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Do you know about AREx? It's our our initiative focused on Lunar communications in the Artemis era. We're hopeful for integration with the Lunar Gateway to continue student science in space via #HamRadio. Teams are working on equipment concepts and frequency coordination.
Radio operator positions at AT&T high seas receive site for station KMI at Point Reyes, CA. Operators used the Collins 51S-1 receivers shown to tune in calls from ships while manually selecting the fixed log periodic antenna that provided the best reception.
QUEQIAO-2 data signal on 2287MHz is quiet impressive, albeit in idle mode... QQ1's signal was weaker but it is further away.
Congratulations to @G3VZV
天都二号在 2024-04-08 获得的远红外波段地月合影。
Finally got some time and a good Moon angle to look at the QUEQIAO/TIANDU situation. The group of spacecraft have played musical chairs with their S-band emissions. Here is a summary of their locations / emissions and what they look like in the 🧵⬇️
The heart of an aircraft's artificial horizon is a gyroscope mounted in a double gimbal, which allows the aircraft to pitch and roll as the gyro stays vertically upright [📹 aceaviations]
2019-07-02 日全食，📷龙江二号 CMOS 相机，3 帧
2019-07-02 日全食，📷龙江二号 CMOS 相机，3 帧 https://t.co/jhz0TLWDD0
天都二号在昨天与天都一号分离~
Revisiting the Remote Radio Unit - M17 transmission. The CARI (Common Amateur Radio Interface) protocol allows to run a ZeroMQ PUB/SUB pair at the device, making it a valid sink/source for GNU Radio. TL;DR: we have a remote TRX with baseband being fed over optical fiber. ^SP5WWP
Cutting a hexagon shape on a lathe [🎞️ er.jennifer__]
Queqiao-2 enterered a lunar orbit with 440 km perilune at 1705 UTC Mar 24. The Tiandu-1 probe, with Tiandu-2 still attached to it, entered a 209 km perilune orbit at 1743 UTC Mar 24.
Wireless operator's position, Avro Lancaster British WWII bomber - Imperial War Museum, London. Equipment includes T1154 transmitter and R1155 receiver for radio communications and Fishpond radar warning indicator.
TIANDU-1/2 seems to have come out the other side of Lunar Orbit Capture (LOC) with QUEQIAO-2. I'm aiming at the Moon and will in the coming hours see what can be learned in aiming to peak signal. Doppler recordings of course running too!
DSEL 天都 Tiandu： · SAST 天都一号 Tiandu-1； · HIT 天都二号 Tiandu-2．
TIANDU-1/2 data side bands detected +/- 65536Hz. Very limited data bandwidth around 200Hz.
I have found TIANDU-1/2. At least one of them (likely both still docked) is emitting on 2275.2MHz. Changing polarization RX1=RHCP, RX2=LHCP reveals no difference, so maybe linear polarized. Doppler matches QUEQIAO-2 closely yet signals 10dB weaker...
Pieter Ibelings @ibelings
13K Followers 9K Following #Physicist, #N4IP #HAMR, #SDR, #CUBESAT, #RF, #ANTENNAS, #RADAR, #HARDWARE, #PHASED_ARRAYS, #PCB, @RFSPACE 🇺🇸🇪🇸🇳🇱
Scott Tilley 🇺🇦 @coastal8049
22K Followers 408 Following The most important senses are the ones you build to make you aware of the invisible energy surrounding us all. NOTE: time is always UTC here.
Peter (2M0SQL) @2m0sql
9K Followers 2K Following Radio Amateur (2M0SQL) & Freelance Web Developer @magicbughq (https://t.co/OhMaQRxBg7). The maker of the web-based logging app @cloudloghq
ＦＧ８ＯＪ🏝�.. @FG8OJ
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9K Followers 406 Following Everything space & RF. Amateur radio operator (EA4GPZ / M0HXM). PhD in Mathematics from @Matematicas_UAM. he/him
UHF Satcom 🇬🇧 �.. @uhf_satcom
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5K Followers 2K Following John Brier, KG4AKV. Ham radio space communications videos: https://t.co/Id4PQnddwy. Grid square FM05ps. @[email protected]
Jan - PE0SAT ☮️ @pe0sat
4K Followers 1K Following | Information about Amateur Radio – Satellite experiments |
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4K Followers 1K Following Also licensed as VA7EWK, enjoying the amateur satellites & HF. Owner of an NFL team. Opinions are mine. Also @[email protected] - Find me on the satellites!
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925 Followers 304 Following
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Scott Tilley 🇺🇦 @coastal8049
22K Followers 408 Following The most important senses are the ones you build to make you aware of the invisible energy surrounding us all. NOTE: time is always UTC here.
Peter (2M0SQL) @2m0sql
9K Followers 2K Following Radio Amateur (2M0SQL) & Freelance Web Developer @magicbughq (https://t.co/OhMaQRxBg7). The maker of the web-based logging app @cloudloghq
ＦＧ８ＯＪ🏝�.. @FG8OJ
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Daniel Estévez @ea4gpz
9K Followers 406 Following Everything space & RF. Amateur radio operator (EA4GPZ / M0HXM). PhD in Mathematics from @Matematicas_UAM. he/him
UHF Satcom 🇬🇧 �.. @uhf_satcom
19K Followers 700 Following Monitoring VHF to EHF 📡🛰️since Y2K. Microwaves / CNC / Electronics / Computers / Hacking / InfoSec - Ham Call M0EYT. Politics = instant unfollow + block 📻⚡️
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Jan - PE0SAT ☮️ @pe0sat
4K Followers 1K Following | Information about Amateur Radio – Satellite experiments |
K3RRR @K3TripleR
11K Followers 7K Following Robert - https://t.co/O7fAxtUo5H - Extra, Ham=60 Yrs, Ham Satellite & FT-8 Fanatic, Satellite WAS / GridMaster Award, 8BWAS / 8BDXCC 100w Or Less & A Wire - https://t.co/6JTiTuwtLs
AMSAT-DL @amsatdl
7K Followers 93 Following non-profit, designing, building and operating hamradio #AMSAT satellites since 1973. Home of the Phase3 satellites and first Phase4A geostationary #QO100
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20K Followers 136 Following We let students have the excitement of talking with crew members of the ISS, inspiring them to interests in STEM fields. Event info at https://t.co/lK6Sqbx1CN.
