12 December 2020

• The article "Radio systems of L1 and LOK series of spacecraft" updated with information gleaned from the release by Jodrell Bank of Zond-6 recordings from 1968.

23 April 2020:

• The article entitled "Information about the early space age that may be lost forever" updated with the launch arrangment for the Elektron satellites.

16 April 2020

• An article entitled "Information about the early space age that may be lost forever" added.

19 March 2020

• The web article "An analysis of the Soyuz-1 flight" updated with new information recently published in QUEST magazine.

4 March 2020

• An article about the Tral-T/Seliger television system for Vostok has been added.

14 February 2020

• A description of my book (available on Amazon ) "Dawn - this is Golden Eagle, listening to Soviet cosmonauts and secret satellites by radio" added.

13 February 2020

• The page "Radio Systems of Soviet/Russian manned spacecraft" has been updated with regard to Vostok radio frequencies/systems

1 May 2018

• A translation of the entire newspaper article from 1993 about the use of U.S. spy balloon film for Luna-3 added.  

14 April 2018

• A translation of an article about the NIP-41E ground station on Cat Mountain , the Crimea, added.
• The article about the tracking of Luna-3 amended to take into account recent information about the Crimean tracking station (see above).

1 April 2018

• An article about the Swedish Freja satellite has been added.

24 March 2018

• An article about my reception of voice signals from the salvage of Salyut-7 in 1985 added. 

27 December 2017

• An article about the launch failure in June 1970 of Europa 1 F9 added in Swedish and in English added.

14 October 2017

• The article "Tracking the Sentinel 5P launch" added.

11 January 2017

• The article "Interkosmos-16" about the Swedish experiment on this satellite added in Swedish and in English .

18 August 2016

• The article Zond-4 and -5 departure and return trajectories was added earlier, but inadvertently left out of this listing.

19 March 2016

• Pictures from the opening of the Kettering Group exhibit at the National Space Center , Leicester, 16 March 2016 added.

8 November 2015

• The article "Vjezna and Zarya voice communications ground stations" added.

15 September 2015

• The article "My pilgrimage to the impact point in Sweden of the V-2 launched on 13 June 1944" added.

10 August 2015

• Color pictures taken at Jodrell Bank by William D Young in 1958-1961 added to part 1 of the article "Jodrell bank's role in early space tracking activities."

26 July 2015

• The article "Swedish human centrifuges delivered to Russia by ASEA" added.

19 Augusti 2014

• The article "The Mercury-Atlas-9 slow-scan TV experiment" added.

27 March 2014

• The article "Cosmonaut Vladimir Vasyutin - a different kind of space hero" added.

26 October 2013

• The article "The last OTRAG rocket - launched from Esrange" greatly updated with new material about the launch from Esrange and the test flights from Zaire in 1977 and 1978.

12 June 2013

• The article "Radio systems of Zond 4-8" has been relabelled and amended as "Radio systems of L1 and LOK series of spacecraft" .

12 June 2013

• A note "Shenzhou-10 tracking" added.

30 April 2013

• An article "Finding signals from Tiangong-1" by Richard S Flagg added.

16 January 2013

• An article "Tracking Briz-K on 15 january 2013" added.

30 December 2012

• An article (in Swedish ) about rocket experiments in Sweden during the 40's added.

22 November 2012

• The article "The Target of N-1launches and nature of 7-L1S spacecraft" updated to discuss the N-1 7L flight.

13 October 2012

• The article "Signals from the Soyuz/Fregat stage launched from Kourou" updated with data on the second Gallileo launch from Kourou.

5 October 2012

• Some notes on the launch of Diamant-A from Hammaguir added.

7 June 2012

• The article about the Swedish sounding rocket project "MAGIC" greatly amended (in Swedish).

6 June 2012

• An article about the Swedish sounding rocket project "Hygrosond-2" added (in Swedish).

5 June 2012

• An article about the Swedish sounding rocket project "NLTE" added (in Swedish).

4 June 2012

• An article about the Swedish sounding rocket project "MERMAID" added (in Swedish).

28 May 2012

• An article about the Swedish sounding rocket project "GYROTEST" added (in Swedish).

3 April 2012

• A new article (in Swedish) about the Astrid-2 microsatellite has been added.

8 March 2012

• En länk till Rymdbolagets utredning "Svensk industripolitik på rymdområdet" daterad den 20 september 1978.
  A link added to the SSC study dated 20 September 1978 "Swedish industrial policy in the space field" (In Swedish).

27 February 2012

• An article about the Swedish sounding rocket project "Hygrosond-1" added (in Swedish).

22 February 2012

• An article about the Swedish sounding rocket project "SPINRAC-Test" added (in Swedish).

16 February 2012

• A brief note on "Signals from the Briz-M stage that launched SES 4, 14 February 2012" added

10 February 2012

• An article about the Swedish sounding rocket project "NLC93 - DECIMALS" added (in Swedish).

