PA3BMB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Netherlands Most frequent locator attributed to this token: JO22

Receiver-side FT8 activity involving PA3BMB, decoded by SO8OO in southeastern Poland. 2,857 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 69 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-07.

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 2,857 FT8 messages attributed to PA3BMB as the transmitting token by decoded message structure across 69 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (35%), followed by 20 m (35%) and 80 m (21%). Most decodes (54%) fell within the six-hour window 16:00-22:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -8 dB.

Overview

2,857
Messages attributed
69
UTC dates decoded
458
Active 15-min windows
-8 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-10-07 16:46 UTC

Observed FT8 message patterns

Attributed sample
2,857 messages
Active dates
69 UTC dates
Estimated median S/N
-8 dB
Estimated 10th-90th percentile
-18 to +2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 519, moderate (-15 to -9 dB) 871, strong (≥ -8 dB) 1,467.

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.

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 PA3BMB

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
JO22 · 1,345 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,201 km (approx.)
Last such locator decoded
2026-10-07 16:46 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 UTCBandPA3BMB S/NCounterpartCounterpart S/NMsgsCapture
10-07 16:42 40m -4 / - RC5F -8 / -9 2 Partial capture
10-07 16:35 40m -10 / -8 IR8PR -21 / - 2 Partial capture
10-07 16:33 40m -10 / - F4HSB - / -1 3 ✓ Closing fragment
10-07 16:18 40m -14 / -23 R3KMI -21 / - 4 Partial capture
10-07 16:16 40m -12 / - SQ5ANT - / -1 2 Partial capture
10-07 16:13 40m -11 / - DL4HTE - / -8 2 ✓ Closing fragment
10-07 16:10 40m -14 / - S59A - / - 2 Partial capture
10-07 16:07 40m -10 / - EC1COU - / - 2 ✓ Closing fragment
10-07 16:04 40m -19 / - M1JYN - / -7 4 ✓ Closing fragment
10-07 16:01 40m -14 / - M9PJC - / +3 2 Partial capture
10-06 18:34 80m +10 / -4 IW5DNZ +5 / -10 9 ✓ Full exchange observed
10-06 18:32 80m 0 / - DB2TE -10 / +2 4 ✓ Closing observed
10-06 18:30 80m +4 / -16 R3DQT -1 / - 4 ✓ Closing observed
10-06 18:29 80m +3 / - DO4SO -2 / +2 5 ✓ Full exchange observed
10-06 18:28 80m +7 / -20 UC6D +4 / - 4 ✓ Closing observed
10-06 18:26 80m +8 / -16 SP0YAGI -2 / -22 4 Partial capture
10-06 18:23 80m -3 / - IK2IWT -1 / - 2 ✓ Closing observed
10-06 18:21 80m +10 / - UR1UU - / -7 3 ✓ Closing fragment
10-06 18:16 80m -4 / -6 OH3CYT -14 / -9 4 ✓ Full exchange observed
10-06 18:16 80m -3 / +1 OM3TWM 0 / 0 9 ✓ Full exchange observed
10-06 18:09 80m - / +10 DL9TZ -16 / - 2 ✓ Closing fragment
10-06 18:07 80m -4 / -3 M0MLS -5 / -5 5 ✓ Full exchange observed
10-06 18:05 80m +2 / - SP2WRE - / -17 3 ✓ Closing fragment
10-06 18:03 80m +2 / +7 DO1KS +7 / - 5 ✓ Full exchange observed
10-06 18:00 80m +7 / -12 AM5CV -1 / - 2 Partial capture
10-06 17:59 80m -4 / -1 M0MLS -7 / - 3 Partial capture
10-06 17:58 80m 0 / +7 DL9TZ -12 / -7 3 Partial capture
10-06 17:56 80m +10 / - ON3CCC - / -5 2 ✓ Closing fragment
10-06 17:54 80m +4 / - DO2SGW - / -18 3 Partial capture
10-06 17:51 80m +4 / +3 DO9LIP -24 / -13 2 Partial capture
10-06 17:51 80m +6 / +6 LY2SA +20 / - 5 ✓ Full exchange observed
