M Kocifaj, F Kundracik, J C Barentine, S Bará, The proliferation of space objects is a rapidly increasing source of artificial night sky brightness, Monthly Notices of the Royal Astronomical Society: Letters, 2021;, slab030, https://doi.org/10.1093/mnrasl/slab030 Abstract The population of artificial satellites and space debris orbiting the Earth imposes non-negligible constraints on both space operations and ground-based optical...Read More

Source: Ligado Cleared to Press On…For Now March 16, 2021 By Dawn M.K. Zoldi (USAF, Ret.) When most were focused on the transition of power in the White House, the day before the Inauguration and the very last day in office for the outgoing party, the FCC denied a petition to stay (delay) the Ligado Networks...Read More

Source: https://mybroadband.co.za/news/telecoms/387142-5g-spectrum-frozen-due-to-satellite-interference.html Jamie McKane, 19 February 2021 The Independent Communications Authority of South Africa (ICASA) has issued a moratorium on spectrum assignments in the 3.6GHz – 3.8GHz band, effectively locking out new applicants for acquiring spectrum in this band. The primary fixed wireless access (FWA) operator in this band is Rain, as it uses its...Read More

PARIS – The latest generation of smartphones, 5G, can interfere with aircraft altitude instruments, the French Civil Aviation Authority warned as it recommended they should be turned off during flight. “The utilisation of 5G devices onboard aircraft could lead to risks of interference that could potentially result in errors in altitude readings,”  a spokesman for the agency...Read More

Source: https://www.defensenews.com/air/2021/01/21/as-5g-auction-continues-pentagon-turns-to-safety-risk-mitigation-plans/ WASHINGTON — The Defense Department will focus on preventing interference to aviation instruments rather than trying to stop the Federal Communications Commission from auctioning C-band spectrum used for 5G communication, officials tell Defense News. The Pentagon’s decision comes despite industry’s concerns about the functionality of a key aviation technology, which led to a Dec. 1...Read More

Source: https://www.defensenews.com/2020/12/21/the-military-is-scrambling-to-understand-the-aviation-crash-risk-from-a-new-5g-sale/ By: Valerie Insinna and Aaron Mehta, December 21 at 5:00 AM WASHINGTON — As part of a broader move to boost the 5G industry in the United States, the Federal Communications Commission on Dec. 8 began auctioning a portion of C-band electromagnetic spectrum, a move the committee’s chairman, Ajit Pai, celebrated as “a big day for...Read More

Source: https://www.bloomberg.com/news/articles/2020-12-07/plane-crash-risk-seen-rising-on-fcc-plan-to-expand-5g-spectrum By Todd Shields, Alan Levin, and Helene Fouquet December 7, 2020, 7:31 PM GMT+2Updated on December 8, 2020, 12:42 AM GMT+2 Study warns of interference with electronics on airliners FCC says use of airwaves is safe and will open auction Tuesday A plan to redeploy spectrum for super-fast 5G wireless networks is sparking concern among aviation safety experts...Read More

November 10, 2020 A white paper by an aviation watchdog warns of ‘catastrophic failures’ if 5G moves into the spectrum traditionally used by civil aircraft. BY MICHAEL VERDON A white paper by the RTCA, a private-public aviation partnership that advises the Federal Aviation Administration, warns that 5G technologies could pose a “major risk…of harmful interference” to radar on...Read More

Image: Unsplash.com 07/23/2020 The National Frequency Agency (ANFR) manages all radio frequencies in France.  A mobile operator recently sent ANFR a request for intervention with interference affecting its 3G services in the 900 MHz band in the town of Saint-Ambroix in the Gard. A relay antenna was disturbed. The only clue: it was on the grounds of...Read More

Source: https://www.multichannel.com/news/utilities-sue-fcc-over-6-ghz-order#:~:text=The%20Utilities%20Technology%20Council%20has,the%20entire%206%20GHz%20band.&text=Electric%20utilities%2D%2Dand%20broadcast,from%20unlicensed%20broadband%20access%20devices. By JOHN EGGERTON The Utilities Technology Council has joined broadcasters in suing the FCC over its decision to allow unlicensed use in the entire 6 GHz band.  “The Federal Communications Commission acted unlawfully and against the public interest when it permitted a host of new users into a vital spectrum band that will...Read More