News for 'communications antenna'

Anil Menon, Sophie Adenot back on spacewalk to finish ISS antenna job

Anil Menon, Sophie Adenot back on spacewalk to finish ISS antenna job

Rediff.com26 Aug 2026

Astronauts Anil Menon and Sophie Adenot successfully completed a spacewalk to install a replacement Ku-band communications antenna on the International Space Station. This critical task, which they had previously attempted, restores communications redundancy for the orbital laboratory. Menon, on his third spacewalk, and Adenot, on her second, were assisted by fellow NASA astronauts Jack Hathaway and Jessica Meir.

ISS Antenna Replacement Delayed After Spacewalk Challenges

ISS Antenna Replacement Delayed After Spacewalk Challenges

Rediff.com19 Aug 2026

Astronauts Anil Menon and Sophie Adenot encountered unexpected delays during a spacewalk to replace a critical space-to-ground antenna on the International Space Station. Despite successfully removing the failed antenna, they ran out of time to install the replacement, rescheduling the task for a future spacewalk. Menon, of Indian origin, and Adenot, the first French woman to spacewalk, faced challenges with tight connectors and bolting during the six-hour mission.

Breakthrough: IIT Dhanbad Creates Ultra-Compact Antenna For Next-Gen Wearables

Breakthrough: IIT Dhanbad Creates Ultra-Compact Antenna For Next-Gen Wearables

Rediff.com6 Aug 2026

Researchers at IIT (ISM) Dhanbad have developed an ultra-compact wearable antenna, measuring just 5x5x0.75 mm, designed to significantly enhance the performance of future healthcare devices, smart wearables, and wireless body communication systems. This innovation offers high-speed data transmission, wider wireless coverage, and a low Specific Absorption Rate (SAR), making it safe and efficient for prolonged use in Wireless Body Area Networks (WBANs).

India, Japan deepen maritime security with eye on China

India, Japan deepen maritime security with eye on China

Rediff.com20 Aug 2026

India and Japan have signed a Memorandum of Arrangement on maritime security cooperation, committing to deepen defence ties and oppose unilateral actions that impede freedom of navigation in the Indo-Pacific, a move seen as directed at China's increasing military presence.

Modi-Takaichi Summit Opens New India-Japan Chapter

Modi-Takaichi Summit Opens New India-Japan Chapter

Rediff.com7 Jul 2026

Notwithstanding the economic complementarities and the host of agreements for deepening economic relation on a host of areas, both sides share common viewpoints on the foreign policy domain and seek common grounds to serve as a counterweight to China, notes Dr Rajaram Panda.

IAF's precision strike demolish JeM's communication network

IAF's precision strike demolish JeM's communication network

Rediff.com7 May 2025

The Indian Air Force conducted precision strikes on terror hideouts in Pakistan, targeting a Jaish-e-Mohammad communication network housed in a primary health centre in Tehra Kalan village. The communication setup was essential for planning and coordinating activities with infiltrated terrorists in Jammu and Kashmir. The strikes aim to dismantle the communication network and hinder the terrorists' ability to operate.

Indo-US NISAR Satellite Set for July Launch

Indo-US NISAR Satellite Set for July Launch

Rediff.com18 Jun 2025

NISAR will not be used for surveillance and will be used to observe the earth.

NDRF deploys cadaver dogs in Uttarkashi rescue ops

NDRF deploys cadaver dogs in Uttarkashi rescue ops

Rediff.com7 Aug 2025

NDRF deploys cadaver dogs and rescue teams to flood-ravaged Dharali village in Uttarkashi, Uttarakhand, to search for survivors. ITBP evacuates pilgrims from Gangotri.

Communication satellite GSAT-6 successfully positioned in orbit

Communication satellite GSAT-6 successfully positioned in orbit

Rediff.com6 Sep 2015

GSAT-6, the country's latest communication satellite has been successfully positioned in its orbital slot, Indian Space Research Organisation said on Sunday.

India's GSAT-7 satellite placed in geosynchronous orbit

India's GSAT-7 satellite placed in geosynchronous orbit

Rediff.com4 Sep 2013

India's advanced multi-band communication satellite GSAT-7, launched from French Guiana by European space consortium Arianespace's Ariane 5 rocket on August 30, has been successfully placed in the geosynchronous orbit with an altitude of about 36,000 km above earth's surface.

