All Questions
4 questions
3
votes
1
answer
2k
views
Where does the year 2019 fall in the sunspot cycle for HF propagation?
I am reposting this question about the year 2016 here. This is 2019.
Are we now at the good or bad portion of the 11 years cycle?
What effect are we seeing now?
How large (strong/deep) is the effect ...
- 8,174
16
votes
7
answers
14k
views
What is the cause of this unusually long period of terrible HF band conditions?
I've been a ham for over 40 years, but never has there been such a prolonged period of such poor propagation. This has been especially the case over the past six months or so, and they continue to ...
- 8,174
5
votes
2
answers
7k
views
Where year 2016 falls in the sun spot cycle for HF propagation?
Are we now at the good or bad portion of the 11 years cycle? What effect are we seeing now? How large (strong/deep) is the effect during the peak and bottom of cycle? What will change in coming years?
- 552
4
votes
1
answer
210
views
Calculating effective SSN (sunspot number)?
I am doing research on how SSN-like parameters affect HF radio signals. As I can see, effective SSN is a parameter that is derived from SSN or using other parameters. Does anyone know how to calculate ...
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