6 February 2012

• An article about the Swedish sounding rocket project "NLC91 - DECIMALS" added (in Swedish).

2 February 2012

• An article entitled "The last OTRAG - launched from Esrange" added.

29 January 2012

• A table with technical details and other facts about Swedish research satellites added.
• A graph showing the number of rocket launches from Esrange added.
• An article about statistics about Swedish space research sounding rocket projects added (in Swedish). 

28 January 2012

• An article about the Swedish sounding rocket project ANODE (in Swedish) added.

23 January 2012

• An article about the Swedish sounding rocket project RSG/ATOMIC (in Swedish) added.

22 January 2012

• An article about the Swedish sounding rocket project S41 AURELD-VIP (in Swedish) added.

19 January 2012

• An article about the Swedish sounding rocket project S38 TOR (in Swedish) added.

15 January 2012

• A page with more pictures from the XI International Astronautical Congress (1960) added with captions in both English and Swedish.

12 January 2012

• The article "Tracking Apollo-17 from Florida" greatly updated with more pictures and data.

11 January 2012

• An article about the Journal of the Swedish Interplanetary Society (in Swedish) added.

10 January 2012

• The article about the XI International Astronautical Congress in Stockholm 1960 translated into Swedish.

9 January 2012

• A page describing the the Swedish Interplanetary Society (in Swedish) added.

29 December 2011

• An article about "Soviet/Russian meter-band space radio channels" added.
• The article on PPM-AM telemetry greatly updated with information on the RTS-9 and Tral telemetry systems.

5 November 2011

• An article about the German/US Porcupine/Aries project (in Swedish) added.

24 October 2011

• An article about the Swedish sounding rocket project S36 AURELD-High  (in Swedish) added.

21 October 2011

• An article about Signals from the first Soyuz/Fregat stage from Kourou added.

18 October 2011

• An article about the Swedish sounding rocket project S39/SOAP-WINE  (in Swedish) added.

16 October 2011

• An article about the Swedish sounding rocket project S37/SOAP  (in Swedish) added.

14 October 2011

• An article about the Swedish sounding rocket project S37/CAMP  (in Swedish) added.

9 October 2011

• An article about the Swedish sounding rocket project S26  ION   (in Swedish) added.

31 August 2011

• An article about the Swedish sounding rocket project S32  NLC-OBS   (in Swedish) added.

30 August 2011

• An article about the Swedish sounding rocket project S27 - Twilight   (in Swedish) added.

27 August 2011

• An article about the Swedish sounding rocket project S22 - Aurora   (in Swedish) added.

15 August 2011

• An article about the 50-year aniversary of Sweden's first venture into space (in Swediish) added.

5 August 2011

• The article about the Swedish sounding rocket project S17 - Mor/dotter   (in Swedish) greatly expanded.

18 July 2011

• An article about the Swedish sounding rocket project S18 - D-layer   (in Swedish) added

13 July 2011

• An article about the Swedish sounding rocket projects S13 and S16  (in Swedish) added

22 May 2011

• A 5-minute video showing impressions from the Soviet space exhibition in Stockholm 1966 added.
• Ett 5-minuters videoklipp om den sovjetiska rymdutställningen i Stockholm 1966 inlagt.

21 May 2011

• The article "Radio systems of Soviet Mars and Venus probes" greatly updated. However it needs much more work.

16 April 2011

• The article about Soyuz-1 corrected as to the landing coordinates of the spacecraft.

13 April 2011

• The ground track map and launch time in the article about Sputnik 10 (launched 25 March 1961) corrected.
• The landing time of Vostok amended with new information revealed in April 2011.

10 April 2011

• An interview (in two parts) with the legendary space tracker Geoff Perry made by Jos Heyman in 1986 has been added.

1 January 2011

• An article about the Swedish sounding rocket project "S-29 Ba-GEOS" (in Swedish) added.

19 December 2010

• An article about a trip to Moscow in 2008 entitled " Soup at TsUP - a pilgrimage to the roots of spaceflight" added.

15 December 2010

• An article about the Swedish sounding rocket project "S-23 Substorm GEOS" added (in Swedish).

28 November 2010

• An article aout the Swedish sounding rocket project "S-33 PIRAT - det första svenska rymdbaserade teleskopet" added (in Swedish).

14 November 2010

• An article about Sweden's first microsatellite Astrid-1 added (in Swedish), including pictures from a store-and-forward communications test.

22 August 2010

• The old article "Salyut-5 voice recordings" now includes links to 21 sound files.

15 August 2010

• The article "Tracking the Prisma satellite" added.

18 July 2010

• An article about the Swedish/German sounding rocket project Maxus now "completed" (in Swedish).

9 April 2010

• An article about the Swedish sounding rocket project  "ER-1" added (in Swedish).

21 March 2010

• An article about the Swedish sounding rocket project "Maxus-Test" added (in Swedish).

26 January 2010

• The article about the Swedish sounding rocket project  "K70/1-kampanjen-Twilightsonden" updated
  with much new material, including a video clip.  (in Swedish).

