▲ 59 r/ISRO
ISRO conducts ground test for new sub-orbital solid motor-based test vehicle, Sub-Orbital Launch Vehicle for Experiments (SOLVE)
isro.gov.inu/Ohsin — 1 day ago
▲ 38 r/ISRO
Chandrayaan-3's Alpha Particle X-ray Spectrometer measurements connect the composition at Shiv Shakti Statio to the first Lunar Meteorite ALHA 81005
isro.gov.inu/Ohsin — 3 days ago
▲ 22 r/ISRO
Iron Fluorescence on the Sun During Massive Solar Flares: Aditya-L1 Observation
isro.gov.inu/Ohsin — 3 days ago
▲ 30 r/ISRO
NOTAM for Skyroot's Vikram-1 Test Flight-1 is out. Enforcement duration 0500-0900 (UTC), 12 July to 4 August 2026.
Source: https://www.notams.faa.gov/
Note: The hazard zones are identical to previously issued NOTAM A1726/26 on 26 May 2026.
A2090/26
ROCKET LAUNCH FM SHAR RANGE, SRIHARIKOTA WILL TAKE
PLACE AS PER FLW DETAILS.THE LAUNCH WILL BE ON ANY ONE
OF THE DAY DRG THIS PERIOD.ACTUAL DATE OF LAUNCH WILL BE
INTIMATED ATLEAST 24 HR IN ADVANCE THROUGH A SEPARATE NOTAM.
LAUNCH PAD COORD: 134400N 0801406E
NO FLT IS PERMITTED OVER THE DNG ZONES.
1) DANGER ZONE -1: IS A CIRCLE OF 10 NM AROUND THE LAUNCHER.
2) DANGER ZONE -2: IS AN AREA BOUNDED BY FOLLOWING COORDINATES:
I. 1115N 08205E
II. 1135N 08225E
III. 1010N 08330E
IV. 0950N 08310E
V. 1115N 08205E
RTE AFFECTED IN CHENNAI FIR:
W20, Q11, Q23, Q24, V4, V9, L896, N564, N563, T3
CLOSURES/ALTN RTE FOR OVERFLYING:
1.W20 NOT AVBL BTN MMV-KAMGU
ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU
2.Q11 NOT AVBL BTN GURAS-MMV
ALTN: GURAS-DCT-MMV (UNIDIRECTRIONAL)
3.Q23 NOT AVBL BTN RINTO-MMV
ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV
4.Q24 NOT AVBL BTN MMV-KAMGU
ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU
5.V4 NOT AVBL BTN BOPRI-MMV
ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV
6.V9 NOT AVBL BTN GUNRI-MMV
ALTN: GUNRI-V11-TTP-DCT-GUANI-DCT-MMV
7.L896 NOT AVBL BTN MMV-DUGOS. NO ALTN RTE
8.N564 NOT AVBL BTN AKMIL-DUGOS. NO ALTN RTE
9.N563 NOT AVBL BTN AKMIL-XOKRO
ALTN: AKMIL-DCT-AVNOS-DCT-XOKRO
10.T3 NOT AVBL BTN BEBOK-ADKIT. NO ALTN RTE
DEPARTURES FM CHENNAI MAY FPL AS FLW:
1.W20/Q24 NOT AVBL BTN MMV-KAMGU
ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU
ARRIVALS TO CHENNAI MAY FPL AS FLW:
1.Q11 NOT AVBL BTN GURAS-MMV
ALTN: GURAS-DCT-MMV
2.Q23 NOT AVBL BTN RINTO-MMV
ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV
3.V4 NOT AVBL BTN BOPRI-MMV
ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV
4.V9 NOT AVBL BTN GUNRI-MMV
ALTN: GUNRI-V11-TTP-DCT- GUANI-DCT-MMV
5.A465 NOT AVBL BTN GURAS-MMV
ALTN: GURAS-DCT-MMV
ROCKET LAUNCH FM SHAR RANGE, SRIHARIKOTA WILL TAKE
PLACE AS PER FLW DETAILS.THE LAUNCH WILL BE ON ANY ONE
OF THE DAY DRG THIS PERIOD.ACTUAL DATE OF LAUNCH WILL BE
INTIMATED ATLEAST 24 HR IN ADVANCE THROUGH A SEPARATE NOTAM.
LAUNCH PAD COORD: 134400N 0801406E
NO FLT IS PERMITTED OVER THE DNG ZONES.
1) DANGER ZONE -1: IS A CIRCLE OF 10 NM AROUND THE LAUNCHER.
