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[ E.212 (2016) Amendment 2 (06/20) ] - New Annex G - Assignment of shared E.212 mobile country codes (MCC) for trials

New Annex G - Assignment of shared E.212 mobile country codes (MCC) for trials




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[ E.218 (2004) Amendment 1 (06/20) ] - New Annex B - Criteria and procedures for the assignment and reclamation of shared ITU T E.218 terrestrial trunk radio access mobile country codes ((T)MCC) for networks and their respective terrestrial trunk radio ac

New Annex B - Criteria and procedures for the assignment and reclamation of shared ITU T E.218 terrestrial trunk radio access mobile country codes ((T)MCC) for networks and their respective terrestrial trunk radio access mobile network codes ((T)MNCs)




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[ E.Sup11 (06/20) ] - Criteria for M2M/IoT-related assignments under Recommendation ITU-T E.164.1 and Recommendation ITU-T E.212 Annex A

Criteria for M2M/IoT-related assignments under Recommendation ITU-T E.164.1 and Recommendation ITU-T E.212 Annex A




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[ P.340 (2000) Amendment 2 (01/19) ] - Annex B: Objective test methods for multi-talker scenarios

Annex B: Objective test methods for multi-talker scenarios




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[ Y.4421 (10/21) ] - Functional architecture for unmanned aerial vehicles and unmanned aerial vehicle controllers using IMT-2020 networks

Functional architecture for unmanned aerial vehicles and unmanned aerial vehicle controllers using IMT-2020 networks




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U4SSC deliverables - Implementing SDG 11 by connecting sustainability policies and urban planning practices through ICT's

U4SSC deliverables - Implementing SDG 11 by connecting sustainability policies and urban planning practices through ICT's




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HSTP-DIS-UAV - Use cases and service scenarios of disaster information service using unmanned aerial vehicles

HSTP-DIS-UAV - Use cases and service scenarios of disaster information service using unmanned aerial vehicles




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U4SSC - Participatory Urban Planning - Melbourne: Australia place-making case

U4SSC - Participatory Urban Planning - Melbourne: Australia place-making case




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[ F.749.11 (11/19) ] - Requirements for civilian unmanned aerial vehicles enabled mobile edge computing

Requirements for civilian unmanned aerial vehicles enabled mobile edge computing




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[ F.749.13 (06/21) ] - Framework and requirements for civilian unmanned aerial vehicle flight control using artificial intelligence

Framework and requirements for civilian unmanned aerial vehicle flight control using artificial intelligence




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[ F.749.14 (06/21) ] - Requirements of coordination for civilian unmanned aerial vehicles

Requirements of coordination for civilian unmanned aerial vehicles




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[ F.749.15 (03/22) ] - Requirements for inspection and examination services using civilian unmanned aerial vehicles

Requirements for inspection and examination services using civilian unmanned aerial vehicles




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[ Z.100 Annex F3 (10/19) ] - Specification and Description Language - Overview of SDL-2010 - SDL-2010 formal definition: Dynamic semantics

Specification and Description Language - Overview of SDL-2010 - SDL-2010 formal definition: Dynamic semantics




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[ Z.100 Annex F2 (10/19) ] - Specification and Description Language - Overview of SDL-2010 - SDL-2010 formal definition: Static semantics

Specification and Description Language - Overview of SDL-2010 - SDL-2010 formal definition: Static semantics




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[ Z.103 (10/19) ] - Specification and Description Language - Shorthand notation and annotation in SDL-2010

Specification and Description Language - Shorthand notation and annotation in SDL-2010




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[ Z.103 (06/21) ] - Specification and Description Language - Shorthand notation and annotation in SDL-2010

Specification and Description Language - Shorthand notation and annotation in SDL-2010




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[ Z.100 Annex F3 (06/21) ] - Specification and Description Language - Overview of SDL-2010 - SDL formal definition: Dynamic semantics

Specification and Description Language - Overview of SDL-2010 - SDL formal definition: Dynamic semantics




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[ Z.100 Annex F2 (06/21) ] - Specification and Description Language - Overview of SDL-2010 - SDL formal definition: Static semantics

Specification and Description Language - Overview of SDL-2010 - SDL formal definition: Static semantics




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[ D.156 (2008) Amendment 1 (05/10) ] - New Annex A - Practical implementation of Recommendation ITU-T D.156

