Radio Astronomy and Spectroscopy

810 topics in this forum

1. Welcome to the Radio Astronomy board.

   By Ant, January 29, 2009
   • 8 replies
   • 8.7k views
   • 
   • moonwatcher
   • September 26, 2011

2. Testing Nooelec 1.6GHz mesh antennae for hydrogen line radio observations

   By athornett, February 27
   • 1 reply
   • 291 views
   • 
   • athornett
   • March 30

3. How to orientate mesh satellite dishes for radio astronomy

   By athornett, March 3
   • 0 replies
   • 237 views
   • 
   • athornett
   • March 3

4. Testing Nooelec's new 1.4GHz hydrogen line tuned mesh dishes

   By athornett, February 29
   • 0 replies
   • 160 views
   • 
   • athornett
   • February 29

5. Making a hydrogen line Cantenna

   By athornett, February 25
   • 3 replies
   • 204 views
   • 
   • athornett
   • February 27

6. X6.3 flare from 22/2/24

   By athornett, February 27
   • 0 replies
   • 121 views
   • 
   • athornett
   • February 27

7. Why everyone needs a banana in their kit box.....

   By athornett, January 31
   • 4 replies
   • 465 views
   • 
   • athornett
   • February 6

8. Star Analyser questions

   By Ags, February 4
   • 6 replies
   • 287 views
   • 
   • Ags
   • February 5

9. SX Spectrometer; any opinions?

   By rl, February 5
   • 1 reply
   • 226 views
   • 
   • robin_astro
   • February 5

10. Can't do this with an Optical Telescope :)

    By Alex_Fla, August 16, 2023
    • 2 replies
    • 964 views
    • 
    • Xilman
    • January 18

11. Radio Astronomers say "what is this daytime of which you speak?"...

    By Gfamily, November 2, 2023
    • 1 reply
    • 504 views
    • 
    • Xilman
    • January 18

12. Amateur (Job Geheniau) shows Dark Matter

    By Macavity, August 7, 2023
    • 6 replies
    • 1.1k views
    • 
    • SteveBz
    • January 14

13. How to get from spectra to magnitude?

    By dan_adi, January 3
    • 14 replies
    • 526 views
    • 
    • robin_astro
    • January 4

14. First look at GB3MBA backscatter beacon

    By Tomatobro, June 7, 2023
    • 4 replies
    • 838 views
    • 
    • Spacetrace82
    • December 31, 2023

15. SAWBird+ H1 filter review for hydrogen line radio observing of Milky Way

    By athornett, November 6, 2023
    • 3 replies
    • 398 views
    • 
    • athornett
    • December 27, 2023

16. Radio Interferometry at 1420.405MHz (hydrogen)

    By athornett, November 6, 2023
    • 1 reply
    • 426 views
    • 
    • athornett
    • December 27, 2023

17. pointing with a radio telescope?

    By dan_adi, April 8, 2023
    • 12 replies
    • 1.4k views
    • 
    • athornett
    • December 27, 2023

18. Harvesting a photodiode array from anesthesic equipment.

    By k_neo, December 9, 2023
    • 1 reply
    • 352 views
    • 
    • athornett
    • December 27, 2023

19. Choice of Software Defined Radio (SDR) for radio astronomy

    By athornett, November 6, 2023
    • 14 replies
    • 923 views
    • 
    • Tomatobro
    • December 15, 2023

20. 21cm band. Refurbishing the dish with a new Cantenna. 1 2 3 4 9

    By SteveBz, February 6, 2022
    • 210 replies
    • 11k views
    • 
    • robin_astro
    • December 7, 2023

21. Mapping the Milky Way spiral arms with <1m aerial at 1420.405Mhz (hydrogen)

    By athornett, November 6, 2023
    • 2 replies
    • 505 views
    • 
    • Tomatobro
    • November 14, 2023

22. Neutral Hydrogen Detection - sigh..... 1 2

    By Peter Masters, April 23, 2021
    • 31 replies
    • 3.1k views
    • 
    • athornett
    • November 11, 2023

23. The "AERIAL Man" commeth (a wibble!) :P

    By Macavity, October 11, 2023
    • 13 replies
    • 785 views
    • 
    • Macavity
    • November 9, 2023

24. New Nooelec 1420Mhz tuned mesh antenna

    By athornett, November 6, 2023
    • 2 replies
    • 438 views
    • 
    • athornett
    • November 8, 2023

25. Calibrating a LowSpec3.0 Spectrum of Alpha UMa

    By SteveBz, May 21, 2023
    • 14 replies
    • 1.1k views
    • 
    • athornett
    • October 30, 2023