How does the Argos satellite system work?

Powered by batteries or solar energy, the Argos transmitters upload short duration messages (of less than one second) to Argos instruments on satellites that pass overhead at an altitude of 850 km. Each platform is characterized by an identification number specific to its transmitter.

What is an Argos beacon?

The Watchdog of your Marine Equipment. ​Designed to retrieve a buoy in case of mooring line break, BABS warns owners of line breakage by transmitting a signal to ARGOS satellites while BASM alerts of underwater equipment that may surface by transmitting through the same ARGOS satellite system.

How many Argos satellites are there?

Beginning in 1978 with the NOAA TIROS N launch, Argos has flown on a total of 15 NOAA satellites, 2 EUMETSAT satellites, and 1 Indian Space Research Organization (ISRO) satellite named SARAL. Currently, in year 2015, Argos is operational on 6 polar orbiting satellites: 3 NOAA, 2 EUMETSAT and 1 ISRO.

What is platform transmitter terminal?

A Platform Terminal Transmitter (PTT) is a small satellite transmitter attached to a sea turtle in order to monitor its movements and/or behavior. See also: Satellite Tracking.

What system does Argos use?

Argos is a pioneer satellite-based system which has been operating since 1978. The Argos system collects data from Platform Terminal Transmitters, PTTs, and distributes sensor and location data to the final users.

How does Argos Doppler work?

Argos receives data from a PTT and estimates its location at the time of transmission based on the Doppler shift of the signal frequency received during the passing of one of the polar-orbiting, sun-synchronous satellites.

Where is Argos from?

the United Kingdom
Argos Limited, trading as Argos, is a catalogue retailer operating in the United Kingdom and Ireland, acquired by Sainsbury’s supermarket chain in 2016. It was established in November 1972 and is named after the Greek city of Argos.

How many warehouses do Argos have?

They also complement Argos’s seven distribution centres and hub store network.

Who is Argos owned by?

Sainsbury’s, which bought Argos in 2016, said in its statement that the 120 standalone Argos stores that had not reopened since they were closed in March would now shut permanently. By the end of the restructuring programme, Sainsbury’s said it expected the total number of standalone Argos outlets to be about 100.

Is Argos a Greek island?

Argos (/ˈɑːrɡɒs, -ɡəs/; Greek: Άργος [ˈarɣos]; Ancient Greek: Ἄργος [árɡos]) is a city in Argolis, the Peloponnese, Greece and is one of the oldest continuously inhabited cities in the world, and the oldest in Europe. It is the largest city in Argolis and a major center for the area….Argos, Peloponnese.

Argos Άργος