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Today we turned on the transmitter on the UmKA-1 satellite, for which I made data packaging for transmission on the air. This test was successful!
Recently, I was invited to a project to develop an amateur satellite UmKA-1. I am currently developing an S-band transmission protocol for this satellite. The transmission protocol is based on the CCSDS protocol but has a modified transport frame. Also it has CONV 1/2 and PN :)
We have made a data converter for the ComTech CDM-625A satellite modem. The modem uses the RS422 interface to receive and transmit data. The converter connects the PC and modem together. I fed the modem a recorded I/Q signal from Meteor M2-2 satellite, and everything worked!
To receive signals sent by my satellite transmitter, today I received this satellite modem @ComtechTel CDM-625A!
So, since I'm currently part-time development of satellite transmitters, I refer to the CCSDS documents quite often. And so, now I have ordered a CCSDS reference book from the printing house for myself with a description of channel coding, which I can use in my development :)
Today's image from the onboard camera of the GEOSCAN-5 satellite, which carries a satellite payload that I helped develop! :3
To receive signals sent by my satellite transmitter, today I received this satellite modem @ComtechTel CDM-625A!
Literally last night we received a signal from my transmitter, which is installed on the satellite! At the moment, it is QPSK 250kS/s CCSDS (FEC1/2 + RS), but also tested on QPSK 1MS/s!
Just a beautiful border of the day and night from a height of 500 km! Photo from the satellite InnoSat-16 :)
Literally last night we received a signal from my transmitter, which is installed on the satellite! At the moment, it is QPSK 250kS/s CCSDS (FEC1/2 + RS), but also tested on QPSK 1MS/s!
Some time ago, I did a lot of work programming payloads for two 3U satellites. And now, very soon, they will be launched into orbit! Incredible!
NOAA 15 did some fun stuff on HRPT after the initial failed decommissioning attempt! The Earth limb is visible in some parts as the satellite was tumbling due to stabilization equipment being disabled. 221 @ 18:25Z yesterday, received by Nils from Von Storch Engineering
This beautiful image of St. Petersburg and the Gulf of Finland was captured on the afternoon of August 9 by the onboard camera of our new 3U format satellite, InnoSat-3.
Route survey of the Earth's surface by a small satellite of the CubeSat-3U format "Geoscan-1". The survey was carried out by the Cyclops camera with a long-focus lens. The satellite, during the survey, was oriented by the camera exactly to the point under the satellite.
I received this beautiful image over the Norwegian Sea last Saturday when I was working with the GEOSCAN-1 satellite. This satellite has two cameras: one with a wide-angle lens and the other with a long-focus lens. Greenland is on top, and Svalbard is on the right!
This beautiful image was captured by our 16U CubeSat InnoSat-16 using a wide-angle lens early this Saturday morning as it flew over St. Petersburg!
On the basis of the 🇷🇺 Institute of Space Research of the Russian Academy of Sciences, on the morning of July 29, they received such an image from an Elektro-L3 satellite at a frequency of 7500 MHz. The received signal/noise: ~ 8.9 - 9.1 dB. BB when receiving a signal: 60 MHz
All nine of our new satellites, including Cubesat-16U, successfully transmitted signals with telemetry, 3-5 hours after launch! This photograph was received from the satellite 16U Innosat-16 in the first days of the existence of a satellite in orbit!
Very soon, 9 satellites made on the Geoscan platform will be launched into orbit, including one CubeSat-16U satellite. This is the InnoSat-16 satellite. The InnoSat-16 satellite is equipped with a 2.5m/px panchromatic camera for photographing the Earth in high resolution.
This is a video with the launch of a rocket. It is incredible! So close, but also very far!
So, a week ago, on July 25, I was at the cosmodrome and watched the launch of the Soyuz-2.1B rocket from the Vostochny cosmodrome, on which there were nine of our new satellites! In these photos you can see the rocket during transportation to the starting table!
2025-07-25 Reception of telemetry in GFSK GeoScan mode @ 9600 bd from the 🇷🇺 3U CubeSats, launched this morning: 🛰️ InnoSat3 RS92S0 on 436.436 MHz 🛰️ GeoScan-1 RS92S1 on 435.970 MHz 🛰️ GeoScan-2 RS92S2 on 436.160 MHz 🛰️ GeoScan-3 RS92S3 on 435.740 MHz @CubeSatOperator Thread 🧵⬇️
Some time ago, I did a lot of work programming payloads for two 3U satellites. And now, very soon, they will be launched into orbit! Incredible!
So, after almost 4 years since the start of the development of my X-Band converter, I finally received a photo from the Elektro-L3 satellite!
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