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:	69
Spot number:	12
X-Ray index:	*
A index:	7
Kp index:	2

Conditions 00-10MHz:	Fair
Conditions 10-20MHz:	Poor
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 2m between NA and NA is 12%
Probability of QSO on 10m between EU and NA is 54%
Probability of QSO on 12m between AS and OC is 75%
Probability of QSO on 15m between EU and AF is 1%
Probability of QSO on 15m between AS and OC is 47%
Probability of QSO on 17m between AS and OC is 4%
Probability of QSO on 17m between AS and AF is 52%
Probability of QSO on 17m between AS and EU is 45%
Probability of QSO on 20m between NA and EU is 80%
Probability of QSO on 20m between NA and AF is 68%
Probability of QSO on 20m between EU and AF is 0%
Probability of QSO on 20m between EU and AS is 1%
Probability of QSO on 20m between AS and NA is 1%
Probability of QSO on 20m between AS and EU is 56%
Probability of QSO on 30m between AF and EU is 16%
Probability of QSO on 30m between AS and OC is 100%
Probability of QSO on 30m between AS and EU is 100%
Probability of QSO on 30m between EU and AF is 18%
Probability of QSO on 40m between SA and EU is 100%
Probability of QSO on 40m between AS and EU is 77%
Probability of QSO on 40m between OC and SA is 43%
Probability of QSO on 40m between EU and AF is 31%
Probability of QSO on 40m between OC and AF is 10%
Probability of QSO on 60m between EU and AF is 18%
Probability of QSO on 60m between AF and AS is 38%
Probability of QSO on 80m between SA and EU is 100%
Probability of QSO on 80m between EU and AF is 12%

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

PROPAGATION BASED ON DX-CLUSTER

Conditions at 00-10MHz (66%) 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%	1%	1%	0%	0%	0%
EU	2%	2%	48%	8%	5%	6%
NA	2%	2%	10%	3%	1%	1%
OC	0%	1%	8%	1%	1%	1%
SA	0%	0%	3%	1%	0%	1%

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%	0%	0%	0%
AS	0%	6%	8%	0%	10%	3%
EU	1%	14%	17%	1%	8%	1%
NA	0%	0%	0%	2%	6%	0%
OC	1%	7%	7%	4%	9%	0%
SA	0%	0%	0%	0%	0%	1%

Conditions at 20-30MHz (2%) 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%	20%	0%	0%	20%	0%
EU	0%	0%	0%	0%	40%	0%
NA	0%	0%	0%	0%	0%	0%
OC	0%	0%	0%	0%	20%	0%
SA	0%	0%	0%	0%	0%	0%

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%	100%	0%	0%	0%
NA	0%	0%	0%	0%	0%	0%
OC	0%	0%	0%	0%	0%	0%
SA	0%	0%	0%	0%	0%	0%