10-06 17:49 80m +4 / -8 EA5CF -9 / -15 3 ✓ Full exchange observed
10-06 17:46 80m +3 / -9 DL7UKM +2 / +2 7 ✓ Full exchange observed
10-06 17:44 80m +3 / - IN3IBW -3 / -5 4 ✓ Closing observed
10-06 17:44 40m - / -17 YT3IN -6 / - 7 Partial capture
10-06 17:42 80m 0 / +5 SQ8AZT -6 / -8 6 ✓ Full exchange observed
10-06 17:41 80m -2 / - PA3HIJ -12 / +5 4 ✓ Full exchange observed
10-06 17:35 80m +5 / -3 HA8ZG +2 / -9 5 ✓ Full exchange observed
10-06 17:30 80m +2 / +3 UA4HBR -7 / -14 4 ✓ Full exchange observed
10-06 17:27 80m +10 / -5 ON6PL +13 / +5 5 ✓ Full exchange observed
10-06 17:26 40m 0 / -17 YT3IN -7 / - 4 Partial capture
10-06 17:24 40m +5 / - TM47CDXC - / -1 2 Partial capture
10-06 17:22 40m +2 / - RK4UZ - / - 2 Partial capture
10-06 17:19 40m -8 / - IU7TUV - / -18 4 ✓ Closing fragment
10-06 17:03 40m -8 / - IQ0AAX - / -8 2 Partial capture
10-06 17:00 40m -9 / -6 R5AV +2 / -2 4 ✓ Full exchange observed
10-06 16:59 40m -5 / - UA2FHZ - / -3 3 ✓ Closing fragment
10-06 16:43 40m - / -9 S57ACD -6 / - 4 Partial capture
10-06 16:31 40m +1 / -15 R4LBD -5 / -15 7 ✓ Full exchange observed
10-06 16:29 40m - / -13 UN7LEW -12 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
161815 -13 1793  R3KMI PA3BMB JO22 (x2)
161930 -19 1793  PA3BMB R3KMI -23 (x2)
163345 -11 2003  F4HSB PA3BMB JO22 (x3)
163515 -10 1391  IR8PR PA3BMB JO22
163530 -21 1390  PA3BMB IR8PR -08
164000 -13 2055  G0MGK PA3BMB JO22
164215  -8  678  PA3BMB RC5F KO85
164230  -4  678  RC5F PA3BMB -09
164315 -12 1639  PA3BMB F1WM -16
164545 -14 1680  OE3EAR PA3BMB JO22
164630 -16 1163  SQ5KB PA3BMB JO22
80m
UTC    dB Audio  Message
183130  +1 1398  PA3BMB R3DQT 73
183215  -5 1313  DB2TE PA3BMB JO22 (x2)
183300 -10 1313  PA3BMB DB2TE RR73
183315  +3 1313  DB2TE PA3BMB 73
183415 +10  356  IW5DNZ PA3BMB JO22
183430  +4  355  PA3BMB IW5DNZ -04
183445 +10  356  IW5DNZ PA3BMB JO22
183500  +4  355  PA3BMB IW5DNZ -08
183515 +10  356  IW5DNZ PA3BMB R-10
183530  +3  355  PA3BMB IW5DNZ RR73
183545 +11  356  IW5DNZ PA3BMB R-10
183600  +9  355  PA3BMB IW5DNZ RR73
183615  +9  356  IW5DNZ PA3BMB 73
183715  -2 1750  SP5DFK/QRP PA3BMB JO22
60m
UTC    dB Audio  Message
165615 -16 1719  SP5MIG PA3BMB 73
165745 -17 1600  DL7HS PA3BMB R-10 (x2)
071830 -17 1301  CQ PA3BMB JO22 (x2)
071930  -8  368  GM7GAX PA3BMB R-13
072115 -19 1532  DH3KR PA3BMB R+11
072130 -14 1532  PA3BMB DH3KR RR73
072245 -20 1359  CQ PA3BMB JO22 (x2)
072345 -23 1359  F5LMJ PA3BMB -07
072715 -20 1359  F5NHG PA3BMB RR73
072815 -22 1359  CQ PA3BMB JO22 (x2)
073100  -9  293  M0KDZ PA3BMB 73
20m
UTC    dB Audio  Message
150830  -2 2342  PA3BMB R4LBN RR73
150845  -5 2342  R4LBN PA3BMB 73
150930  -2  751  EA4ILV PA3BMB JO22 (x3)
151130  -4 1369  IU7VOB PA3BMB JO22
152015  -2 1031  YO5ODC PA3BMB JO22
152500  -5 1173  SP2MKE PA3BMB JO22
160845  -8  844  7Q7CT PA3BMB JO22
161145  -7 1689  PA3BMB <...> +09 (x2)
161415  -3 2972  EA2EXN PA3BMB JO22
161545  +0  485  RI1FJL PA3BMB JO22 (x3)
10m
UTC    dB Audio  Message
145615 -16 2341  SQ8AA PA3BMB JO22
145815  -7 2627  SP9CKS PA3BMB 73
145945 -18 2026  EA5KAI PA3BMB JO22 (x3)
150115 -15 1984  SP9BBZ PA3BMB JO22 (x3)
150245  +1  581  <...> PA3BMB JO22 (x2)
150515 -14 2342  SQ8AA PA3BMB JO22 (x4)
150915 -13 1037  SP6TT PA3BMB JO22

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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