On this version:
* Taiwan’s PARUS-T1A Launch Failed
* NASA Astronauts Face Extra Time In Area With Return Delayed
* NASA Now Is aware of Why Its Mars Helicopter Crashed
* Adjustments to AMSAT-NA TLE Distribution
* ARISS SSTV Occasion December 25 – January 5
* ARISS Information
* Upcoming Satellite tv for pc Operations
* AMSAT Ambassador Actions
* Satellite tv for pc Shorts From All Over
The AMSAT Information Service bulletins are a free, weekly information and data service of AMSAT, the Radio Novice Satellite tv for pc Company. ANS publishes information associated to Novice Radio in Area together with studies on the actions of a worldwide group of Novice Radio operators who share an lively curiosity in designing, constructing, launching and speaking by way of analog and digital Novice Radio satellites.
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ANS-357 AMSAT Information Service Weekly Bulletins
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DATE 2024 Dec. 22
Taiwan’s PARUS-T1A Launch Failed
Radio Amateurs around the globe have been anticipating a brand new FM repeater in house as a Christmas current this yr, however it appears they may discover solely coal of their stockings. The rocket carrying the PARUS T1A satellite tv for pc failed to achieve orbit.
Area One, a Japanese house startup, mentioned its second try to launch a rocket carrying satellites into orbit had been aborted minutes after liftoff Wednesday and destroyed itself, 9 months after the corporate’s first launch try led to an explosion.
Area One’s Kairos No. 2 rocket lifted off from a coastal website within the mountainous prefecture of Wakayama in central Japan. The corporate mentioned it had aborted the flight after concluding that it was unlikely to finish its mission.
“We’re very sorry that we couldn’t obtain so far as a closing stage of the mission,” Area One President Masakazu Toyoda instructed a information convention Wednesday. “We don’t contemplate this a failure as a result of we’re getting invaluable information that can assist our pursuit towards a subsequent problem.”
He mentioned he hoped to seek out the trigger to deal with the issues as quickly as doable to attain successful subsequent time.
Firm government and house engineer Mamoru Endo mentioned the abnormality within the first stage engine nozzle or its management system is more likely to have precipitated an unstable flight of the rocket, which began spiraling in midflight and ultimately destroyed itself about three minutes after liftoff, utilizing its autonomous security mechanism.
The Kairos No. 2 rocket was carrying 5 small satellites, together with one from the Taiwanese house company and a number of other from Japanese startups. The Taiwanese satellite tv for pc was PARUS-T1A a 3U CubeSat that featured an FM crossband repeater, in addition to an APRS digipeater to offer international novice actions on the identical frequency of ISS APRS channel 145.825MHz.
A second Taiwanese novice satellite tv for pc, PARUS-T1, carrying an APRS store-and-forward system, continues to be scheduled for launch subsequent month on a SpaceX mission. Each satellites have been constructed by college students at Nationwide Formosa College.
Area One mentioned it had fastened the reason for the debut flight failure, which stemmed from a miscalculation of the rocket’s first-stage propulsion.
Japan hopes the corporate can pave the way in which for a home house trade that competes with the USA.
[ANS thanks the Associated Press and reporter Mari Yamaguchi for the above information]
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NASA Astronauts Face Extra Time In Area With Return Delayed
NASA introduced on Tuesday the most recent delay within the homecoming for Butch Wilmore and Suni Williams, KD5PLB. Their house mission was prolonged once more. Meaning they received’t be again on Earth till spring, 10 months after rocketing into orbit on Boeing’s Starliner capsule.
The 2 take a look at pilots deliberate on being away only a week or so once they blasted off June 5 on Boeing’s first astronaut flight to the Worldwide Area Station. Their mission grew from eight days to eight months after NASA determined to ship the corporate’s problem-plagued Starliner capsule again empty in September.
Now the pair received’t return till the top of March and even April due to a delay in launching their replacements, in response to NASA.