Patrick @WD9EWK
4K Followers 1K Following Also licensed as VA7EWK, enjoying the amateur satellites & HF. Owner of an NFL team. Opinions are mine. Also @[email protected] - Find me on the satellites!
Rob Swinbank @M0DTS
2K Followers 870 Following Amateur Radio - KHz to THz. Amateur Television, electronics, software, 3dPrint etc. #hamradio #teesside #IO94. https://t.co/YShkbXYS16 fb: robert.swinbank.5
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925 Followers 304 Following
Paul Stoetzer @PRStoetzer
2K Followers 3K Following Graduate of Michigan State University and obsessed Spartan fan. Detroit sports fan. Amateur radio operator N8HM. AMSAT Director & Executive Vice President.
RossRadio @cqcqcqdx
9K Followers 156 Following WN8OVD 1973 Novice 1992 Extra Class, CU in CW DX pileup. https://t.co/ZnvgamZkDd
鱼子酱Fish @Tyuzijiang
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lev1_rover_slim @LEV1_Rover_SLIM
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lego11 @original_lego11
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3K Followers 188 Following Tech Geek, iOS & Android Developer, Ham Radio d00d.. Real name: Matt
M17 Project @m17_project
4K Followers 109 Following The M17 Project - Open Source Digital Radio IRC/Discord/Matrix: https://t.co/h24P1qh99p YT: https://t.co/I8zjmf4Mv1
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1K Followers 112 Following We enable sustainability of the new space industry by delivering streamlined propulsion solutions for a wide range of satellite platforms and missions needs 🛰
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394 Followers 175 Following Enthusiastic radio amateur since 1983. #amsat #hamradio
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13 Followers 94 Following
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284 Followers 1K Following Radioamateur since 1979, AMSAT-DL Member, Military Radio Operator
Testing lossless baseband compression method for CARI using FLAC. ^UT/SP5WWP
Do you know about AREx? It's our our initiative focused on Lunar communications in the Artemis era. We're hopeful for integration with the Lunar Gateway to continue student science in space via #HamRadio. Teams are working on equipment concepts and frequency coordination.
Now it's ready to move, adjust the parameters, and then fix the Roll axis, it's not needed on land😁
Radio operator positions at AT&T high seas receive site for station KMI at Point Reyes, CA. Operators used the Collins 51S-1 receivers shown to tune in calls from ships while manually selecting the fixed log periodic antenna that provided the best reception.
Well something special arrived today. A not so little creation from @Celestron.
MicroOrbiter-1 & Curtis, the recent KIBO Module deployments, are now several minutes ahead of the ISS. Still only seeing CW on 400.960, but it's not for lack of looking!
QUEQIAO-2 data signal on 2287MHz is quiet impressive, albeit in idle mode... QQ1's signal was weaker but it is further away.
Congratulations to @G3VZV
The Louis Varney Cup has been awarded to Graham Shirville, G3VZV. He has been nominated by @AmsatUK for his significant contribution over many years in supporting the amateur satellite service 👏 👏 👏 #amateurradio #hamr #RSGBagm
Finally got some time and a good Moon angle to look at the QUEQIAO/TIANDU situation. The group of spacecraft have played musical chairs with their S-band emissions. Here is a summary of their locations / emissions and what they look like in the 🧵⬇️
The heart of an aircraft's artificial horizon is a gyroscope mounted in a double gimbal, which allows the aircraft to pitch and roll as the gyro stays vertically upright [📹 aceaviations]
This is the sky path the Dwingeloo telescope followed just now.
2019-07-02 日全食，📷龙江二号 CMOS 相机，3 帧
2019 年 7 月 2 日日全食，分别由龙江二号卫星从月球轨道和 GOES16、GOES17 从地球静止轨道拍摄。
天都二号在昨天与天都一号分离~
DSEL 天都 Tiandu： · SAST 天都一号 Tiandu-1； · HIT 天都二号 Tiandu-2．
Revisiting the Remote Radio Unit - M17 transmission. The CARI (Common Amateur Radio Interface) protocol allows to run a ZeroMQ PUB/SUB pair at the device, making it a valid sink/source for GNU Radio. TL;DR: we have a remote TRX with baseband being fed over optical fiber. ^SP5WWP
Cutting a hexagon shape on a lathe [🎞️ er.jennifer__]
A quick note. TIANDU and QUEQIAO-2 are in distinctly different trajectories. TIANDU is loitering much closer to the Moon ~4° south, while QUEQIAO-2 is presently on the order of ~8° south. Perhaps TIANDU entered a 24hr period orbit directly?
Queqiao-2 enterered a lunar orbit with 440 km perilune at 1705 UTC Mar 24. The Tiandu-1 probe, with Tiandu-2 still attached to it, entered a 209 km perilune orbit at 1743 UTC Mar 24.
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