India's Last 3 Air Crashes: Key Safety Lessons

India's Last 3 Air Crashes: Key Safety Lessons

Rediff.com15 Jul 2025

India's last three major commercial aviation accidents --Patna (2000), Mangaluru (2010), and Kozhikode (2020) -- could offer critical safety lessons for the ongoing investigation.

ISRO to launch communication satellite tomorrow, countdown begins

ISRO to launch communication satellite tomorrow, countdown begins

Rediff.com28 Mar 2018

A key feature of the satellite is providing mobile communication to India through multi beam coverage facility.

MP: Cops seize Greenpeace 'communication equipment'

MP: Cops seize Greenpeace 'communication equipment'

Rediff.com30 Jul 2014

An alleged unauthorised communication equipment has been seized from the office of prominent NGO Greenpeace at a village in Singrauli district of Madhya Pradesh and two persons have been arrested for trying to disrupt the police probe, a senior police official said on Wednesday.

What's A Stealth Fighter?

What's A Stealth Fighter?

Rediff.com30 May 2025

If I were to explain stealth to a layperson, I'd ask them to think of the game chupan-chupai (hide and seek) we played as children, explains Air Commodore Nitin Sathe (retd).

ISRO confirms losing communication with GSAT-6A

ISRO confirms losing communication with GSAT-6A

Rediff.com1 Apr 2018

"Efforts are underway to establish the link with the satellite," it added.

ISRO's smallest rocket completes final test flight

ISRO's smallest rocket completes final test flight

Rediff.com16 Aug 2024

The Indian Space Research Organisation (ISRO) successfully launched its third and final developmental flight of Small Satellite Launch Vehicle here on Friday whose payloads can be used in applications like satellite-based surveillance, disaster and environmental monitoring, fire detection, volcanic activity among others.

'BJP Never Takes Any Election Lightly'

'BJP Never Takes Any Election Lightly'

Rediff.com21 Feb 2025

'They contest to ensure they win the election.'

ISRO's communication satellite GSAT-17 launched successfully from French Guiana

ISRO's communication satellite GSAT-17 launched successfully from French Guiana

Rediff.com29 Jun 2017

It also carries equipment for meteorological data relay and satellite based search and rescue services being provided by earlier INSAT satellites.

India's latest communication satellite launched on board European vehicle

India's latest communication satellite launched on board European vehicle

Rediff.com6 Feb 2019

The GSAT-31 is a 'high power' communication satellite going to serve and replace some of the satellites that are going to expire soon.

ISRO launches indigenously made communication satellite GSAT-6A

ISRO launches indigenously made communication satellite GSAT-6A

Rediff.com29 Mar 2018

The satellite would provide a thrust to mobile communication through multi-beam coverage facility, the ISRO said.

GSAT-15, India's latest communications satellite, launched successfully

GSAT-15, India's latest communications satellite, launched successfully

Rediff.com11 Nov 2015

A high power satellite, GSAT-15 is being inducted into the INSAT/GSAT system. GSAT-15 carries a total of 24 communication transponders in Ku-band as well as a GPS-Aided GEO Augmented Navigation (GAGAN) payload operating in L1 and L5 bands.

Japan becomes 5th country to land on moon; lander faces glitch

Japan becomes 5th country to land on moon; lander faces glitch

Rediff.com20 Jan 2024

The agency said it is currently receiving a signal from the lander, which is communicating as expected.

ISRO hasn't given up on regaining link with Vikram

ISRO hasn't given up on regaining link with Vikram

Rediff.com1 Oct 2019

The ISRO had apparently suspended those operations 10 days ago following night fall on the Moon.

Why DGCA Wants Airline Altimeter Upgrades

Why DGCA Wants Airline Altimeter Upgrades

Rediff.com6 Jan 2024

'We have informed the government multiple times that the situation in the US and India are different.' 'Here, there will be a 500 MHz gap in the frequencies which will safely allow aviation without interference.'

NDRF to send 3rd rescue team to Turkiye, toll crosses 9000

NDRF to send 3rd rescue team to Turkiye, toll crosses 9000

Rediff.com8 Feb 2023

A fresh team of 51 National Disaster Response Force (NDRF) personnel is being rushed to earthquake-hit Turkiye even as two teams present there have launched rescue operations at multiple collapsed structures, Director General of the force Atul Karwal said Wednesday.

US mulls action against Chinese entities linked to balloon incursion

US mulls action against Chinese entities linked to balloon incursion

Rediff.com9 Feb 2023

Speaking on condition of anonymity, the official asserted that it is known that China used these balloons for surveillance.

