Amateur Radio

28 topics in this forum

1. ionosphere D detection

   By Gabriel.exe, 20 hours ago
   • 11 replies
   • 351 views
   • 
   • WA1ZJL
   • 4 hours ago

2. Sporadic E and Flare activity

   By hamateur 1953, February 4
   • 16 replies
   • 1.8k views
   • 
   • hamateur 1953
   • April 23

3. The “ Russian Woodpecker”

   By hamateur 1953, April 14
   • 0 replies
   • 515 views
   • 
   • hamateur 1953
   • April 14

4. Low SFI and High MUF?

   By Drax Spacex, October 20, 2023
   • 2 replies
   • 759 views
   • 
   • hamateur 1953
   • April 6

5. 50 mhz F2

   By hamateur 1953, November 25, 2023
   • 20 replies
   • 2.2k views
   • 
   • hamateur 1953
   • March 31

6. NRC reports of daily 10.7 cm solar flux

   By hamateur 1953, March 2
   • 11 replies
   • 1.6k views
   • 
   • hamateur 1953
   • March 31

7. Downey Amateur Radio Club Meeting - 03/05/2024

   By AI6OZ, February 26
   • 2 replies
   • 353 views
   • 
   • AI6OZ
   • March 28

8. Downey Amateur Radio Club Monthly Meeting – April 2024

   By AI6OZ, March 28
   • 0 replies
   • 160 views
   • 
   • AI6OZ
   • March 28

9. Sporadic-E Radio Propagation 1 2 3

   By KW2P, March 20, 2023
   • 53 replies
   • 11.8k views
   • 
   • hamateur 1953
   • March 24

10. Ionospheric layers and Ionisation basics

    By hamateur 1953, February 25
    • 0 replies
    • 386 views
    • 
    • hamateur 1953
    • February 25

11. How to read graph?

    By lovewill, February 17   

    • blackout
    • 5 replies
    • 690 views
    • 
    • lovewill
    • February 18

12. E layer ionisation requirements in SFU.

    By hamateur 1953, January 24
    • 18 replies
    • 1.5k views
    • 
    • hamateur 1953
    • January 27

13. Radio Blackout alert

    By M42Sparks, December 5, 2023
    • 2 replies
    • 1.2k views
    • 
    • hamateur 1953
    • December 5, 2023

14. Auroral Es and Sporadic E Skip.

    By hamateur 1953, February 12, 2023
    • 8 replies
    • 3.6k views
    • 
    • hamateur 1953
    • November 28, 2023

15. MUF and live Solar Flux

    By hamateur 1953, October 28, 2023
    • 2 replies
    • 680 views
    • 
    • Drax Spacex
    • October 29, 2023

16. Basics of Shortwave Radio Propagation

    By KW2P, July 11, 2023
    • 2 replies
    • 2.5k views
    • 
    • Philalethes
    • July 11, 2023

17. Why do HF band conditions as the A index increases.

    By farm24, March 1, 2023
    • 17 replies
    • 3.5k views
    • 
    • Drax Spacex
    • March 3, 2023

18. Amateur Radio forum

    By Marcel de Bont, April 22, 2019
    • 4 replies
    • 6.8k views
    • 
    • Alfonso Abrego
    • February 13, 2023

19. Solar maximum predictions, a pool??

    By hamateur 1953, January 7, 2023
    • 17 replies
    • 23.5k views
    • 
    • Sam Warfel
    • January 17, 2023

20. Geomagnetic activity vs. HF in the tropics

    By JayM, August 9, 2022
    • 19 replies
    • 4k views
    • 
    • Bry
    • January 15, 2023

21. What is the current solar flux? Site from Canada seems down.

    By Dr. I, April 20, 2022
    • 17 replies
    • 3.8k views
    • 
    • MinYoongi
    • September 21, 2022

22. Different Locations and Different Propagation

    By Jeff, February 20, 2022
    • 13 replies
    • 3.5k views
    • 
    • JayM
    • July 22, 2022

23. Legend / Colour Scheme of Solar flux Charts ?

    By MozMoret, June 30, 2022
    • 2 replies
    • 3.1k views
    • 
    • MozMoret
    • July 1, 2022

24. Anyone Looking At VLF?

    By Carl F. Pajak, January 6, 2018   

    • vlf
    • elf
    • (and 1 more)

      Tagged with:

      • vlf
      • elf
      • emf
    • 11 replies
    • 8.6k views
    • 
    • hamateur 1953
    • March 4, 2022

25. Learning HF Propagation from Intl. CW Beacon Project

    By HB9VQQ, January 3, 2021
    • 12 replies
    • 5k views
    • 
    • HB9VQQ
    • February 24, 2022