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home QRZCQ - The database for radio hams 
 
2021-04-21 10:09:10 UTC
 

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Sun data and propagation

Current HF propagation

TODAYS SUN DATA AND HF PROPAGATION
Todays sun data

Latest EIT-304 image // Sun images from NASA

Flux index:80
Spot number:54
X-Ray index:A0.0
A index:13
Kp index:2
 
Conditions 00-10MHz:Poor
Conditions 10-20MHz:Closed
Conditions 20-30MHz:Closed
We are working on the algorithm, conditions shown here may not correlate with real conditions.
The best check is always to power up your HF rig and listen on every band to be sure!


GRAPHICAL SUN DATA HISTORY

PROPAGATION BASED ON WSPRNET* (ALPHA)
Probability of QSO on 23cm between OC and OC is 6%
Probability of QSO on 70cm between NA and NA is 33%
Probability of QSO on 2m between NA and NA is 100%
Probability of QSO on 2m between OC and OC is 19%
Probability of QSO on 6m between NA and NA is 56%
Probability of QSO on 6m between EU and EU is 57%
Probability of QSO on 10m between EU and AF is 4%
Probability of QSO on 17m between EU and AF is 14%
Probability of QSO on 20m between NA and SA is 3%
Probability of QSO on 20m between AS and EU is 22%
Probability of QSO on 20m between AF and SA is 0%
Probability of QSO on 20m between AF and EU is 22%
Probability of QSO on 20m between AS and SA is 11%
Probability of QSO on 20m between AS and AF is 3%
Probability of QSO on 20m between OC and AF is 9%
Probability of QSO on 20m between NA and AF is 4%
Probability of QSO on 20m between EU and AF is 29%
Probability of QSO on 20m between AS and OC is 9%
Probability of QSO on 30m between AF and EU is 19%
Probability of QSO on 30m between AF and SA is 20%
Probability of QSO on 30m between NA and SA is 5%
Probability of QSO on 30m between EU and AF is 11%
Probability of QSO on 30m between AS and OC is 11%
Probability of QSO on 40m between SA and AF is 100%
Probability of QSO on 40m between EU and AS is 16%

* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database
PROPAGATION BASED ON DX-CLUSTER
Conditions at 00-10MHz (41%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%0%0%
AS0%2%1%0%1%1%
EU0%0%80%0%0%0%
NA0%5%1%3%3%2%
OC0%1%0%2%0%0%
SA0%0%1%0%1%2%
Conditions at 10-20MHz (45%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%0%0%
AS0%2%10%0%2%0%
EU1%14%53%0%4%6%
NA0%2%0%1%2%0%
OC0%0%1%0%0%0%
SA0%2%1%0%0%1%
Conditions at 20-30MHz (6%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%3%0%
AS0%18%9%0%12%0%
EU6%20%26%0%6%0%
NA0%0%0%0%0%0%
OC0%0%0%0%3%0%
SA0%0%0%0%0%0%
Conditions at 50-54MHz (9%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%0%0%
AS0%2%2%0%0%0%
EU0%0%93%0%0%0%
NA0%0%0%4%0%0%
OC0%0%0%0%0%0%
SA0%0%0%0%0%0%

HISTORICAL PROPAGATION DATA

Last 30 days of HF propagation

Date and TimeFlux idx.Spot num.X-Ray idx.X-Ray numA-IndexK-Index00-10MHz10-20MHz20-30MHz
2021-04-21 00:00:008636A0.00123FairPoorClosed
2021-04-20 12:00:000FairFairFair
2021-04-20 00:00:007815A0.00164ClosedClosedClosed
2021-04-19 12:00:007815A0.00163PoorClosedClosed
2021-04-19 00:00:000PoorClosedClosed
2021-04-18 12:00:000PoorClosedClosed
2021-04-18 00:00:000PoorClosedClosed
2021-04-17 12:00:007744A0.00195ClosedClosedClosed
2021-04-17 00:00:007222A0.00215ClosedClosedClosed
2021-04-16 12:00:007222A0.00133PoorClosedClosed
2021-04-16 00:00:007417A0.00131FairPoorClosed
2021-04-15 12:00:007417A0.0075PoorClosedClosed
2021-04-15 00:00:007316A0.0052FairPoorClosed
2021-04-14 12:00:000FairFairFair
2021-04-14 00:00:008316A0.0051FairFairFair
2021-04-13 12:00:000FairFairFair
2021-04-13 00:00:00730A0.0061FairFairFair
2021-04-12 12:00:00730A0.0061FairFairFair
2021-04-12 00:00:00700A0.0062FairPoorClosed
2021-04-11 12:00:000FairFairFair
2021-04-11 00:00:00780A0.0041FairFairFair
2021-04-10 12:00:000FairFairFair
2021-04-10 00:00:00740A0.0050FairFairFair
2021-04-09 12:00:00740A0.0040FairFairFair
2021-04-09 00:00:00760A0.0052FairPoorClosed
2021-04-08 12:00:00760A0.00170FairPoorClosed
2021-04-08 00:00:007411A0.00183PoorClosedClosed
2021-04-07 12:00:007411A0.0033FairPoorClosed
2021-04-07 00:00:000FairFairFair
2021-04-06 12:00:000FairFairFair
2021-04-06 00:00:007011A0.0050FairFairFair
2021-04-05 12:00:007011A0.0031FairFairFair
2021-04-05 00:00:007312A0.0040FairFairFair
2021-04-04 12:00:007312A0.0041FairFairFair
2021-04-04 00:00:00720A0.0041FairFairFair
2021-04-03 12:00:00720A0.0061FairFairFair
2021-04-03 00:00:000FairFairFair
2021-04-02 12:00:00780A0.0081FairFairFair
2021-04-02 00:00:000FairFairFair
2021-04-01 12:00:00740A0.00102FairPoorClosed
2021-04-01 00:00:00800A0.00102FairPoorClosed
2021-03-31 12:00:00800A0.0032FairPoorClosed
2021-03-31 00:00:007413A0.0041FairFairFair
2021-03-30 12:00:007413A0.0041FairFairFair
2021-03-30 00:00:007511A0.0051FairFairFair
2021-03-29 12:00:007511A0.0061FairFairFair
2021-03-29 00:00:008011A0.00101FairFairFair
2021-03-28 12:00:000FairFairFair
2021-03-28 00:00:000FairFairFair
2021-03-27 12:00:008024A0.00121FairFairFair
2021-03-27 00:00:007924A0.00122FairPoorClosed
2021-03-26 12:00:000FairFairFair
2021-03-26 00:00:000FairPoorClosed
2021-03-25 12:00:008426A0.00104PoorClosedClosed
2021-03-25 00:00:000FairFairFair
2021-03-24 12:00:007926A0.00113FairPoorClosed
2021-03-24 00:00:008023A0.00122FairPoorClosed
2021-03-23 12:00:008023A0.0082FairPoorClosed
2021-03-23 00:00:000FairFairFair
2021-03-22 12:00:007712A0.00242PoorClosedClosed

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