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+	69164	-
100+	7690	-
200+	2729	-
300+	1319	-
400+	740	-
500+	438	-
600+	279	-
700+	203	-
800+	125	-
900+	91	-
1000+	63	-
1100+	52	-
1200+	32	IU0BNG LZ1FAX JA0IKP SA6AUT F4GOU AI5IN G0TMX SQ6JAN PY2XL LZ1YP K9UIY WB0RLJ PP5KP KO5Q EA5C ZA1RR IK6JFF KR2Q N1MX YT3T EW1CY JJ1FXF JS1DEH DL2DX CT1ZQ JL1TQV UT7LW JA1SJR DL9DBI SM6HCI K0HNL G4PVM
1300+	24	DJ3GS LY2PX JM7OLW M0PKD LU4JJ JA1IAZ DH9BAJ KC7NBM N4TTU EI3LG KC2SIZ SM5COP HS0ZQE UY7LA OK2BEI F6IVT SP3UQW NA2DX IW9HKM DL3AZ DL5XL I1GIS I1OXO IT9QAU
1400+	9	NE5A K4IBZ DM2BRF IZ5BBS JS2OVO JA8TWF/1 LZ2PP LZ7DL IN3KLQ W3RJ
1500+	19	JA5EWQ JF6DMT W8BJO F4IGG OE9SBD RX6MY HA6NL KI4DEF OH3GD G4HOM YU0ZVA WB6ZFG I1YRL OK1CF IZ3SOI W8XW G0GKH K3XR NE5A
1600+	10	PY2AAM K5LY SP3CW SP1JPM W4CI DF9II VE3OZO W8FJ LZ3QE HB9DAX
1700+	4	IK3/UY7LA W4MQC EA6EJ VU2TMP
1800+	8	DK7AK JJ0TJS EA4JI YO9KWC CT1BMW NN0D UX0DA SM6OID
1900+	4	EE5EE WB6CXC HA5AEK IK5VLL
2000+	3	G3XIZ IU0HMB OY1CT
2100+	4	WB5N DK1WI W1AW UR3QX
2200+	2	VU2JCD PY2XW
2300+	1	OV1CDX
2400+	1	K5VR
2500+	3	DM2DZM SM5IMO K4UX
2600+	3	DL3EL YB1JCD EA3CC
2700+	3	DK9PY F5IN WA8VTD
2800+	4	N9QU LZ3AN OK1LW DJ6ZM
2900+	2	N8TGQ JR3OYH
3000+	3	DK4AN EA1EYL CT1GFK
3200+	2	WX7V PY2UDB
3300+	1	RU0LL
3400+	5	DK8IT PA5XM WZ2J W5BIB JA1GZV
3600+	2	WR5U KY4GS
3800+	2	G5VZ GW4OKT
3900+	2	DL6AAF IT9JLX
4100+	1	DM5EA
4200+	1	VE3NFN
4300+	1	DF6YT
4400+	1	WB4AEG
4600+	3	DL5YAD ON7PQ JR6JGB
4900+	1	DK1VD
5200+	1	YO9CMC
5700+	1	DK5JPL
6200+	2	KA2QPG JH6LDY
6800+	1	DF2JP
7100+	1	DL8NBM
8500+	1	YO4GOU
8700+	1	YO4BEX

Unique active calls: 83062. 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: 5948929 from 83062 individual calls.

In order to fulfil the rule, 80% of 5948929 hours (= 4759143h) would have to be produced by 20% of 83062 stations (= 16612).

As of today, those 20% generated 1921958 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...)