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home QRZCQ - The database for radio hams 
 
2023-05-29 21:01:11 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:151
Spot number:119
X-Ray index:75.2
A index:11
Kp index:1.00
 
Conditions 00-10MHz:Good
Conditions 10-20MHz:Excellent
Conditions 20-30MHz:Excellent
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 20m between AS and OC is 20%
Probability of QSO on 30m between EU and OC is 27%

* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database
PROPAGATION BASED ON DX-CLUSTER
Conditions at 00-10MHz (11%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF2%0%0%0%0%0%
AS2%1%1%0%0%0%
EU2%5%70%0%0%0%
NA0%1%0%11%0%0%
OC0%0%0%0%0%0%
SA0%0%2%0%0%3%
Conditions at 10-20MHz (36%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF1%0%1%0%0%0%
AS1%2%6%1%0%1%
EU4%9%29%10%2%4%
NA1%4%10%16%1%1%
OC0%0%0%0%0%1%
SA0%0%2%0%1%1%
Conditions at 20-30MHz (33%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF2%0%7%2%0%1%
AS1%1%5%1%0%1%
EU3%4%11%10%1%9%
NA2%5%10%5%1%2%
OC0%0%0%1%0%0%
SA0%1%18%5%0%1%
Conditions at 50-54MHz (23%) based on DX-Cluster
Spots dedx AFdx ASdx EUdx NAdx OCdx SA
AF2%0%1%0%0%0%
AS1%0%1%1%0%0%
EU14%1%43%3%0%24%
NA1%0%1%2%1%1%
OC0%0%0%0%0%0%
SA0%0%7%0%0%2%

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
2023-05-29 12:00:0015111975.20111.00GoodExcellentExcellent
2023-05-29 00:00:0015712575.20111.67NormalExcellentExcellent
2023-05-28 12:00:0015712575.2042.33NormalExcellentExcellent
2023-05-28 00:00:0014912775.2042.00NormalExcellentExcellent
2023-05-27 12:00:0014912775.2061.00GoodExcellentExcellent
2023-05-27 00:00:0015212175.2061.67NormalExcellentExcellent
2023-05-26 12:00:0015212175.20111.00GoodExcellentExcellent
2023-05-26 00:00:0016415375.20112.00NormalExcellentExcellent
2023-05-25 12:00:0016415375.20123.00NormalExcellentExcellent
2023-05-25 00:00:0015513075.20153.00FairGoodGood
2023-05-24 12:00:0015513075.20122.33NormalExcellentExcellent
2023-05-24 00:00:001629775.20123.67NormalExcellentExcellent
2023-05-23 12:00:001629775.20212.33FairGoodGood
2023-05-23 00:00:0016314075.20214.00FairNormalNormal
2023-05-22 12:00:0016314075.20283.00FairGoodGood
2023-05-22 00:00:0017013875.20286.00PoorFairFair
2023-05-21 12:00:0017013875.20352.00FairGoodGood
2023-05-21 00:00:0016515575.20353.33FairGoodGood
2023-05-20 12:00:0016515575.2094.33FairGoodGood
2023-05-20 00:00:0015112175.2094.33FairGoodGood
2023-05-19 12:00:0015112175.2031.00GoodExcellentExcellent
2023-05-19 00:00:0013810675.2030.67GoodExcellentExcellent
2023-05-18 12:00:0013810675.2041.00GoodExcellentExcellent
2023-05-18 00:00:0013410675.2041.00GoodExcellentExcellent
2023-05-17 12:00:0013410675.2081.00GoodExcellentExcellent
2023-05-17 00:00:0013510375.2081.67NormalExcellentExcellent
2023-05-16 12:00:0013510375.2061.33NormalExcellentExcellent
2023-05-16 00:00:0014010975.2052.67NormalExcellentExcellent
2023-05-15 12:00:0014010975.2080.33GoodExcellentExcellent
2023-05-15 00:00:0014412075.2082.33NormalExcellentExcellent
2023-05-14 12:00:000NormalExcellentExcellent
2023-05-14 00:00:0014913475.20134.33FairNormalNormal
2023-05-13 12:00:0014913475.20191.00NormalExcellentExcellent
2023-05-13 00:00:0016315275.20192.67FairGoodGood
2023-05-12 12:00:0016315275.2092.33NormalExcellentExcellent
2023-05-12 00:00:0017015475.2092.67NormalExcellentExcellent
2023-05-11 12:00:0017015475.20261.67FairGoodGood
2023-05-11 00:00:0018015175.20263.00FairGoodGood
2023-05-10 12:00:0018015175.20143.67FairGoodGood
2023-05-10 00:00:0017210375.20144.67FairNormalNormal
2023-05-09 12:00:0017210375.20161.67FairGoodGood
2023-05-09 00:00:001579975.20163.33FairGoodGood
2023-05-08 12:00:001579975.2091.67NormalExcellentExcellent
2023-05-08 00:00:001529975.2092.67NormalExcellentExcellent
2023-05-07 12:00:001529975.20302.00FairGoodGood
2023-05-07 00:00:001629075.20302.00FairGoodGood
2023-05-06 12:00:001629075.2043.67NormalExcellentExcellent
2023-05-06 00:00:0016213975.2041.33NormalExcellentExcellent
2023-05-05 12:00:0016213975.2061.00GoodExcellentExcellent
2023-05-05 00:00:0015614375.2062.00NormalExcellentExcellent
2023-05-04 12:00:0015614375.2041.00GoodExcellentExcellent
2023-05-04 00:00:0015713475.2041.67NormalExcellentExcellent
2023-05-03 12:00:0015713475.2091.00GoodExcellentExcellent
2023-05-03 00:00:001488775.2091.00GoodExcellentExcellent
2023-05-02 12:00:001488775.20103.00NormalExcellentExcellent
2023-05-02 00:00:0015410575.20103.67NormalExcellentExcellent
2023-05-01 12:00:0015410575.20101.67NormalExcellentExcellent
2023-05-01 00:00:001568275.20101.67NormalExcellentExcellent
2023-04-30 12:00:001568275.20203.33FairGoodGood
2023-04-30 00:00:0015011175.20202.67FairGoodGood

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