2) DANGER ZONE -2: IS AN AREA BOUNDED BY FOLLOWING COORDINATES:
I. 1115N 08205E
II. 1135N 08225E
III. 1010N 08330E
IV. 0950N 08310E
V. 1115N 08205E
RTE AFFECTED IN CHENNAI FIR:
W20, Q11, Q23, Q24, V4, V9, L896, N564, N563, T3
CLOSURES/ALTN RTE FOR OVERFLYING:
1.W20 NOT AVBL BTN MMV-KAMGU
ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU
2.Q11 NOT AVBL BTN GURAS-MMV
ALTN: GURAS-DCT-MMV (UNIDIRECTRIONAL)
3.Q23 NOT AVBL BTN RINTO-MMV
ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV
4.Q24 NOT AVBL BTN MMV-KAMGU
ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU
5.V4 NOT AVBL BTN BOPRI-MMV
ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV
6.V9 NOT AVBL BTN GUNRI-MMV
ALTN: GUNRI-V11-TTP-DCT-GUANI-DCT-MMV
7.L896 NOT AVBL BTN MMV-DUGOS. NO ALTN RTE
8.N564 NOT AVBL BTN AKMIL-DUGOS. NO ALTN RTE
9.N563 NOT AVBL BTN AKMIL-XOKRO
ALTN: AKMIL-DCT-AVNOS-DCT-XOKRO
10.T3 NOT AVBL BTN BEBOK-ADKIT. NO ALTN RTE
DEPARTURES FM CHENNAI MAY FPL AS FLW:
1.W20/Q24 NOT AVBL BTN MMV-KAMGU
ALTN: MMV-DCT-PAPKI-DCT-ANGAK-KAMGU
ARRIVALS TO CHENNAI MAY FPL AS FLW:
1.Q11 NOT AVBL BTN GURAS-MMV
ALTN: GURAS-DCT-MMV
2.Q23 NOT AVBL BTN RINTO-MMV
ALTN: RINTO-V11-TTP-DCT-GUANI-DCT-MMV
3.V4 NOT AVBL BTN BOPRI-MMV
ALTN: BOPRI-DCT-RINTO-V11-TTP-DCT-GUANI-DCT-MMV
4.V9 NOT AVBL BTN GUNRI-MMV
ALTN: GUNRI-V11-TTP-DCT- GUANI-DCT-MMV
5.A465 NOT AVBL BTN GURAS-MMV
ALTN: GURAS-DCT-MMV. GND - UNL, 0500-0900, 12 JUL 05:00 2026 UNTIL 04 AUG
09:00 2026. CREATED: 03 JUL 10:25 2026
u/Ohsin — 3 days ago
▲ 772 r/ISRO
Skyroot's Vikram-1 Test Flight-1 launch window is between 12 July to 4 August 2026 aiming for 450 km (LEO) with 60° inclination.
>🚀 Announcing Vikram-1 Test Flight-1: Mission Aagaman, India’s first private orbital rocket launch
📍 Satish Dhawan Space Centre, Sriharikota
🛰️ 450 km, 60 degree inclination, Low Earth Orbit
📅 Launch Window: July 12 – August 4, 2026
Vehicle is now fully stacked at India’s historic First Launch Pad (FLP).
The countdown to a new chapter in Indian spaceflight begins.
One rocket, a billion believers. Thank you ISRO & INSPACe for enabling this.
Source: https://www.linkedin.com/posts/vikram1-missionaagaman-ugcPost-7478331241277321216-qmZt/
u/Ohsin — 4 days ago
▲ 12 r/ISRO
Tender for Procurement, supply, erection and application of Refractory Cement with SS-Anchors, SS-Rods etc. on Mobile Launch structure (MLS) and Jet Duct Deflector (JDD) at SSLV Launch Complex (SLC) site
reddit.com
u/Ohsin — 5 days ago
▲ 903 r/ISRO
First stage of Skyroot's Vikram-1 is stacked at the First Launch Pad (FLP), SDSC-SHAR
>Vikram-1's Stage 1 is stacked at the First Launch Pad, Satish Dhawan Space Center, Sriharikota.
For India, this is the first time a privately designed, developed, and manufactured orbital rocket has been stacked on this pad.
Piece by piece, Vikram-1 is coming alive—each stage carefully lifted, aligned, and integrated into a single flight-ready rocket.
Getting closer to launch.
