YO2MAX — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Romania Most frequent locator attributed to this token: KN15

Receiver-side FT8 activity involving YO2MAX, decoded by SO8OO in southeastern Poland. 2,757 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 70 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-23.

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 2,757 FT8 messages attributed to YO2MAX as the transmitting token by decoded message structure across 70 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (48%), followed by 160 m (19%) and 80 m (19%). Most decodes (77%) fell within the six-hour window 16:00-22:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (91%); the estimated median was +5.8 dB.

Overview

2,757
Messages attributed
70
UTC dates decoded
286
Active 15-min windows
+5.8 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-10-23 05:34 UTC

Observed FT8 message patterns

Attributed sample
2,757 messages
Active dates
70 UTC dates
Estimated median S/N
+5.8 dB
Estimated 10th-90th percentile
-8 to +15 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 74, moderate (-15 to -9 dB) 176, strong (≥ -8 dB) 2,507.

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 YO2MAX

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
KN15 · 1,734 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
502 km (approx.)
Last such locator decoded
2026-10-23 05:33 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 UTCBandYO2MAX S/NCounterpartCounterpart S/NMsgsCapture
10-23 05:32 60m +12 / - WA2VNV - / -14 5 ✓ Closing fragment
10-23 05:31 60m +12 / - SX37VER -13 / +2 3 Partial capture
10-23 05:30 60m +12 / -3 F1IQH -6 / -5 4 ✓ Full exchange observed
10-23 05:25 60m +12 / - W1FAM - / -21 6 ✓ Closing fragment
10-22 19:02 80m +6 / - EP2AES - / -17 4 ✓ Closing fragment
10-22 18:55 80m 0 / - EP2AES - / - 3 Partial capture
10-22 17:33 60m +2 / - EI7BA - / - 2 Partial capture
10-22 16:37 60m +10 / - 3B8FA - / - 2 Partial capture
10-22 16:21 60m +14 / - 3B8FA - / - 7 Partial capture
10-22 06:46 60m +5 / - FK8HC - / - 14 Partial capture
10-22 06:08 60m +4 / - EA5JKT -21 / -15 3 ✓ Closing observed
10-22 06:08 60m +10 / - SP2EWQ +5 / +1 5 ✓ Full exchange observed
10-22 06:07 60m +11 / - VE2CKW - / -23 3 ✓ Closing fragment
10-22 06:04 60m +4 / - VE2CKW - / - 2 Partial capture
10-22 05:15 60m +13 / - 8P6GY - / - 8 Partial capture
10-22 05:13 60m +12 / - XE2X - / -6 3 ✓ Closing fragment
10-21 18:08 60m +13 / - E74MG - / -11 3 ✓ Closing fragment
10-16 17:05 60m +14 / - OE/DL1MKW - / -18 2 Partial capture
10-16 17:03 60m +13 / - E73S 0 / -14 4 ✓ Closing observed
10-16 17:02 60m +13 / - IT9SVJ - / -10 2 ✓ Closing fragment
10-16 17:01 60m +14 / - IW2CAK -6 / -6 4 ✓ Closing observed
10-16 16:59 60m +12 / - YL3NF +2 / -2 5 ✓ Full exchange observed
10-16 16:57 60m +10 / +5 SM2OTU -2 / -17 5 ✓ Full exchange observed
10-16 16:56 60m +14 / - ON4DS -18 / -9 5 ✓ Full exchange observed
10-16 16:53 60m +12 / 0 I3YPD -9 / -14 4 ✓ Full exchange observed
10-16 16:51 60m +12 / +6 PA3FUJ -9 / -6 4 ✓ Full exchange observed
10-16 16:49 60m +14 / -2 F5HNQ -4 / -10 5 ✓ Full exchange observed
10-16 16:46 60m +14 / 0 DG4HAD -16 / -6 4 ✓ Full exchange observed
10-16 16:45 60m +12 / - F5HNQ -7 / -9 2 Partial capture
10-16 16:45 60m +12 / -2 YO2LEL -7 / +2 5 ✓ Full exchange observed
10-16 05:31 60m +12 / - PJ4/DH8BQA - / -15 3 Partial capture
10-16 05:28 60m +8 / - VP2MAW -1 / -8 4 ✓ Closing observed
10-14 19:07 60m -10 / 0 M0IOW -12 / -13 4 ✓ Full exchange observed
10-14 19:05 60m -8 / +1 EB3JT -10 / -9 4 ✓ Full exchange observed
10-14 19:04 60m -10 / -12 LZ1ZF -10 / -19 5 ✓ Full exchange observed
10-14 19:02 60m -6 / - OH1LA -16 / -5 5 ✓ Closing observed
10-14 19:00 60m -10 / +5 F1GTU -4 / -2 5 ✓ Full exchange observed
10-14 18:59 60m -10 / - OH5YZ - / -17 2 ✓ Closing fragment
10-14 18:58 60m -8 / - GT3MAN - / - 2 Partial capture
10-14 18:57 60m -6 / - SP9D - / +1 2 ✓ Closing fragment
10-14 18:55 60m -3 / - HB9DWR - / -6 3 ✓ Closing fragment
10-14 18:53 60m -7 / - EA5IT - / -10 3 ✓ Closing fragment
10-14 18:52 60m -11 / - DL6EL -2 / +2 4 ✓ Full exchange observed
10-14 18:48 60m -6 / - LY2SA - / +4 2 Partial capture
10-14 18:47 60m -4 / - GT3MAN - / - 7 Partial capture
10-14 18:46 60m -8 / +2 SM3ULU -16 / -11 4 ✓ Full exchange observed
10-14 18:45 60m -7 / - SP1RKT -20 / -7 3 ✓ Closing observed
10-14 18:44 60m -6 / - OH6FSO - / -11 2 ✓ Closing fragment
10-14 17:23 60m +8 / - FW1P - / -2 6 Partial capture
10-13 17:40 60m +12 / - FW1P - / - 6 Partial capture

