YO5IB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania Most frequent locator attributed to this token: KN16

Receiver-side FT8 activity involving YO5IB, decoded by SO8OO in southeastern Poland. 677 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, across 43 UTC dates in the available aggregate history. Observed between 2026-06-27 and 2026-10-17.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 677 FT8 messages attributed to YO5IB as the transmitting token by decoded message structure across 43 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (39%), followed by 80 m (37%) and 60 m (19%). Most decodes (52%) fell within the six-hour window 02:00-08:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (68%); the estimated median was -4 dB.

Overview

677

Messages attributed

UTC dates decoded

131

Active 15-min windows

-4 dB

Estimated median S/N

Bands

160m · 13 80m · 248 60m · 130 40m · 266 20m · 20

First attributed message: 2026-06-27
Last attributed message: 2026-10-17 05:13 UTC

Observed FT8 message patterns

Attributed sample: 677 messages
Active dates: 43 UTC dates
Estimated median S/N: -4 dB
Estimated 10th-90th percentile: -15 to +6.3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 59, moderate (-15 to -9 dB) 157, strong (≥ -8 dB) 461.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with YO5IB in decoded directed-looking exchanges:

SQ9SET · Poland ×3 EC3A · Spain ×2 LZ1ZF · Bulgaria ×2 CT7AUT · Portugal ×2 SM7TZK · Sweden ×2 YO5OKM · Romania ×2 EC5M · Spain ×2 IQ2AAH · Italy ×2 R2DRE · European Russia ×2 PE9JAN · Netherlands OM3SX · Slovak Republic S58T · Slovenia

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to YO5IB

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: KN16 · 360 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 393 km (approx.)
Last such locator decoded: 2026-10-17 05:13 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Time UTC	Band	YO5IB S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-17 05:08	60m	- / -12	PA2PF	-17 / -	2	✓ Closing fragment
10-17 05:05	60m	-12 / -4	G0BLB	-1 / -	5	✓ Full exchange observed
10-17 05:04	60m	-8 / -	OE3OOG	- / -	2	✓ Closing fragment
10-17 05:01	60m	-12 / -3	EG46PPA	-17 / -21	4	Partial capture
10-17 04:43	80m	+2 / -17	DO8JB	-9 / -12	4	✓ Full exchange observed
10-17 04:41	80m	+8 / -	K4YT	- / -	2	Partial capture
10-17 04:39	80m	+7 / -	RN2F	- / -5	3	✓ Closing fragment
10-17 04:37	80m	-3 / -6	LY5A	+22 / -	5	✓ Full exchange observed
10-17 04:33	60m	-15 / -	F6FHZ	- / -12	2	✓ Closing fragment
10-17 04:32	60m	-12 / -5	EA5JFO	-20 / -7	4	✓ Full exchange observed
10-17 04:30	60m	-8 / +5	LZ936BA	-16 / -	2	Partial capture
10-14 16:39	60m	-4 / +5	ON4ASG	-12 / -	4	Partial capture
10-14 16:35	60m	-8 / -	M0DSK	-22 / -13	8	✓ Closing observed
10-14 16:33	60m	-8 / -	SN5MV	- / -	2	Partial capture
10-14 16:28	60m	-4 / -	SN5MV	- / -	2	Partial capture
10-14 16:25	60m	+7 / +1	LZ2VQ	-3 / -	5	✓ Full exchange observed
10-14 16:24	60m	+7 / +5	4L7T	-11 / -1	5	✓ Full exchange observed
10-14 16:21	80m	+1 / -	E70SZ	- / -	3	Partial capture
10-14 16:19	80m	+1 / -16	R2DRE	-4 / -8	4	✓ Full exchange observed
10-14 16:18	80m	+4 / -	R8WM	-12 / +8	4	✓ Closing observed
10-14 16:12	80m	+10 / -6	R3RB	-2 / +10	13	✓ Full exchange observed
10-14 16:12	80m	+12 / -	RX6LHY	-4 / +4	3	✓ Closing observed
10-14 16:10	80m	+10 / -16	R9AL	-3 / -7	5	✓ Full exchange observed
10-14 16:08	80m	+3 / -16	R2DP	+2 / -	5	✓ Full exchange observed
10-11 05:10	80m	-12 / -8	F4FSY	-3 / -7	4	✓ Full exchange observed
10-11 05:09	80m	-13 / -	YO3AI	- / +5	3	✓ Closing fragment
10-11 05:02	80m	-10 / -9	IQ2AAH	-4 / -2	5	✓ Full exchange observed
10-10 05:17	40m	- / -	F1HFP	-7 / -	3	Partial capture
10-10 05:15	40m	-1 / -6	IQ9SZ/2	-7 / -6	3	Partial capture
10-10 05:10	40m	-13 / -	SQ5ANT	- / -5	3	✓ Closing fragment
10-10 04:37	60m	-3 / -6	DK4RH	0 / +7	5	✓ Full exchange observed
10-10 04:22	60m	- / -2	OE5DML	-8 / -	3	✓ Closing fragment
10-10 04:16	60m	- / -19	EA3ISZ	-11 / -	2	✓ Closing fragment
10-10 04:13	60m	- / +6	IK4CBO	-12 / -	4	✓ Closing fragment
10-10 04:12	60m	- / -7	YL2EA	-10 / -	2	✓ Closing fragment
10-10 03:56	80m	-7 / -	HA8LD	- / -5	3	Partial capture
10-10 03:54	80m	-4 / -8	IQ2AAH	+4 / +1	4	✓ Full exchange observed
10-10 03:51	80m	- / +4	DO1ID	+7 / -	3	Partial capture
10-10 03:49	80m	+3 / -10	SQ2RAD	+2 / -20	5	✓ Full exchange observed
10-10 03:37	80m	+1 / -18	VP2MAA	-8 / -10	10	✓ Full exchange observed
10-10 03:35	80m	-22 / -	DO1OAS	- / -14	2	✓ Closing fragment
10-10 03:34	80m	-24 / -11	EC5M	-6 / -	4	✓ Closing observed
10-09 16:28	160m	-8 / -14	HA1DAE	+18 / -5	4	Partial capture
10-09 16:23	160m	-7 / -9	YO7CFD	0 / -5	5	✓ Full exchange observed
10-09 16:21	160m	-4 / -16	S58T	+8 / -11	4	✓ Full exchange observed
10-09 16:18	160m	-6 / -15	OM3SX	+10 / -2	6	✓ Full exchange observed
10-09 16:09	80m	0 / -7	IW2OHP	-6 / -4	4	✓ Full exchange observed
10-09 15:43	80m	0 / -	4Z5AV	- / -	3	Partial capture
10-09 15:41	80m	-14 / -11	LY8O	+7 / -	4	✓ Closing observed
10-09 15:40	80m	-4 / -18	UR5RBP	-10 / -	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

