURRENT POSITION TV#
Unlike regular TV satellites Inmarsats are on inclined orbits which means they drift above and below their correct position in the Clarke Belt in a figure of eight movement. Another plugin called Aux VFO allows me to monitor multiple channels using virtual audio cable software and multiple instances of Jaero. I find it convenient to set all the T channels into memories using the frequency manager plugin for SDR Sharp. It is worth experimenting with this as many LNBs will have superior performance on one polarity.Īs you move further away from due south circular polarity becomes less defined at least on both my systems and both polarities should be tried to ensure you're on the correct one.
Note that rotating the depolarising plate in the LNB throat by 90° and switching the receiver to vertical will also give reception of LHCP. On my system which is set correctly for broadcast TV best results are obtained with left hand circular polarisation, this corresponds to the receiver being set to horizontal polarity. From December 2004, all ships over 300 tons must carry an AIS system which broadcasts information about the ship to any suitably equipped receiver.AIS uses very short bursts of high speed data on two VHF channels in the marine band. I've listed the downconverted IF frequencies used to tune SDR Sharp, for the actual C-Band frequency subtract the given frequency from 5.150.000.000įrequencies are liable to change a few kHz depending on external temperature effects on the LNB and receiver. AIS is a system that ships use to communicate their positions to each other as part of the global maritime safety system. The ones of interest to Aero monitoring are marked as T channels, the others carry plenty of Aero traffic but no positioning reports. The four question marked frequencies on 25E are too weak for good decoding on my dish. These are the four satellites I can see and all the channels I can decode on my 1.8M Prime Focus using a Titanium C1W LNB. The latest edition covers the functions of Multilateration, Beamfinder and Conditional Expressions.I posted this to the PP group, it's aimed at users familiar with PP and air comms but not so experienced with satellite stuff, especially circular polarity on C-Band. The book has some 300 pages and includes 200 illustrations and diagrams. In the case of messages which contain more than one valid position, Plane Plotter obviously cannot tell which position is the current one, so it plots.
PlanePlotter plots aircraft positions, altitudes and times decoded from the message traffic that it receives including embedded position reports, AMDAR reports and ADS reports contained in ACARS messages and ADS-B position reports received by a variety of virtual radar boxes including the Kinetic-Avionic's SBS1(tm), AirNav System's RadarBox(tm), the PlaneGadget Radar and the Mode-S Beast virtual radar receivers. PlanePlotter provides a radar-like display of not only local aircraft but aircraft around the world that are transmitting the digital messages in the ACARS, ADS-B and HFDL formats. This is a comprehensive user guide for the PlanePlotter virtual radar software program that receives and decodes live digital position reports from aircraft and plots their positions and movements on air traffic control type charts.