New Annex A - Practical implementation of Recommendation ITU-T D.156




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[ D.156 (2008) Amendment 2 (09/12) ] - New Annex B - Determination of the network externality premium

New Annex B - Determination of the network externality premium




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[ D.600R (2000) Amendment 1 (07/21) ] - Amendment 1 - Annex B: Guidelines for implementing efficient cost models for telecommunication service tariffs in the Africa region

Amendment 1 - Annex B: Guidelines for implementing efficient cost models for telecommunication service tariffs in the Africa region




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Operational Bulletin No. 1199 (1.VII.2020) and Annexed List: <br/> List of International Signalling Point Codes (ISPC) (According to Recommendation ITU-T Q.708 (03/99)) (Position on 1 July 2020)

Operational Bulletin No. 1199 (1.VII.2020) and Annexed List:
List of International Signalling Point Codes (ISPC) (According to Recommendation ITU-T Q.708 (03/99)) (Position on 1 July 2020)




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Operational Bulletin No. 1251 (1.IX.2022) and Annexed List: Status of Radiocommunications between Amateur Stations of Different Countries (In accordance with optional provision No. 25.1 of the Radio Regulations) and Form of Call Signs assigned by each Adm

Operational Bulletin No. 1251 (1.IX.2022) and Annexed List: Status of Radiocommunications between Amateur Stations of Different Countries (In accordance with optional provision No. 25.1 of the Radio Regulations) and Form of Call Signs assigned by each Administration to its Amateur and Experimental Stations (Position on 1 September 2022)




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Operational Bulletin No. 1280 (15.XI.2023) and Annexed List: <br/> Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions (According to Recommendation ITU-T E.212 (09/2016)) (Position on 15 Novemb

Operational Bulletin No. 1280 (15.XI.2023) and Annexed List:
Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions (According to Recommendation ITU-T E.212 (09/2016)) (Position on 15 November 2023)




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Operational Bulletin No. 1283 (1.I.2024) and Annexed List: <br/> List of issuer identifier numbers (In accordance with Recommendation ITU-T E.118 (05/2006)) (Position on 31 December 2023)

Operational Bulletin No. 1283 (1.I.2024) and Annexed List:
List of issuer identifier numbers (In accordance with Recommendation ITU-T E.118 (05/2006)) (Position on 31 December 2023)




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Operational Bulletin No. 1293 (1.VI.2024) and Annexed List: <br/> List of Signalling Area/Network Codes (SANC) (Complement to Recommendation ITU-T Q.708 (03/1999)) (Position on 1 June 2024)

Operational Bulletin No. 1293 (1.VI.2024) and Annexed List:
List of Signalling Area/Network Codes (SANC) (Complement to Recommendation ITU-T Q.708 (03/1999)) (Position on 1 June 2024)




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Operational Bulletin No. 1295 (1.VII.2024) and Annexed List: <br/> List of International Signalling Point Codes (ISPC) (According to Recommendation ITU-T Q.708 (03/99)) (Position on 1 July 2024)

Operational Bulletin No. 1295 (1.VII.2024) and Annexed List:
List of International Signalling Point Codes (ISPC) (According to Recommendation ITU-T Q.708 (03/99)) (Position on 1 July 2024)




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[ G.113 (2007) Amendment 2 (05/19) ] - New Appendix V - Provisional planning values for the fullband equipment impairment factor and the fullband packet loss robustness factor

New Appendix V - Provisional planning values for the fullband equipment impairment factor and the fullband packet loss robustness factor




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[ V.140 (01/05) ] - Procedures for establishing communication between two multiprotocol audiovisual terminals using digital channels at a multiple of 64 or 56 kbit/s

Procedures for establishing communication between two multiprotocol audiovisual terminals using digital channels at a multiple of 64 or 56 kbit/s




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[ V.25ter Annex A (08/96) ] - Procedure for DTE-controlled call negotiation

Procedure for DTE-controlled call negotiation




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[ V.14 (11/88) ] - Transmission of start-stop characters over synchronous bearer channels

Transmission of start-stop characters over synchronous bearer channels




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[ V.152 (2005) Amendment 1 (03/09) ] - New Annex B - Use of data signal detection and silence insertion in voiceband data, and new Annex C on use of V.21 preamble for echo canceller control in a V.152 gateway

