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home QRZCQ - The database for radio hams 
 
2021-07-27 07:38:15 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:81
Spot number:25
X-Ray index:A0.0
A index:4
Kp index:1
 
Conditions 00-10MHz:Fair
Conditions 10-20MHz:Fair
Conditions 20-30MHz:Fair
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 10%
Probability of QSO on 23cm between AS and AS is 66%
Probability of QSO on 70cm between NA and NA is 20%
Probability of QSO on 2m between NA and NA is 29%
Probability of QSO on 2m between AS and EU is 1%
Probability of QSO on 6m between AS and AS is 98%
Probability of QSO on 6m between OC and OC is 7%
Probability of QSO on 6m between NA and NA is 64%
Probability of QSO on 6m between EU and EU is 41%
Probability of QSO on 15m between AS and AF is 53%
Probability of QSO on 15m between EU and NA is 15%
Probability of QSO on 15m between EU and AF is 33%
Probability of QSO on 17m between EU and AF is 46%
Probability of QSO on 17m between AS and AF is 8%
Probability of QSO on 20m between AS and AF is 36%
Probability of QSO on 20m between AF and NA is 32%
Probability of QSO on 20m between OC and AF is 33%
Probability of QSO on 20m between AS and OC is 4%
Probability of QSO on 20m between EU and AF is 57%
Probability of QSO on 20m between NA and OC is 12%
Probability of QSO on 20m between NA and EU is 34%
Probability of QSO on 20m between NA and AF is 6%
Probability of QSO on 30m between OC and AF is 4%
Probability of QSO on 30m between AF and EU is 12%
Probability of QSO on 30m between AF and OC is 24%
Probability of QSO on 30m between EU and AF is 18%
Probability of QSO on 40m between EU and AF is 8%
Probability of QSO on 40m between SA and OC is 13%
Probability of QSO on 40m between NA and AF is 10%
Probability of QSO on 60m between NA and EU is 78%
Probability of QSO on 80m between AS and EU is 100%
Probability of QSO on 80m between OC and NA is 17%

* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database
PROPAGATION BASED ON DX-CLUSTER
Conditions at 00-10MHz (25%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%1%0%0%0%
AS0%0%0%0%0%0%
EU0%1%65%6%6%0%
NA1%0%3%1%0%2%
OC2%0%3%3%9%0%
SA0%0%0%1%0%0%
Conditions at 10-20MHz (53%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%0%0%
AS1%3%5%1%2%0%
EU1%10%28%20%11%1%
NA1%1%12%1%2%0%
OC1%1%4%1%2%0%
SA0%0%0%0%0%0%
Conditions at 20-30MHz (14%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%0%0%
AS0%6%2%0%2%0%
EU0%9%52%2%12%0%
NA0%0%0%0%0%0%
OC0%9%3%3%3%0%
SA0%0%0%0%0%0%
Conditions at 50-54MHz (10%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF0%0%0%0%0%0%
AS0%0%4%0%0%0%
EU0%13%82%0%0%0%
NA0%0%0%0%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
2021-07-27 00:00:008224A0.0041FairFairFair
2021-07-26 12:00:008224A0.0031FairFairFair
2021-07-26 00:00:008435A0.0031FairFairFair
2021-07-25 12:00:008435A0.0041FairFairFair
2021-07-25 00:00:008746A0.0041FairFairFair
2021-07-24 12:00:008746A0.0042FairPoorClosed
2021-07-24 00:00:008977A0.0042FairPoorClosed
2021-07-23 12:00:008977A0.00111FairFairFair
2021-07-23 00:00:009486A0.00111FairNormalNormal
2021-07-22 12:00:009486A0.0064ClosedPoorClosed
2021-07-22 00:00:008759A0.0060FairFairFair
2021-07-21 12:00:008759A0.00102FairPoorClosed
2021-07-21 00:00:008345A0.0083FairPoorClosed
2021-07-20 12:00:008345A0.0073FairPoorClosed
2021-07-20 00:00:008042A0.0072FairPoorClosed
2021-07-19 12:00:008042A0.0041FairFairFair
2021-07-19 00:00:007753A0.0042FairPoorClosed
2021-07-18 12:00:007753A0.0041FairFairFair
2021-07-18 00:00:007535A0.0041FairFairFair
2021-07-17 12:00:007535A0.0041FairFairFair
2021-07-17 00:00:007422A0.0042FairFairFair
2021-07-16 12:00:007422A0.00100FairFairFair
2021-07-16 00:00:007223A0.00103FairPoorClosed
2021-07-15 12:00:007223A0.00142PoorClosedClosed
2021-07-15 00:00:007211A0.00143PoorClosedClosed
2021-07-14 12:00:007211A0.0052FairPoorClosed
2021-07-14 00:00:007222A0.0071FairFairFair
2021-07-13 12:00:007222A0.0071FairFairFair
2021-07-13 00:00:007423A0.0073FairPoorClosed
2021-07-12 12:00:007423A0.0041FairFairFair
2021-07-12 00:00:007424A0.0051FairFairFair
2021-07-11 12:00:007424A0.0061FairFairFair
2021-07-11 00:00:007423A0.0062FairPoorClosed
2021-07-10 12:00:007423A0.0051FairFairFair
2021-07-10 00:00:007323A0.0052FairPoorClosed
2021-07-09 12:00:007323A0.0041FairFairFair
2021-07-09 00:00:007625A0.0041FairFairFair
2021-07-08 12:00:007625A0.0062FairFairFair
2021-07-08 00:00:008352A0.0062FairPoorClosed
2021-07-07 12:00:008352A0.0082FairPoorClosed
2021-07-07 00:00:008943A0.0082FairFairFair
2021-07-06 12:00:008943A0.0072FairPoorClosed
2021-07-06 00:00:009160A0.0072FairPoorClosed
2021-07-05 12:00:009160A0.0032FairPoorClosed
2021-07-05 00:00:009481A0.0031FairNormalNormal
2021-07-04 12:00:009481A0.0041FairNormalNormal
2021-07-04 00:00:009572A0.0040FairFairFair
2021-07-03 12:00:009572A0.0051FairFairFair
2021-07-03 00:00:009456A0.0061FairFairFair
2021-07-02 12:00:009456A0.0071FairFairFair
2021-07-02 00:00:009453A0.0071FairFairFair
2021-07-01 12:00:009453A0.00141FairPoorClosed
2021-07-01 00:00:009356A0.00144ClosedClosedClosed
2021-06-30 12:00:009356A0.0053FairPoorClosed
2021-06-30 00:00:008950A0.0051FairFairFair
2021-06-29 12:00:008950A0.0041FairFairFair
2021-06-29 00:00:008732A0.0041FairFairFair
2021-06-28 12:00:008732A0.0041FairFairFair
2021-06-28 00:00:008216A0.0041FairFairFair
2021-06-27 12:00:008216A0.0041FairFairFair

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