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
2020-04-03 00:00:00	69	13	*	0	7	2	Fair	Poor	Closed
2020-04-02 12:00:00	69	13	*	0	6	2	Fair	Poor	Closed
2020-04-02 00:00:00	70	12	*	0	6	1	Fair	Fair	Fair
2020-04-01 12:00:00	70	12	*	0	14	2	Poor	Closed	Closed
2020-04-01 00:00:00	69	0	*	0	16	2	Poor	Closed	Closed
2020-03-31 12:00:00	69	0	*	0	11	4	Poor	Closed	Closed
2020-03-31 00:00:00	68	0	*	0	12	3	Fair	Poor	Closed
2020-03-30 12:00:00	68	0	*	0	7	2	Fair	Poor	Closed
2020-03-30 00:00:00	69	0	*	0	8	1	Fair	Fair	Fair
2020-03-29 12:00:00	69	0	*	0	5	2	Fair	Poor	Closed
2020-03-29 00:00:00	69	0	*	0	4	1	Fair	Fair	Fair
2020-03-28 12:00:00	69	0	*	0	5	1	Fair	Fair	Fair
2020-03-28 00:00:00	70	0	*	0	6	2	Fair	Poor	Closed
2020-03-27 12:00:00	70	0	*	0	5	1	Fair	Fair	Fair
2020-03-27 00:00:00	71	0	*	0	4	1	Fair	Fair	Fair
2020-03-26 12:00:00	71	0	*	0	4	1	Fair	Fair	Fair
2020-03-26 00:00:00	71	0	*	0	3	0	Fair	Fair	Fair
2020-03-25 12:00:00	71	0	*	0	4	0	Fair	Fair	Fair
2020-03-25 00:00:00	70	0	*	0	5	0	Fair	Fair	Fair
2020-03-24 12:00:00	70	0	*	0	12	2	Fair	Poor	Closed
2020-03-24 00:00:00	70	0	*	0	12	3	Fair	Poor	Closed
2020-03-23 12:00:00	70	0	*	0	7	1	Fair	Fair	Fair
2020-03-23 00:00:00	71	0	*	0	7	2	Fair	Poor	Closed
2020-03-22 12:00:00	71	0	*	0	8	1	Fair	Fair	Fair
2020-03-22 00:00:00	72	0	*	0	8	1	Fair	Fair	Fair
2020-03-21 12:00:00	72	0	*	0	7	3	Fair	Poor	Closed
2020-03-21 00:00:00	72	0	*	0	6	2	Fair	Poor	Closed
2020-03-20 12:00:00	72	0	*	0	12	2	Fair	Poor	Closed
2020-03-20 00:00:00	72	0	*	0	12	1	Fair	Fair	Fair
2020-03-19 12:00:00	72	0	*	0	6	3	Fair	Poor	Closed
2020-03-19 00:00:00	72	0	*	0	8	3	Fair	Poor	Closed
2020-03-18 12:00:00	72	0	*	0	6	1	Fair	Fair	Fair
2020-03-18 00:00:00	70	0	*	0	6	1	Fair	Fair	Fair
2020-03-17 12:00:00	70	0	*	0	7	2	Fair	Poor	Closed
2020-03-17 00:00:00	70	0	*	0	7	2	Fair	Poor	Closed
2020-03-16 12:00:00	70	0	*	0	5	1	Fair	Fair	Fair
2020-03-16 00:00:00	68	0	*	0	5	2	Fair	Poor	Closed
2020-03-15 12:00:00	68	0	*	0	3	1	Fair	Fair	Fair
2020-03-15 00:00:00	69	0	*	0	3	1	Fair	Fair	Fair
2020-03-14 12:00:00	69	0	*	0	7	1	Fair	Fair	Fair
2020-03-14 00:00:00	70	0	*	0	8	1	Fair	Fair	Fair
2020-03-13 12:00:00	70	0	*	0	7	2	Fair	Poor	Closed
2020-03-13 00:00:00	71	0	*	0	8	3	Fair	Poor	Closed
2020-03-12 12:00:00	71	0	*	0	3	2	Fair	Poor	Closed
2020-03-12 00:00:00	71	0	*	0	4	0	Fair	Fair	Fair
2020-03-11 12:00:00	71	0	*	0	4	1	Fair	Fair	Fair
2020-03-11 00:00:00	71	12	A3.6	36	5	0	Fair	Fair	Fair
2020-03-10 12:00:00	71	12	A3.6	36	5	2	Fair	Poor	Closed
2020-03-10 00:00:00	70	13	A4.5	45	5	2	Fair	Poor	Closed
2020-03-09 12:00:00	70	13	A7.2	72	5	2	Fair	Poor	Closed
2020-03-09 00:00:00	70	0	A7.4	74	5	2	Fair	Poor	Closed
2020-03-08 12:00:00	70	0	A7.4	74	5	2	Fair	Poor	Closed
2020-03-08 00:00:00	70	0	A7.4	74	6	0	Fair	Fair	Fair
2020-03-07 12:00:00	70	0	A7.6	76	4	2	Fair	Poor	Closed
2020-03-07 00:00:00	70	0	A7.1	71	7	0	Fair	Fair	Fair
2020-03-06 12:00:00	70	0	A7.1	71	4	1	Fair	Fair	Fair
2020-03-06 00:00:00	70	0	A7.4	74	5	1	Fair	Fair	Fair
2020-03-05 12:00:00	70	0	A7.0	70	6	1	Fair	Fair	Fair
2020-03-05 00:00:00	70	0	A7.7	77	6	2	Fair	Poor	Closed
2020-03-04 12:00:00	70	0	A7.5	75	6	1	Fair	Fair	Fair