Radio Astronomy and Spectroscopy

744 topics in this forum

1. Welcome to the Radio Astronomy board.

   By Ant, January 29, 2009
   • 8 replies
   • 7.1k views
   • 
   • moonwatcher
   • September 26, 2011

2. Where can I buy a Legit 1420 MHZ Feedhorn for my 2.3m Parabolic Dish?

   By Am33r, May 6
   • 4 replies
   • 252 views
   • 
   • Am33r
   • May 24

3. So I bought a Star Analyser 100... 1 2

   By PhotoGav, November 5, 2019
   • 25 replies
   • 1.8k views
   • 
   • woldsman
   • May 11

4. [Big] old satellite dishes for radio astronomy?

   By Rusted, April 18
   • 9 replies
   • 226 views
   • 
   • Victor Boesen
   • May 5

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

   By Peter Masters, April 23
   • 28 replies
   • 449 views
   • 
   • Peter Masters
   • May 5

6. W. M. Keck Observatory upgrades Low Resolution Imaging Spectrometer

   By Spile, May 4
   • 0 replies
   • 59 views
   • 
   • Spile
   • May 4

7. Help with Spectrum Lab Settings

   By badger111, April 27, 2015
   • 9 replies
   • 3.4k views
   • 
   • astrospade
   • May 3

8. Building A Horn Antenna Radio Scope - Advice Needed

   By saac, April 8
   • 24 replies
   • 366 views
   • 
   • saac
   • April 13

9. Anyone doing hydrogen line observing? 1 2 3 4 12

   By Carl Reade, August 19, 2018
   • 280 replies
   • 19.4k views
   • 
   • Victor Boesen
   • April 11

10. Three spectra of Quasars at redshifts >4.3

    By robin_astro, April 11
    • 0 replies
    • 95 views
    • 
    • robin_astro
    • April 11

11. Methanol spectral line at 12.2 GHz

    By Ed astro, February 26
    • 13 replies
    • 363 views
    • 
    • Ed astro
    • April 11

12. CD diffraction grating

    By ZiHao, March 20
    • 2 replies
    • 192 views
    • 
    • vlaiv
    • March 20

13. A quick review of a new Radio Meteor Data Logger that tackles head echoes

    By Geminids, September 21, 2019
    • 5 replies
    • 711 views
    • 
    • johnb
    • March 18

14. Spectrometer

    By JRWASTRO, March 13
    • 11 replies
    • 302 views
    • 
    • JRWASTRO
    • March 16

15. Recommendations, please for Spectrum Analyser software.

    By SteveBz, March 4
    • 8 replies
    • 319 views
    • 
    • Gasman
    • March 12

16. Check on SA100 results from Capella.

    By SteveBz, March 2
    • 7 replies
    • 263 views
    • 
    • Merlin66
    • March 4

17. How to improve these SA100 results?

    By SteveBz, February 19
    • 5 replies
    • 242 views
    • 
    • SteveBz
    • February 20

18. Can a milky way stars radial velocity be measured to within 1.5 m/s?

    By Physics_dude, January 24
    • 16 replies
    • 493 views
    • 
    • Physics_dude
    • January 27

19. How to focus a spectrometer? 1 2 3

    By SteveBz, January 3
    • 50 replies
    • 908 views
    • 
    • SteveBz
    • January 24

20. Measuring redshift change as earth spins

    By Physics_dude, January 18
    • 4 replies
    • 324 views
    • 
    • Physics_dude
    • January 19

21. OMG

    By Neil H, December 5, 2020
    • 3 replies
    • 346 views
    • 
    • stubeeef
    • January 19

22. Graves Meteor Scatter- It was going so well

    By catburglar, January 12
    • 3 replies
    • 284 views
    • 
    • Geminids
    • January 12

23. Meteorscatter using GRAVES

    By wxsatuser, October 4, 2018
    • 9 replies
    • 1.1k views
    • 
    • wxsatuser
    • January 8

24. Spectroscopy - faint target v bright moonlight

    By robin_astro, January 2
    • 6 replies
    • 280 views
    • 
    • robin_astro
    • January 7

25. A few Quadrantids

    By wxsatuser, January 3
    • 1 reply
    • 179 views
    • 
    • wxsatuser
    • January 3