60m

UTC    dB Audio  Message
050315 -15 2053  EG46PPA YO5IB KN16
050330 -17 2052  YO5IB EG46PPA -03
050345 -10 2053  EG46PPA YO5IB R-21
050445 -15 2053  OE3OOG YO5IB +26 (x2)
050530  -5  514  YO5IB G0BLB IO81
050545 -11 2053  G0BLB YO5IB +15
050600  -1  514  YO5IB G0BLB R-04
050615 -12 2054  G0BLB YO5IB RR73
050630  +3  514  YO5IB G0BLB 73
050715  -7 1365  OZ7CL YO5IB KN16
050845 -17 1065  YO5IB PA2PF -12 (x2)
051045  -9 1730  YO5IB HA8UM -16
051300 -19 1083  EA5JKB YO5IB KN16

80m

UTC    dB Audio  Message
162200  +1 1348  E70SZ YO5IB KN16
043745  -4  602  LY5A YO5IB KN16
043800 +23  600  YO5IB LY5A -06
043815  -1  602  LY5A YO5IB R+21
043830 +20  600  YO5IB LY5A RR73
043845  -5  602  LY5A YO5IB 73
043930  +6 2409  RN2F YO5IB KN16 (x3)
044130 +11  972  K4YT YO5IB KN16 (x2)
044300  +1 1047  DO8JB YO5IB KN16
044315 -12 1046  YO5IB DO8JB -17
044330  +3 1047  DO8JB YO5IB R-12
044345  -6 1046  YO5IB DO8JB RR73

40m

UTC    dB Audio  Message
164830  +6 2504  YO5IB YU65AEC -02
164845  -4 2504  YU65AEC YO5IB R-04
051015 -15 1952  SQ5ANT YO5IB KN16 (x3)
051200 -20 1953  YO5IB F5OYA/P JN13
051545  -1 1430  IQ9SZ/2 YO5IB KN16
051600  -7 1429  YO5IB IQ9SZ/2 -06
051600 -23 1953  YO5IB F5OYA/P JN13
051615  -1 1430  IQ9SZ/2 YO5IB R-06
051700  -6 2216  YO5IB F1HFP JN28 (x3)
051830 -21 1952  YO5IB F5OYA/P JN13 (x2)

160m

UTC    dB Audio  Message
161915 +11  335  YO5IB OM3SX RR73
161930  -7  335  OM3SX YO5IB 73
162145 +11  640  YO5IB S58T -16
162200  -5  640  S58T YO5IB R-11
162215  +4  640  YO5IB S58T RR73
162230  -2  640  S58T YO5IB 73
162315  -4 1452  YO7CFD YO5IB KN16 (x2)
162400  +4 1450  YO5IB YO7CFD -09
162415 -10 1452  YO7CFD YO5IB R-05
162430  -5 1451  YO5IB YO7CFD RR73
162845 +19 2409  YO5IB HA1DAE -14 (x2)
163000  -9 2410  HA1DAE YO5IB R-05 (x2)

20m

UTC    dB Audio  Message
060000  +7  722  EC3A YO5IB 73
060100  +3  722  A61OK YO5IB KN16 (x2)
060200 +12  722  DJ2MS YO5IB KN16
125115  -6 1166  YO5IB F1POK -16 (x7)
130145  +3 1022  YO5IB LA6RJA RR73
131245  -9 1214  YO5IB RA9CUU -12
133345 +12  583  YO5IB F4HTA -07 (x2)

10m

UTC    dB Audio  Message
103100 -15 1734  YO5IB PE9JAN RR73
130800 -17 1905  YO5IB F5ADE -17
131115  +1 2430  YO5IB DL2MIJ JN58
131615 -17 1440  YO5IB DN9AD JO52 (x4)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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