JL3AMK has been licensed since 1983
and is a member of 10-10, ARRL, A1C, FISTS, G QRP, JARL, NAQCC, QRP ARCI, SKCC, VK QRP, etc.

JL3AMK's Web Site

http://www.jl3amk.org/ or http://www.jl3amk.net/

QRZ.COM

Propagations

N3KL Solar Activity Monitor

Solar X-rays
Geomagnetic Field

Solar Conditions (by RigReference)

Solar-Terrestrial Data Panel (by N0NBH)

Space Wather Forecast (by swc.nict.go.jp): Current Status (Sunsupot) / Forecast (Ionosphere)

Sunspot Index and Long-term Solar Observations

VOACAP (by OH6BG)

Beacons

NCDXF/IARU International Beacon Project: Transmission Schedule / Azimuthal Map

10 METER BEACON LIST (by WJ5O)
(Web Archives; January 2022)

Global 10 Meter Beacon List (by WI5V)

Reverse Beacon Network (10-Meter Beacons)

CQ CQ CQ DE JL3AMK JL3AMK AR K

Reverse Beacon Network

Frequencies

CW Club RBN Spotter

Band	Japan's Frequency Allocations (JARL's Band Plans) [April 21, 2020]		Center of Activity Frequencies
			G QRP		QRP ARCI		VK QRP (or vk3ye.com)	NAQCC	FISTS CW CLUB				Straight Key Century Club	Emergency Communication
			Europe		U.S.A.		Australia	North America	Europe	Americas	Down Under	East Asia		IARU			JARL
	CW Band	Phone Band	CW	SSB	CW	SSB	CW	CW	CW				CW	Reg. 1	Reg. 2	Reg. 3	Japan
160 m	1,800 - 1,845 1,907.5 - 1,912.5	1,845 - 1,875	1,836	1,843	1,810	1,910	1,815	1,810 1,843	1,818	1,808	1,808	-	1,813.5	-
80 m 75 m	3,500 - 3,535	3,535 - 3,580 3,599 - 3,612 3,662 - 3,687 3,702 - 3,716 3,745 - 3,770 3,791 - 3,805	3,560	3,690	3,560	3,985	3,530	3,560	3,558	3,558	3,528	-	3,530 3,550	3,760	3,750 3,985	3,600	3,535
40 m	7,000 - 7,045	7,045 - 7,200	7,030	7,090	7,030 7,122	7,285	7,028	7,030 7,040 7,122	7,028	7,028 7,058	7,028	7,028	7,038 7,055 7,120	7,110	7,060 7,240 7,275	7,110	7,050
30 m	10,100 - 10,150	-	10,106 10,116	-	10,106 10,116	-	10,106 (10,116)	10,106 10,116	10,118	10,118	10,118	10,118 10,128 10,133	10,120	-
20 m	14,000 - 14,100	14,100 - 14,350	14,060	14,285	14,060	14,285	14,060	14,060	14,058	14,058	14,058	14,058	14,050 14,114	14,300
17 m	18,068 - 18,110	18,110 - 18,168	18,086 18,096	18,130	18,096	18,130	(18,086) (18,096)	18,096	18,085	18,085	18,085	18,085	18,080	18,160
15 m	21,000 - 21,150	21,150 - 21,450	21,060	21,285	21,060	21,385	21,060	21,060	21,058	21,058	21,058	21,058 21,138	21,050 21,114	21,360
12 m	24,890 - 24,930	24,930 - 24,990	24,906	24,950	24,906	24,950	(24,906)	24,906	24,908	24,908	24,908	24,908	24,910	-
10 m	28,000 - 28,200	28,200 - 29,700	28,060	28,365	28,060	28,385	28,060	28,060	28,058	28,058	28,058	28,058 28,158	28,050 28,114	-			28,200

Italic: Japanese stations must NOT transmit (this mode) on these frequencies.
Japanese Bandplans (JARL): English / Japanese [PDF]
Japan: Law [Japanese]
Note: Bandplans described by JARL is different a little from the law.