RBN activity statistics

Charts of RBN activity, active callsigns and (tbd) more stuff. A work in progress.

Histogram: Active hours of individual callsigns (last 365 days)

Active hours	Count	Calls
10+	72286	-
100+	7914	-
200+	2884	-
300+	1413	-
400+	811	-
500+	455	-
600+	289	-
700+	213	-
800+	137	-
900+	108	-
1000+	65	-
1100+	57	-
1200+	25	AI5IN E77EA W4CMG KA1FXK DM100FK F8DGY OH6NPV K3XR VK2GR DF2IC LA1MFA IK3VUT KR2Q WZ2J F5JKQ G0GSY BH4FCD F4GOU R4FDH F4JLJ AI4UH N4QR LU4JJ W8XAL EA7BEZ
1300+	26	HA5AEK LZ2PP NR4A VK2ARZ ZA1RR F4IGG N1MX WB6CXC JL1TQV JA1SJR PY2AAM DL2HS SQ6JAN SM5COP DJ3GS KC2SIZ OH3GD I1YRL UA6WW PY2XL UT7LW JM7OLW VK5GG I1GIS KG5SSB SA6AUT
1400+	23	W7AIT NA2DX G0TMX JA0IKP OS5Z N2OTG DJ6AU WB0RLJ W8XW PY2NEA OK1ABE DL2DX EI3LG IT9QAU N8TGQ SP3UQW K9UIY M0PKD UA3OT M6MPC IN3KLQ WS1L AI0Y
1500+	15	OK1CF EA4JI JQ3GIP IK6JFF LZ7DL SP1JPM IW9HKM UN7NFD RX6MY F5MAI W8BJO VU2SRT DK7AK LZ3QE YT3T
1600+	14	G4HOM W4MQC JN87FIT HA6NL G0GKH DF9II JS1DEH K5LY OK1IF VU2TMP WB6ZFG KD3KO JF6DMT KO5Q
1700+	6	IZ3SOI OY1CT G4PVM W8FJ W4CI JA5EWQ
1800+	9	UX0DA SM6OID JA8TWF/1 PY2OA SP3CW NN0D EA6EJ VE3OZO JA1IAZ
1900+	5	YO9KWC UR3QX DK1WI WA8VTD KI4DEF
2000+	8	CT1BMW JJ0TJS OE9SBD IZ5BBS W1AW LY2PX IK5VLL CT1GFK
2100+	1	EA3CC
2200+	1	HB9DAX
2300+	2	LZ3AN EE5EE OV1CDX
2400+	3	WX7V K4UX LZ3AN
2500+	4	VE6SYC M0LRQ DL3EL OK1LW
2600+	1	DM2DZM
2700+	3	JK1VRF F5IN K5VR
2800+	2	N9QU IU0HMB
3000+	1	PY2UDB EA1EYL
3100+	4	GW4OKT DL6AAF SM5IMO PY2UDB
3200+	5	DK9PY PA5XM DK8IT VU2JCD DK4AN
3300+	1	JA1GZV
3400+	1	KY4GS
3500+	2	IT9JLX DJ6ZM
3600+	1	WB4AEG
3700+	1	YB1JCD
3800+	1	DF6YT
4100+	2	JR3OYH G5VZ
4300+	2	DM5EA JR6JGB
4400+	1	DL5YAD
4500+	1	VE3NFN
4700+	1	WR5U
5000+	2	YO9CMC ON7PQ
5700+	1	DK5JPL
5900+	1	KA2QPG
6100+	1	DF2JP
6200+	1	DL8NBM
6300+	1	JH6LDY
6400+	1	W5BIB
6800+	1	DK1VD
8300+	1	YO4GOU
8700+	1	YO4BEX

Unique active calls: 86815. Note that beacons and frequently "busted" callsigns like T2DE were not included here.

How many hams generate how much activity?

Does the Pareto principle ('80/20 rule') hold true for RBN spots?

As of today, the total number of activity hours (i.e. hours in which individual callsigns were spotted, with a lower threshold of 10 hours over the last year) registered by the RBN is: 6258731 from 86815 individual calls.

In order to fulfil the rule, 80% of 6258731 hours (= 5006985h) would have to be produced by 20% of 86815 stations (= 17363).

As of today, those 20% generated 2010013 hours of activity... Sorry, Pareto!

(Note: The minimum activity per callsign and year was 10 hours. If this threshold was increased to a more reasonable value, the 80/20 rule may hold true...)