HF Propagation on QRZCQ - The database for radio hams

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:	93
Spot number:	46
X-Ray index:	A0.0
A index:	5
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 AS and AS is 100%
Probability of QSO on 70cm between NA and NA is 16%
Probability of QSO on 2m between AS and AS is 9%
Probability of QSO on 2m between OC and OC is 6%
Probability of QSO on 6m between EU and EU is 42%
Probability of QSO on 6m between NA and NA is 41%
Probability of QSO on 10m between SA and NA is 12%
Probability of QSO on 10m between AF and SA is 36%
Probability of QSO on 12m between AF and NA is 10%
Probability of QSO on 12m between AF and SA is 38%
Probability of QSO on 15m between NA and AF is 17%
Probability of QSO on 15m between SA and NA is 9%
Probability of QSO on 15m between AF and NA is 29%
Probability of QSO on 15m between AF and SA is 48%
Probability of QSO on 15m between AF and OC is 10%
Probability of QSO on 17m between OC and NA is 100%
Probability of QSO on 17m between EU and NA is 11%
Probability of QSO on 17m between NA and AF is 7%
Probability of QSO on 17m between AF and NA is 25%
Probability of QSO on 17m between AF and EU is 20%
Probability of QSO on 17m between OC and AF is 6%
Probability of QSO on 17m between SA and EU is 4%
Probability of QSO on 20m between OC and AF is 28%
Probability of QSO on 20m between AF and SA is 21%
Probability of QSO on 20m between AS and EU is 9%
Probability of QSO on 20m between SA and AF is 49%
Probability of QSO on 20m between AF and NA is 11%
Probability of QSO on 20m between AF and EU is 8%
Probability of QSO on 30m between OC and EU is 2%
Probability of QSO on 30m between OC and NA is 7%
Probability of QSO on 30m between EU and SA is 11%
Probability of QSO on 30m between EU and AF is 26%
Probability of QSO on 30m between EU and NA is 13%
Probability of QSO on 30m between AS and NA is 24%
Probability of QSO on 30m between EU and AS is 30%
Probability of QSO on 30m between OC and AF is 9%
Probability of QSO on 30m between NA and AF is 2%
Probability of QSO on 40m between OC and AF is 2%
Probability of QSO on 40m between AF and EU is 5%
Probability of QSO on 40m between EU and AF is 41%
Probability of QSO on 40m between NA and AF is 8%
Probability of QSO on 40m between OC and AS is 18%
Probability of QSO on 40m between OC and NA is 100%
Probability of QSO on 40m between AS and AF is 21%
Probability of QSO on 60m between EU and AF is 28%
Probability of QSO on 60m between NA and EU is 9%
Probability of QSO on 60m between AS and AF is 1%
Probability of QSO on 60m between AF and OC is 1%
Probability of QSO on 80m between AF and OC is 1%
Probability of QSO on 80m between EU and AF is 1%
Probability of QSO on 80m between NA and EU is 4%
Probability of QSO on 80m between AF and SA is 33%
Probability of QSO on 160m between NA and EU is 6%

* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (33%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	1%	0%	0%	0%	0%	0%
AS	1%	1%	5%	3%	0%	1%
EU	4%	10%	42%	10%	5%	4%
NA	0%	1%	2%	3%	0%	1%
OC	0%	0%	0%	0%	3%	0%
SA	0%	0%	0%	1%	0%	10%

Conditions at 10-20MHz (33%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	1%	0%	0%
AS	1%	1%	0%	1%	0%	1%
EU	5%	1%	3%	21%	1%	3%
NA	13%	6%	22%	8%	1%	2%
OC	1%	0%	1%	0%	0%	0%
SA	2%	1%	6%	1%	0%	3%

Conditions at 20-30MHz (34%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	1%	0%	0%	2%	0%	0%
AS	0%	0%	0%	0%	0%	0%
EU	0%	0%	1%	1%	0%	1%
NA	12%	2%	2%	18%	7%	26%
OC	0%	0%	0%	1%	0%	0%
SA	2%	0%	0%	17%	0%	12%

Conditions at 50-54MHz (1%) based on DX-Cluster
Spots de	dx AF	dx AS	dx EU	dx NA	dx OC	dx SA
AF	0%	0%	0%	0%	0%	0%
AS	0%	0%	0%	0%	0%	0%
EU	0%	0%	86%	0%	0%	0%
NA	0%	0%	0%	0%	0%	0%
OC	0%	0%	0%	0%	0%	0%
SA	0%	0%	0%	0%	0%	15%

