Satellite communications
AMSAT-DL proposal to ESA for a Geostationary Microwave Ham Radio Payload
April 11th 2024
Fullduplex operation in FT8 and FT4 via QO-100
April 10th 2023
Manual for the AMSAT-DL Highspeed Multimedia Modem Software for from Kurt DJ0ABR
May 26th 2022
Dualband Feed for EsHail-2
June 3rd 2021
INMARSAT antenna system analysis and evaluation
May 17th 2021
The new AMSAT-DL Highspeed Multimedia Modem for the QO-100 narrowband transponder
Dec. 5th 2020
Portable station for QO-100 based on the modules of AMSAT-DL
Sept. 27th 2020
Portable station for QO-100 based on the modules of AMSAT-DL - Presentation at the AMSAT-DL Online Symposium 2020
Sept. 26th 2020
Agenda for the AMSAT-DL Online Symposium 2020
Sept 19th 2020
UoSAT-1 bulletins #100 - #109 received by DB2OS
May 23rd 2020
UoSAT-1 bulletins #080 - #100 received by DB2OS
UoSAT-1 bulletins #065 - #079 received by DB2OS
UoSAT-1 bulletins #041 - #064 received by DB2OS
UoSAT-1 bulletins #010 - #040 received by DB2OS
QO-100 NB transponder - Presentation at the AMSAT-DL Symposium 2019
Nov. 11th 2019
Portable setup for QO-100 SSB operations
Oct. 23rd 2019
Transcript of the questions from the students and answers from Luca Parmitano in English including the recorded original sound
Oct. 17th 2019
Video from the ARISS school contact of Luca Parmitano on the ISS with students of GHSE Emmendingen in Europapark Rust
Comparison of Dual-Band Feeds POTY and from DJ7GP for QO-100
Aug. 9th 2019
Case study of a SDR based ground station for Quatar OSCAR-100 - Presentation at Microwave & EME Symposium in Gajow/Poland 2019
June 9th 2019
EsHail-2 / Qatar OSCAR-100 400 Baud PSK beacon - Description of Telemetry Block Format of AO-13 for reference
Mar. 14th 2019
Reception results of the engineering beacon of Eshail-1, EsHail-2 and BADR-7
Jan. 22nd 2019
3D printing a 1U Cubesat
Jun. 5th 2018
MIRNEWS - Collection of most of the excellent bulletins issued 1991-2001 by Chris van den Berg
Apr. 24th 2016
VHF/UHF satellite frequencies for Frequency Manager in SDR# (based on frequency tables from Maik Hermenau)
Aug. 19th 2015
Orbitron Note Files
Mar. 15th 2014
Table of artificial satellites launched in 1992
Apr. 15th 2011
Table of artificial satellites launched in 1993
Nov 13th 2010
Table of artificial satellites launched in 1991
Oct 17th 2010
Table of artificial satellites launched in 1990
Table of artificial satellites launched in 1989
Table of artificial satellites launched in 1988
Table of artificial satellites launched in 1987
Table of artificial satellites launched in 1986
Table of artificial satellites launched in 1985
Table of artificial satellites launched between 1977 and 1984
Table of artificial satellites launched between 1957 and 1976
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