NASA shared a vacation snapshot of astronauts Don Pettit and Suni Williams on Dec. 17. [Credit: NASA Johnson]
NASA’s subsequent crew of 4 was presupposed to launch in February, adopted by Wilmore’s and Williams’ return residence by the top of that month alongside two different astronauts. However SpaceX wants extra time to arrange the model new capsule for liftoff. That launch is now scheduled for no sooner than late March.
Final month, information articles suggesting that Ms. Williams was experiencing well being issues throughout her unplanned prolonged keep in orbit set off widespread rumors on social media. NASA’s medical chief, Dr. James Polk, assured the general public on November 14 that Williams is wholesome and never affected by any medical issues.
“I feel there’s some rumors round outdoors there that I’m shedding pounds and stuff,” Williams mentioned in an interview on November 12. “No, I’m truly proper on the identical quantity. Issues shift round fairly a bit, you understand? ”
Not solely is she wholesome, in response to her and NASA, however they made Williams commander of Expedition 72 crew. As KD5PLB, she continues to be an lively participant in ARISS contacts throughout her time aboard the ISS.
[ANS thanks The Washington Post, Space.com, and NASA for the above information]
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NASA Now Is aware of Why Its Mars Helicopter Crashed
Investigating an plane crash isn’t any easy job right here on Earth. Think about how far more troublesome it will be to diagnose a helicopter accident that happened 69 million miles away with not one of the regular information current to assist. NASA needed to do exactly that after its Ingenuity Mars Helicopter suffered an accident on Jan. 18, 2024, that has since left it grounded in a crater on Mars. And now, after months of accumulating information, the house company might have lastly discovered what occurred.
On April 19, 2021, the NASA Ingenuity Mars Helicopter made historical past by lifting off the Jezero Crater’s flooring and changing into the primary plane to fly on a celestial entity aside from Earth. The helicopter was presupposed to fly solely 5 experimental flights over 30 days to show that flight on Mars was doable. But it surely exceeded all expectations, conducting 72 flights over three years, setting all types of altitude data within the course of, ending with that early 2024 accident.
The wreckage of the Inguity Mars Helicopter as seen by the Mars Rover Perseverance. The helicopter is on the correct and the damaged rotor is roughly 49 ft away on the left. [Photo: NASA/JPL-Caltech/LANL/CNES/CNRS]
The ultimate moments of the helicopter’s flight have been kind of a thriller at first. Ingenuity lifted off prefer it had 71 instances earlier than. Then digicam footage confirmed that it started initiating descent after simply 19 seconds of flight. By the point 32 seconds had elapsed, the helicopter was on the Martian floor once more and had halted communications. Six days later, the helicopter beamed again photographs that confirmed it had sustained extreme rotor-blade injury and would now not have the ability to fly.
Now, NASA believes that the navigation system was in the end responsible. The navigation system used the helicopter’s downward-facing digicam to trace visible options on the bottom. Throughout this closing flight, the helicopter was flying over a portion of the Jezero Crater that’s identified for textured, featureless sand ripples. The navigation system was thus unable to seek out any appropriate floor options to trace for a touchdown.
From there, a number of issues went fallacious. NASA says that the helicopter made onerous contact with a sand-ripple slope, inflicting it to pitch and roll. The sudden change in altitude was an excessive amount of for the rotor blades, and 4 of them broke off at their weakest factors. This precipitated the rotor system to vibrate excessively, which ripped one of many blades clear off. Lastly, the incident generated an extreme energy draw that precipitated communications to fail.
NASA’s graphic depicts the more than likely situation for the accident, through which Ingenuity landed onerous on a sand-ripple slope, inflicting irreparable rotor-blade injury.
[
“When operating an accident investigation from 100 million miles away, you don’t have any black bins or eye witnesses,” mentioned Håvard Grip, Ingenuity’s first pilot and analysis technologist at JPL Robotics. “Whereas a number of situations are viable with the accessible information, now we have one we imagine is more than likely: Lack of floor texture gave the navigation system too little info to work with.”