Source: https://www.linkedin.com/posts/vikram1-ugcPost-7477382306715074560-lnZa/
u/Ohsin — 7 days ago
▲ 4 r/ISRO
Industry Connect IC 10 Opening Session : IN-SPACe Report & Announcements
Few chosen slides from presentations:
At 26:00 Financial support to NGEs for launch services on Indian LVs and other technical facilitation, ToT.
At 32:54 EoI for "Operation and Management of the Small Satellite Launch Complex" to be released soon. Apparently the whole SSLV Launch Complex (SLC) will be operated by a private company.
At 35:30 Satellite Bus as a Service: GatiSat (Astrome), Caravan (Azista) and P-Nova (Dhruva) are the shortlisted candidates.
At 36:55 Opportunities for Space Infrastructure (domestic requirement of 300 satellites)
At 38:30 Technology Adoption Fund Awardees announced: Satsure, Astrobase and TakeMe2Space
At 49:00 First investee for Antariksh Venture Capital Fund announced: Dhruva Aerospace (INR 60 crore).
u/Ohsin — 8 days ago
▲ 13 r/ISRO
S2 Indian Space History Memory Monologues - Dr. S. Somanath
youtube.comu/Ohsin — 8 days ago
▲ 22 r/ISRO
Skyroot's Vikram-1 launch attempt may occur "next month". Some contradictions on Gaganyaan G1 timeline...
ISRO Chairman V Narayanan in his talk “Indian Space Programme – The Challenges and Way Forward” for Air Marshal L M Katre Memorial Lecture said that next month we can see orbital launch attempt by private company which should be Skyroot's Vikram-1.
https://www.youtube.com/watch?v=K-zQKm7qbuQ&t=2784s
Unfortunately the slides from the talk were not shown but one slide on Gaganyaan mission timeline apparently placed Gaganyaan G1 in 2027 Q3 !?
> The first uncrewed test flight for the Gaganyaan mission — ahead of the proposed maiden Indian human space flight launch — could be pushed back up to the third quarter of 2027, ISRO chairman V Narayanan indicated on Saturday even as he stressed that efforts were on for a launch by the end of 2026.
> With this, the launch of Gaganyaan mission’s manned flight could be pushed back to 2028, as against 2027-end that the Indian Space Research Organisation (ISRO) had indicated earlier this year.
> Delivering the Air Marshal L M Katre Memorial Lecture organised by the Air Force Association in Bengaluru, the ISRO chairman, who is also the secretary of the Department of Space, indicated on a slide in his presentation that the first unmanned flight for the Gaganyaan mission would be launched in the third quarter of 2027.
> However, in his talk on the “Indian Space Programme – The Challenges and Way Forward”, Narayanan stated that the uncrewed mission could happen in 2026 as well.
> (…)
> When asked about the two differing timelines — one indicated in his presentation and the other during the talk itself — for the first unmanned flight, the ISRO chairman said, “The Gaganyaan programme is undergoing constant review and the first unmanned flight will be launched on the basis of the progress.”
u/Ohsin — 8 days ago
▲ 206 r/ISRO
Scientists say needless secrecy over PSLV failures is counterproductive at a time when the government is actively seeking private sector participation in India’s space programme.
newindianexpress.comu/Ohsin — 8 days ago
▲ 7 r/ISRO
"Norms, Guidelines and Procedures for implementation of the Indian Space Policy 2023 in respect of Authorisation for undertaking Space Situational Awareness (SSA) related Activities" by IN-SPACe
inspace.gov.inu/Ohsin — 9 days ago
▲ 35 r/ISRO
Gaganyaan-G1 related FCC filings for its Launch and Early Orbit Phase (LEOP). From 20 July to 18 August 2026.
File Number: SES-STA-20260304-00602
Last Action: Grant of Authority
Application Status: Closed
Status Date: 2026-06-23
Red Light Status: No
Grant Date: 2026-06-23
Term Begin Date: 2026-07-20
Term End Date: 2026-08-18
SES-STA-20260304-00602 [PDF]
Date filed: 2026-03-04
Special Temporary Authority
Grant of Authority
2026-07-20 - 2026-08-18
Date of Action: 2026-06-23
> Universal Space Network, Inc.