New Annex B - Use of data signal detection and silence insertion in voiceband data, and new Annex C on use of V.21 preamble for echo canceller control in a V.152 gateway













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America's First Sodium-Ion Battery Gigafactory Announced. Cost: $1.4 Billion

Sodium-ion batteries are cheaper than lithium-ion batteries — and they're also more environmentally friendly. And "In the past few years, sodium-ion battery production has increased in the United States," reports the Washington Post, with a new factory planned to manufacture them "in the same way as lithium-ion batteries, just with different ingredients. Instead of using expensive materials like lithium, nickel and cobalt, these will be made of sodium, iron and manganese..." Last month, sodium-ion battery manufacturer Natron Energy announced it would open a "gigafactory" in North Carolina that would produce 24 gigawatt hours of batteries annually, enough energy to charge 24,000 electric vehicles. But sodium-ion batteries are still early in their development compared with lithium-ion, and they have yet to hit the market on a massive scale. "It's unlikely sodium-ion could displace lithium-ion anytime soon," said Keith Beers, polymer science and materials chemistry principal engineer at technical consultancy firm Exponent... The biggest limitation of sodium-ion batteries is their weight. Sodium weighs nearly three times as much as lithium, and it cannot store the same amount of energy. As a result, sodium-ion batteries tend to be larger. Jens Peters, an economics professor at the University of Alcalá in Madrid, said the energy density could be improved over time in sodium-ion batteries. But, he added, "what we found out so far in our assessments is that it is not a game changer." Sodium-ion batteries are touted to be the environmentally friendly alternative to their lithium-ion counterparts, thanks to their raw materials. Sodium, iron and manganese are all abundant elements on the planet, so they require less energy to extract and cost less... Sodium-ion batteries also last longer than lithium-ion ones because they can withstand more charge cycles, said Wendell Brooks, co-CEO of Natron Energy. "Our product can have millions of cycles," said Brooks, "where lithium-ion would have three to five thousand cycles and wear out a lot faster...." Sodium-ion batteries aren't the best fit for smartphones or electric vehicles, which need to store lots of energy. However, one advantage is their low cost. And they could be a good candidate in situations where the size of the battery isn't a concern, like energy storage. "When something is built out to support grid or backup storage, it doesn't need to be very dense. It's staying put," Beers said. Natron will invest nearly $1.4 billion in the factory "to meet the rapidly expanding demand for critical power, industrial and grid energy storage solutions," according to their announcement. "Natron's high-performance sodium-ion batteries outperform lithium-ion batteries in power density and recharging speed, do not require lithium, cobalt, copper, or nickel, and are non-flammable... Natron's batteries are the only UL-listed sodium-ion batteries on the market today, and will be delivered to a wide range of customer end markets in the industrial power space, including data centers, mobility, EV fast charging, microgrids, and telecom, among others."

Read more of this story at Slashdot.






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Contractor Q&A: Kauffmann Quality Construction

Kauffmann Quality Construction owner Ivan Kauffmann shares his roofing journey and how his company continues to weather supply shortages amid a slow pandemic recovery.




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Labor Dept. Announces Enhanced Enforcement, Compliance to Silica Exposure

The U.S. Labor Dept. has launched an initiative to improve safety and enforcement in the engineered stone industry due to severe health risks from silica dust exposure. 




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WernerCo Kicks Off Annual 'Ladder Safety Month'

Werner, manufacturer of ladder safety gear and an official sponsor of NCAA’s March Madness, kicked off Ladder Safety Month with nationwide events, webinars, and content to promote ladder safety awareness.




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JobNimbus Announces Upcoming Release of Innovative New App

A Beta version of JobNimbus' new app will be available to see at the 2021 International Roofing Expo.




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ABC Supply to Celebrate 40th Anniversary and Showcase Enhancements to myABCsupply at 2022 International Roofing Expo in New Orleans

The 2022 IRE kicks off ABC Supply’s 40th anniversary celebration happening throughout 2022.




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Feazel Announces Partnerships with Tradepost and Stonecutter Ventures

In addition to its partnerships with Tradepost LLC and Stonecutter Ventures, Feazel is now offering GAF Energy's Timberline Solar Shingle.