No one anticipated Ingenuity to final so long as it did. Its flights gave researchers glorious aerial views of our crimson neighbor. Even now, because it lies within the sands of the Jezero Crater, Ingenuity can now not fly however nonetheless beams again climate and avionics information to NASA. The avionics information together with the flight information from Ingenuity’s 72 flights — mixed with Ingenuity’s unbelievable longevity — are serving to NASA develop smaller, lighter avionics for future plane on Mars.
“As a result of Ingenuity was designed to be reasonably priced whereas demanding big quantities of laptop energy, we grew to become the primary mission to fly business off-the-shelf cellphone processors in deep house,” mentioned Ingenuity undertaking supervisor Teddy Tzanetos. “We’re now approaching 4 years of steady operations, suggesting that not every little thing must be greater, heavier and radiation-hardened to work within the harsh Martian atmosphere.”
Tzanetos and his staff are already engaged on one other Mars helicopter. It’s roughly 20 instances heavier than the Ingenuity and is being designed to hold a number of kilos of science gear whereas autonomously exploring distant areas on Mars.
[ANS thanks CNET.com and space reporter Joe Hindy for the above information]
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Adjustments to AMSAT-NA TLE Distribution for Dec. 20
Two Line Parts or TLEs, sometimes called Keplerian components or keps within the novice group, are the inputs to the SGP4 normal mathematical mannequin of spacecraft orbits utilized by most novice monitoring packages. Weekly updates are fully enough for many novice satellites. TLE bulletin information are up to date each day within the first hour of the UTC day. New bulletin information will likely be posted instantly after dependable components grow to be accessible for brand spanking new novice satellites. Extra info could also be discovered at https://www.amsat.org/keplerian-elements-resources/.
This week there are not any additions or deletions to the AMSAT TLE distribution.
[ANS thanks Joe Fitzgerald, KM1P, AMSAT Orbital Elements Manager for the above information]
ARISS SSTV Occasion December 25 – January 5
[ANS thanks ARISS for the above information.]
ARISS NEWS
Amateurs and others around the globe might pay attention to contacts between amateurs working in colleges and permitting college students to work together with astronauts and cosmonauts aboard the Worldwide Area Station. The downlink frequency on which to pay attention is 145.800 MHz worldwide.
RECENTLY COMPLETED:
Zespół Szkół Łączności, Warszawa, Poland, direct by way of SP5KAB
The ISS callsign was presently scheduled to be OR4ISS
The scheduled crewmember was Nick Hague, KG5TMV
The ARISS mentor was SP3QFE
Contact was profitable: Mon 2024-12-16 08:35:06 UTC 71 levels most elevation.
Congratulations to the Zespół Szkół Łączności college students, Nick, mentor SP3QFE, and floor station SP5KAB!
Look ahead to Livestream at https://www.youtube.com/dwell/DBafZYpxolI
Sally Journey Elementary College, Orlando, Florida, direct by way of K1AA
The ISS callsign was presently scheduled to be NA1SS
The scheduled crewmember was Sunita Williams, KD5PLB
The ARISS mentor was AA4KN
Contact was profitable: Tue 2024-12-17 18:49:38 UTC 30 levels most elevation.
Congratulations to the Sally Journey Elementary College college students, Sunita, mentor AA4KN, and floor station K1AA!
Look ahead to Livestream at https://youtube.com/dwell/DuCNyWOPxH0?function=share
UPCOMING:
ARISS faculty contacts are at the moment deliberate to renew the week of 2025-01-13 to 2025-01-19.
Many instances a college might make a final minute determination to do a Livestream or run into a final minute glitch requiring a change of the URL however we at ARISS might not get the URL in time for publication. You’ll be able to at all times test https://dwell.ariss.org/ to see if a college is Livestreaming.
The crossband repeater continues to be ACTIVE (145.990 MHz up {PL 67} & 437.800 MHz down). If any crewmember is so inclined, all they need to do is choose up the microphone, elevate the quantity up, and discuss on the crossband repeater. So give a pay attention, you simply by no means know.
The packet system can also be lively (145.825 MHz up & down) till December 25, when the SSTV occasion begins.