HISTORICAL PROPAGATION DATA

Last 30 days of HF propagation

Date and Time	Flux idx.	Spot num.	X-Ray idx.	X-Ray num	A-Index	K-Index	00-10MHz	10-20MHz	20-30MHz
2021-10-25 12:00:00	93	46	A0.0	0	4	1	Fair	Fair	Fair
2021-10-25 00:00:00	87	32	A0.0	0	4	1	Fair	Fair	Fair
2021-10-24 12:00:00	87	32	A0.0	0	3	1	Fair	Fair	Fair
2021-10-24 00:00:00	87	28	A0.0	0	3	1	Fair	Fair	Fair
2021-10-23 12:00:00	87	28	A0.0	0	4	1	Fair	Fair	Fair
2021-10-23 00:00:00	82	11	A0.0	0	4	2	Fair	Poor	Closed
2021-10-22 12:00:00	82	11	A0.0	0	7	1	Fair	Fair	Fair
2021-10-22 00:00:00	76	11	A0.0	0	7	2	Fair	Poor	Closed
2021-10-21 12:00:00	76	11	A0.0	0	6	2	Fair	Poor	Closed
2021-10-21 00:00:00	76	11	A0.0	0	6	2	Fair	Poor	Closed
2021-10-20 12:00:00	76	11	A0.0	0	14	1	Fair	Poor	Closed
2021-10-20 00:00:00	76	11	A0.0	0	14	2	Poor	Closed	Closed
2021-10-19 12:00:00	76	11	A0.0	0	10	2	Fair	Poor	Closed
2021-10-19 00:00:00	77	0	A0.0	0	10	3	Fair	Poor	Closed
2021-10-18 12:00:00	77	0	A0.0	0	10	1	Fair	Fair	Fair
2021-10-18 00:00:00	78	11	A0.0	0	11	4	Poor	Closed	Closed
2021-10-17 12:00:00	78	11	A0.0	0	6	3	Fair	Poor	Closed
2021-10-17 00:00:00	84	11	A0.0	0	6	1	Fair	Fair	Fair
2021-10-16 12:00:00	84	11	A0.0	0	6	1	Fair	Fair	Fair
2021-10-16 00:00:00	83	24	A0.0	0	6	1	Fair	Poor	Closed
2021-10-15 12:00:00	84	26	A0.0	0	45	1	Fair	Poor	Closed
2021-10-15 00:00:00	84	26	A0.0	0	45	1	Fair	Poor	Closed
2021-10-14 12:00:00	84	26	A0.0	0	45	1	Fair	Poor	Closed
2021-10-14 00:00:00	84	26	A0.0	0	45	1	Fair	Poor	Closed
2021-10-13 12:00:00	84	26	A0.0	0	45	0	Fair	Poor	Closed
2021-10-13 00:00:00	89	35	A0.0	0	45	3	Poor	Closed	Closed
2021-10-12 12:00:00	89	35	A0.0	0	13	6	Closed	Closed	Closed
2021-10-12 00:00:00	85	38	A0.0	0	13	3	Poor	Closed	Closed
2021-10-11 12:00:00	85	38	A0.0	0	9	2	Fair	Poor	Closed
2021-10-11 00:00:00	81	14	A0.0	0	9	4	Poor	Closed	Closed
2021-10-10 12:00:00	81	14	A0.0	0	5	1	Fair	Fair	Fair
2021-10-10 00:00:00	92	13	A0.0	0	5	1	Fair	Fair	Fair
2021-10-09 12:00:00	92	13	A0.0	0	4	2	Fair	Poor	Closed
2021-10-09 00:00:00	86	13	A0.0	0	4	1	Fair	Fair	Fair
2021-10-08 12:00:00	86	13	A0.0	0	5	1	Fair	Fair	Fair
2021-10-08 00:00:00	85	22	A0.0	0	5	0	Fair	Fair	Fair
2021-10-07 12:00:00	85	22	A0.0	0	8	2	Fair	Poor	Closed
2021-10-07 00:00:00	82	27	A0.0	0	8	1	Fair	Fair	Fair
2021-10-06 12:00:00	82	27	A0.0	0	5	3	Fair	Poor	Closed
2021-10-06 00:00:00	84	29	A0.0	0	5	1	Fair	Fair	Fair
2021-10-05 12:00:00	84	29	A0.0	0	6	0	Fair	Fair	Fair
2021-10-05 00:00:00	86	38	A0.0	0	6	2	Fair	Poor	Closed
2021-10-04 12:00:00	86	38	A0.0	0	6	1	Fair	Fair	Fair
2021-10-04 00:00:00	87	25	A0.0	0	6	2	Fair	Poor	Closed
2021-10-03 12:00:00	87	25	A0.0	0	8	2	Fair	Poor	Closed
2021-10-03 00:00:00	91	28	A0.0	0	8	0	Fair	Fair	Fair
2021-10-02 12:00:00	91	28	A0.0	0	14	4	Closed	Closed	Closed
2021-10-02 00:00:00	95	46	A0.0	0	19	2	Poor	Closed	Closed
2021-10-01 12:00:00	95	46	A0.0	0	9	4	Poor	Closed	Closed
2021-10-01 00:00:00	102	74	A0.0	0	9	3	Fair	Poor	Closed
2021-09-30 12:00:00	102	74	A0.0	0	5	1	Fair	Fair	Fair
2021-09-30 00:00:00	89	57	A0.0	0	5	1	Fair	Fair	Fair
2021-09-29 12:00:00	89	57	A0.0	0	10	1	Fair	Fair	Fair
2021-09-29 00:00:00	85	30	A0.0	0	10	3	Fair	Poor	Closed
2021-09-28 12:00:00	85	30	A0.0	0	7	3	Fair	Poor	Closed
2021-09-28 00:00:00	86	67	A0.0	0	7	3	Fair	Poor	Closed
2021-09-27 12:00:00	86	67	A0.0	0	3	1	Fair	Fair	Fair
2021-09-27 00:00:00	88	38	A0.0	0	3	1	Fair	Fair	Fair
2021-09-26 12:00:00	88	38	A0.0	0	7	1	Fair	Fair	Fair
2021-09-26 00:00:00	88	75	A0.0	0	7	2	Fair	Poor	Closed