RocketLab launch There and Back Again - May 2, 2022 at 10:49 PM (UTC)

Launched from Pad A at Rocket Lab Launch Complex 1 on New Zealand’s Mahia Peninsula, the “There And Back Again” mission was Rocket Lab’s 26th Electron launch.

The “There And Back Again” mission deployed 34 satellites to a sun synchronous orbit for a variety of customers including Alba Orbital, Astrix Astronautics, Aurora Propulsion Technologies, E-Space, Spaceflight Inc., and Unseenlabs, and brought the total number of satellites launched by Electron to 146.

“There And Back Again” was also a recovery mission where, for the first time, Rocket Lab caught Electron’s first stage as it returned from space under parachutes using a helicopter. The successful catch brings Electron one step closer to being the first reusable orbital small sat launcher.

At least two satellites that will be active in 70cm frequencies and have no IARU coordination.

TRSI-2 and TRSI-3 437.075 Mode: CW.MFSK and SSTV information from the satellite developer

Information source

what about this coordination ?

That is the coordination for TRSI-Sat or TRSI-1 and doesn’t automatically apply to TRSI-2 and or TRSI-3.

From what I understand, sorry if I’m wrong, this applies to the ITU coordination too. In the ITU list the original TRSI appears, but not these new ones, or at least it is confusing.


Apart from all the confusion, is there any further information available that maybe somebody can share?

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@movax Hi Paul can you any updates on TRSI-2 and 3?

Hi Jan!
The TLEs we got two days ago are from Spaceforce.
The first 32 are almost in the same place, the other two are a tiny bit away.
I saw that the TRSI2+3 beacons are visible in SatNogs observations from today on. They look like dots (CW+FM) beacons, shortly after each other. Depending on battery voltage every 30 or 60 seconds.

I tried to get SSTV images down via command: motorized 14dB yagi with 50W output, but it didn´t work. I made measurements in the lab and saw that we´ll need 50W minimum at good conditions - not taking into account atmospheric attenuation - so they are a bit deaf. We might eventually need even more power.
Robert Kiendl tried the same, wuth no results.
I contacted two HAMs who have high power transmitters to ask them to get through.
I get good signals with omni and excellent signals with rotator yagi: 30dB SNR at 30° elevation.
Below is an example of yesterdays SatNogs waterfall. I think they will be better at higher elevations and sensitive stations. You can use SSB to hear the beacons, they gave three tones, ramping up or down (TRSI2/3) and an FM beep (like USB plug in/out).

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Hi Paul,

Thanks for the information, I was looking at the SatNOGS observation and object 88432, the temporary object used by Space Track has the best match. I have changed this temporary object so it is matching the temporary SatNS object. 99404 and 99403.

1 99404U          22126.48632417 +.00011260 +00000+0 +64896-3 0 00091
2 99404  97.4477 212.3283 0008358 332.7935  27.2857 15.12526632002009
1 99403U          22126.48723024 +.00007059 +00000+0 +41305-3 0 00096
2 99403  97.4510 212.3495 0007298 345.7496  14.3528 15.12123822002005

Do you know if both satellites are active, I do get the impression there are two active when examining the received signals.


Yes, both are active. Very cool that you found the match.
I´ll inform Spaceforce with appreciation in your favor.

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Apart from the information shared on Union Aerospace: TRSI Sat info is there a decoder available?

Apart from these sat, the Myradar-1 is missing, I look for it in the ITU lists and it does not appear. Any idea ?

Well finally find TRSI4 or MyRADAR-1, 8100 MHZ DW , 2-PSK 2 W output power
more here:

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