New tech enables texting even after cellphone battery dies

New tech enables texting even after cellphone battery dies

Rediff.com14 Aug 2013

The researchers built small, battery-free devices with antennas that can detect, harness and reflect a TV signal, which then is picked up by other similar devices.

Blast off! ISRO successfully launches GSAT-6 satellite

Blast off! ISRO successfully launches GSAT-6 satellite

Rediff.com27 Aug 2015

The feat is the second one for the Indian Space Research Organisation scientists in using the indigenously made cryogenic stage after the January 5, 2014 launch of GSLV-D5.

GSAT-11 satellite, ISRO's heaviest, to be launched on Dec 5

GSAT-11 satellite, ISRO's heaviest, to be launched on Dec 5

Rediff.com1 Dec 2018

Weighing about 5,854 kg, GSAT-11 would play a vital role in providing broadband services across the country, and also provide a platform to demonstrate new generation applications.

Chandrayaan located! NASA finds it still orbiting the moon

Chandrayaan located! NASA finds it still orbiting the moon

Rediff.com10 Mar 2017

"We have been able to detect NASA's Lunar Reconnaissance Orbiter (LRO) and the Indian Space Research Organisation's Chandrayaan-1 spacecraft in lunar orbit with ground-based radar," said Marina Brozovic, a radar scientist at JPL and principal investigator for the test project.

India's October 28 Mars mission on schedule: ISRO

India's October 28 Mars mission on schedule: ISRO

Rediff.com5 Oct 2013

The Indian Space Research Organisation on Saturday said the country's October 28 Mars Orbiter Mission was on schedule, dismissing suggestions that the National Aeronautics and Space Administration may not be in a position to offer it deep space network support following the government shutdown in the United States.

ISRO launches India's heaviest satellite GSAT-11, will boost net connectivity

ISRO launches India's heaviest satellite GSAT-11, will boost net connectivity

Rediff.com5 Dec 2018

ISRO Chairman K Sivan described the GSAT-11 as the "richest space asset" for India.

'Vikram' lander tilted after hard hit, but unbroken: ISRO

'Vikram' lander tilted after hard hit, but unbroken: ISRO

Rediff.com9 Sep 2019

An ISRO official said: "Unless and until everything is intact (lander), it's very difficult (to re-establish contact). Chances are less. Only if it had soft-landing, and if all systems functioned, then only communication can be restored. Things are bleak as of now."

Heavy cross winds delay GSAT-18 launch by a day

Heavy cross winds delay GSAT-18 launch by a day

Rediff.com5 Oct 2016

Arianespace launch vehicle Ariane-5 VA-231, carrying GSAT-18 along with co-passenger Sky Muster II for the Australian operator nbn (National Broadband Network) was scheduled for launch at 2am on Wednesday.

All systems go on INSAT-4A

All systems go on INSAT-4A

Rediff.com26 Dec 2005

INSAT-4A, India's most advanced and powerful communication satellite, has been successfully placed in near geo-synchronous orbit and its solar panels and two antennae have been deployed.

ISRO's GSAT-30 satellite launched aboard Ariane rocket

ISRO's GSAT-30 satellite launched aboard Ariane rocket

Rediff.com18 Jan 2020

The 3,357-kg satellite, which was deployed from the lower passenger position of Ariane-5 launch vehicle (VA 251) into the geostationary transfer orbit, is configured on ISRO's enhanced I-3K Bus structure to provide communication services from Geostationary orbit in C and Ku bands.

India's GSAT-18 satellite launched successfully

India's GSAT-18 satellite launched successfully

Rediff.com6 Oct 2016

GSAT-18, which aims at providing telecommunications services for the country by strengthening ISRO's current fleet of 14 operational telecom satellites, was launched into a Geosynchronous Transfer Orbit about 32 minutes after the lift-off.

First orbit raising operation of GSAT-6 completes successfully

First orbit raising operation of GSAT-6 completes successfully

Rediff.com29 Aug 2015

"First orbit raising operation of GSAT-6 was successfully completed by firing the Apogee Motor for 3385 seconds at 8:35 pm IST on August 28," the ISRO said.

Is contactless payment safe?

Is contactless payment safe?

Rediff.com26 Oct 2020

Almost all banks that issue contactless cards provide users with a 100 per cent liability cover.

ISRO racing against time to salvage Vikram, Pragyan

ISRO racing against time to salvage Vikram, Pragyan

Rediff.com10 Sep 2019

'All possible efforts are being made to establish communication with (the) lander,' the ISRO further said in a tweet.