> On June 23, 2026, Universal Space Network, Inc., was granted a 30-day special temporary authority (STA) beginning on July 20, 2026 through August 18, 2026, to operate its fixed satellite earth station in Naalehu, HI, to provide launch and early orbit phase (LEOP) services to the Indian Space Research Organization's ("ISRO") uncrewed Gaganyaan-1 and Gaganyaan-2 spacecrafts at the 2103.7 MHz with an emission bandwidth of 350 kHz, 2066.35 MHz with an emission bandwidth of 350 kHz, 2088.45 MHz with an emission bandwidth of 350 kHz, 2085.65 MHz with an emission bandwidth of 350 kHz, 2040 MHz with an emission bandwidth of 2.7 MHz, and 2053 MHz with an emission bandwidth of 2.7 MHz (Earth-to-space) and 2284.56 MHz with an emission bandwidth of 5 MHz, 2268 MHz with an emission bandwidth of 5 MHz, 2244 MHz with an emission bandwidth of 5 MHz, 2265 MHz with an emission bandwidth of 5 MHz, 2210 MHz with an emission bandwidth of 5 MHz, and 2223 MHz with an emission bandwidth of 5 MHz (space-to-Earth).
u/Ohsin — 10 days ago
▲ 12 r/ISRO
Arun Raj K M on X: VSSC and LPSC get permanent directors after a month-long gap. Dr. U.P. Rajeev appointed Director, VSSC and Shri N. Jayan appointed Director, LPSC"
>VSSC and LPSC get permanent directors after a month-long gap.
>Dr. U.P. Rajeev appointed Director, VSSC Shri N. Jayan appointed Director,LPSC
>Joji J.Chaman has been designated Director IISU,(as L.Sowmianarayanan superannuates on June 30) & Narayanan Appu, designated Director IPRC
Alternate source: https://nitter.net/Arunraj2696/status/2070197259397218349
u/Ohsin — 11 days ago
▲ 516 r/ISRO
Skyroot Aerospace: Vikram-1 first stage assembly has been completed.
>Reporting from on ground at Sriharikota. Stage 1 assembly has been completed!
Team Skyroot is entering the final stretch of the launch operations. 🙌
Source: https://www.linkedin.com/posts/skyroot-aerospace_vikram1-activity-7475946175314042880-0EoD
u/Ohsin — 11 days ago
▲ 10 r/ISRO
XPoSat Mission: Announcement of Opportunity (AO) soliciting proposals for the second AO cycle observations
isro.gov.inu/Ohsin — 14 days ago
▲ 68 r/ISRO
India’s Jio lays out sovereign LEO constellation plan ahead of IPO
spacenews.comu/Ohsin — 16 days ago
▲ 20 r/ISRO
RfP for AIT Outsourcing of three small satellites. Likely related to 'Samooha' ELINT constellation.
Request for Proposal (RfP) for AIT Outsourcing of three small satellites.
RFP Document: [PDF] [Archived]
Exploded view of 'Samooha' satellite
>The purpose of this RFP is to invite proposals from the potential vendors to carry out Spacecraft Assembly, Integration and Testing [AIT] of 3 small satellites, at URSC premises and other ISRO centres (if required), thus enabling URSC to assess the RFP response details and technical compliance, to decide the award of P.O[s]
>Scope:
Under the solicited RFP, it is proposed to carry out the assembly, Integration and testing activities of 3 small satellites with the participation of the prospective vendor(s). Exclusive teams for Sub-system interface study for avionics & mechanical systems shall be planned by the vendor(s). This is essential for analysis of the spacecraft observations during the AIT realization process. The entire activity is planned to be carried out in 2 phases as follows:
>Phase-1: Orientation Programme and On-the-job training comprising of 3-4 weeks training on AIT activities of the small satellite by URSC.
Phase-2: Execution of AIT activities by selected Vendor(s) based on the issue of P.O at URSC premises.
The RFP does not explicitly mention the project name but the render of satellite, its features and Trapezoidal cross section matches to 'Samooha' ELINT satellite. Such form-factor is needed to accommodate three such satellites under PSLV payload fairing. See following render from this presentation.
Launch configuration for 'Samooha' ELINT + AIS constellation
Imgur Album : https://imgur.com/a/TbcnzAR
This payload configuration has been used to launch 3x DMC-3 satellites on PSLV-C28 (Fig. 10) and will also be used for 3x HRSATs constellation. We know from this previous tender that combined mass of Samooha satellites should be ~2100 kg.
See also:
u/Ohsin — 18 days ago
▲ 64 r/ISRO
After PSLV failures the vendor for 'certain components' have been changed. Next PSLV launch likely in July.
indianexpress.comu/Ohsin — 20 days ago
▲ 82 r/ISRO
Cause behind PSLV anomaly detected and resolved, but it would not be disclosed to public. Next PSLV launch "may be within a month" but after GSLV launch.
thehindu.comu/Ohsin — 22 days ago