Ham TV – STATUS – Stowed. Default mode is for scheduled digital novice tv operations (2395.00 MHz down).
As at all times, if there may be an EVA, a docking, or an undocking; the ARISS radios are turned off as a part of the security protocol. Powering OFF for U.S. EVA on Jan 23. ON TBD.
Notice, all instances are approximate. It is suggested that you simply do your personal orbital prediction or begin listening about 10 minutes earlier than the listed time.
The newest info on the operation mode might be discovered at https://www.ariss.org/current-status-of-iss-stations.html
The newest listing of frequencies in use might be discovered at https://www.ariss.org/contact-the-iss.html
[ANS thanks Charlie Sufana, AJ9N, one of the ARISS operation team mentors for the above information]
Upcoming Satellite tv for pc Operations
None introduced at the moment.
A rising variety of satellite tv for pc rovers are at the moment engaged in sharing their grid sq. activations on https://hams.at. By visiting the web site, you achieve easy accessibility to complete details about the operators chargeable for activating particular grid squares. Moreover, you may have the power to evaluate the match rating between your self and a selected rover for a given go, whereas additionally having the ability to establish the upcoming satellite tv for pc passes which can be accessible out of your location.
[ANS thanks Ian Parsons, K5ZM, AMSAT rover page manager, for the above information]
AMSAT Ambassador Actions
AMSAT Ambassadors present displays, show speaking by way of novice satellites, and host info tables at membership conferences, hamfests, conventions, maker faires, and different occasions.
February 14-15, 2025
Yuma HAMCON and Southwestern Division Conference
Yuma County Fairgrounds
Yuma, AZ
https://www.yumahamfest.com/
N1UW
[ANS thanks Bo Lowrey, W4FCL, Director – AMSAT Ambassador Program, for the above information]
Satellite tv for pc Shorts From All Over
+ AO-73 (a.okay.a. FUNcube 1) has been switched from autonomous mode to steady transponder mode for the vacation interval. Because of this the transponder is accessible to be used 24/7. AO-73 is anticipated to revert to autonomous mode someday after January 5, 2025. In autonomous mode, the transponder is barely accessible when the satellite tv for pc is in eclipse. (ANS thanks AMSAT-UK for the above info.)
+ Two Chinese language astronauts aboard their nation’s orbiting house station spent 9 hours working outdoors within the chilly vacuum of house, the longest recorded spacewalk, the Chinese language house administration has mentioned. The astronauts on China’s Shenzhou-19 mission, Cai Xuzhe and Track Lingdong, completed their first “extravehicular actions” — spacewalking in fashionable parlance — this week, apparently nudging previous the earlier file of eight hours and 56 minutes set by two American astronauts in 2001, in response to China’s Manned Area Company. The feat was one other signal of China’s ambitions to undertaking its energy and status in house. (ANS thanks The New York Occasions for the above info.)
+ The web information website MSN not too long ago printed a function on the historical past of novice radio and astronauts in orbit, starting with Owen Garriott, W5LFL, in 1983 and persevering with to the current ARISS program. “How Novice Radio Is Connecting Astronauts In Area With Children On Earth” was written by Leonard David. See it at http://bit.ly/4gnfE3y (ANS thanks msn.com for the above info.)
+ The primary Block 2 model of the large SpaceX Starship, Ship 33, not too long ago rolled out for testing and accomplished its first static hearth take a look at. Will probably be stacked on Booster 14 earlier than it’s focused to finish the primary flight of the Block 2 reusable higher stage in January. This upgraded Ship provides catch {hardware} and an extra ring, making it 1.8 m taller and now totaling 124.4 m (408 ft) when ultimately stacked on prime of Booster 14. The added top will permit it to pack 300 tons extra propellant. (ANS thanks The Orbital Index for the above info.)
+ Your AMSAT Information Service volunteer editors, Mark Johns, KØJM; Paul Stoetzer, N8HM; Frank Karnauskas, N1UW; and Mitch Ahrenstorff, ADØHJ, want all of our readers the happiest of holidays.
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This week’s ANS Editor, Mark Johns, KØJM
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