# The entire launch of satellites is expected to happen over a period of 2 hours and 21 seconds, ISRO said. Isro is now reaching a stage where it can launch one satellite a month, but that must be increased to at least two launches a month which means the space agency can do 18-24 launches a year to meet the demand, immediate past chairman of Isro A S Kiran Kumar had told TOI.
The co-passenger satellites carried by the 44.4-metre-tall rocket comprise one micro and nano satellite each from India as well as three micro and 25 nanosatellites from six countries - Canada, Finland, France, Korea, the United Kingdom and United States of America.
The 28 worldwide customer satellites are being launched as part of a commercial deal between Antrix, a Government of India company under the Department of Space, and global customers.
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Cartosat-2 series satellite is the primary satellite carried by PSLV-C40.
The co-passengers on Friday's launch include Telesat's second prototype broadband communications satellite, following on the loss of the Canadian company's first experimental high-speed Internet craft on a failed Soyuz/Fregat rocket launch in late November. The satellite series is deployed to observe the earth and relay high-resolution scene-specific spot images.
Today's launch comes after the unsuccessful mission of navigation satellite IRNSS-1H in 2017. ISRO had successfully launched Cartosat-2 Series satellite on June 22, 2016. It will boost data services for urban and rural applications, coastal land use and regulation, monitoring of road networks, water distribution, and land-use mapping, said an HT report. As he oversaw last-minute preparations of the launch in Sriharikota, Isro's new chairman, Sivan K, pegged as the "rocket man", took a few minutes off to speak with TOI, about Isro's future launches, role of private players in building rockets and exploratory missions.