23 January 2010

• An article about the Swedish sounding rocket project  "K-69-kampanjen" added (in Swedish).

15 January 2010

• The article "Some notes on the early Discoverer flights" added.

26 December 2009

• An article about the Swedish sounding rocket project   "S7 - Norrskenssonden (Auroral probe)" added (in Swedish).
• An article about the first Swedish satellite  Viking added (in Swedish).   

10 December 2009

• An article about the Swedish sounding rocket project   "S35 OXYGEN" added (in Swedish).

24 November 2009

• An article about a Swedish microgravity experiment on a NASA Starfighter jet in 1982 added ( Swedish ) ( English).

14 November 2009

• The article "Rexus-1, the first Swedish student sounding rocket" added. ( Swedish ) ( English). 

20 September 2009

• The article Tracking Briz-M on 7-18 September 2009  added.

24 June 2009

• I have started adding video clips to this site, and I have started at bottom of the following old articles:
  • "Tracking Apollo 17 from Florida"
  • "How I caught "The Space Bug" and somehow started tracking satellites by radio"
  • "A Short History of the "Kettering Group"

14 April 2009

• The article "Signals on 137.905 MHz from Megsat-1" added.

4 April 2009

• The article "Briz-M tracking 3-4 April 2009" added.

22 March 2009

• The article "Tracking Briz-K/GOCE March 2009" added.

27 February 2009

• The article "Tracking Block DM on 26 February 2009" added.

11 February

• The article "Tracking Briz-M on 11 February 2009" added.

3 February 2009

• A page showing Signals from Iran's OMID satellite added.

31 January 2009

• The Astrid-2 photo album , showing scenes from the launch of this Swedish microsatellite from Plesetsk in December 1998, added.

21 December 2008

• Updates made to the two articles "Sputnik-6 and the failure of 22 December 1960" and "The flights of Korabl-Sputnik 4 and 5, the final laps to human spaceflight!"
  using new radio tracking information  from "Radio Observations of USSR Satellite Ships", Y Nakata, M Kan, Y Arima, K Araki, Radio Research Laboratories,
  Ministry of Posts and Telecommunications, Tokyo, Japan, May 1963. Prepared for Air Force Cambridge Research Laboratories. Available as PDF-file through
  http://www.dtic.mil/dtic/. Thanks to Bob Christy for informing me about this fascinating source!

12 December 2008

• The article "Tracking Briz-M on 10 December 2008" added.

7 November 2008

• The article " Tracking Briz-M on 6 November 2008" added.

8 October 2008

• The article "Tracking Shenzhou 7 from Honolulu" by Richard Flagg added.

5 October 2008

• The article "The radio systems of the early Luna probes" has been greatly updated with much new material.
  Thanks to Don P Mitchell, Igor Lissov and Dwayne Day for their help.

19 August 2008

• The article "Tracking Briz-M on 19 August 2008" added.

18 June 2008

• The article  "Some pictures from visits to space history attractions in the Moscow area 25 May-1 June 2008 " added.

9 June 2008

• The article  "Minute technical details from the Energia and Kaluga Museums" added.

16 March 2008

• The article "Repeated, brief signals on 2242.5 MHz - what they turned out to be!" added.

12 January  2008

• All audio files converted to the mp3 format. All RealMedia files should now be gone.

9 January 2008

• The article "Signal spectrum of Sweden's Odin satellite" added.

3 January 2008

• The article "Tracking NOSS 3 from Sweden" added.

28 December 2007

• The article "Tracking the Chinese Moon probe Chang'E-1 from Sweden" added.

26 December 2007

• The article "Various satellite tracking results using a Software-Defined Receiver" added.
• The article "Sputnik-3, its flight and  radio systems" updated with new data on the command radio link frequency and modulation.
  Thanks to Amy Collins for providing the link to this data!

14 December 2007

• An article in Swedish ”Den svenska satelliten” – ett visionärt projekt från 1960-talet added.

25 November 2007

• The article "Finally picking up Selene in Stockholm" added
• The article "Tracking Briz-M on 18 November 2007" has been updated with new information

18 November 2007

• The article “Tracking Briz-M on 18 November 2007” added.

7 October 2007

• The article “Finally on the air on S-band” added.

15 September 2007

• The article “University of Florida Student Satellite Tracking Station” by Richard S Flagg added.

4 March 2007

• The article “Gemini Radio Systems” added.

3 October 2006

• The image collection "The unveiling of the cabin layout of Virgin Galactic's SpaceShipTwo" added.

26 August 2006

• The article "Tracking Oko from Sweden" added.

4 August 2006

• The article "Molniya-1 tracking from Sweden" added.

25 March 2006

• The article "Sputnik-3, its flight and  radio systems" updated with new data on the telemetry code used to transmit radiation data.

22 January 2006

• A new article "Sputnik-3, its flight and  radio systems" added.