Recent FT8 messages decoded at SO8OO

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

60m
UTC    dB Audio  Message
052845 +13  727  W1FAM YO2MAX 73
052915 +13  727  PA/DK4DAX YO2MAX KN15
052945 +14  727  CQ YO2MAX KN15
053015 +13  727  F1IQH YO2MAX -05
053030  -4  728  YO2MAX F1IQH R-03
053045 +12  727  F1IQH YO2MAX RR73
053100  -8  728  YO2MAX F1IQH 73
053115 +11  727  <SX37VER> YO2MAX KN15
053130 -13 1990  YO2MAX SX37VER +23
053145 +13  727  SX37VER YO2MAX R+02
053245 +10  727  WA2VNV YO2MAX -14 (x5)
80m
UTC    dB Audio  Message
184330 +15 1031  JJ7KKM YO2MAX R-23 (x2)
191345 +14  781  7M2PDT YO2MAX KN15 (x3)
191515 +16  781  JI4JKO YO2MAX -14
191530 -11  433  YO2MAX G0JEI -21
191545 +17  781  JI4JKO YO2MAX RR73
185530  +0 1389  EP2AES YO2MAX KN15 (x7)
160m
UTC    dB Audio  Message
170845  +4 1388  RI1FJZ YO2MAX -17 (x15)
40m
UTC    dB Audio  Message
145945 +18  418  KH8WW YO2MAX KN15 (x5)
071315  +5  866  DK2MAX YO2MAX KN15 (x3)
071430  -5  241  YO2MAX DK2MAX +02
071445 +10  866  DK2MAX YO2MAX R-10
071500 -10  241  YO2MAX DK2MAX RR73
071515  +5  866  DK2MAX YO2MAX 73
071530 -11 1866  YO2MAX RC2Y KO73 (x3)
20m
UTC    dB Audio  Message
045630 -20 1541  YO2MAX R1QD -16 (x2)
054600 -18 1833  YO2MAX EA5HM IM99 (x2)
063115 -15 1760  YO2MAX RA9ACA -15
052215 -13 2324  VK2AAI YO2MAX KN15 (x3)
052345 -14 2324  VK2PWS YO2MAX KN15 (x3)
053045 -13  885  YO2MAX HB9CIC R+00
10m
UTC    dB Audio  Message
185245 -14 1590  YO2MAX CT7ATA R-04 (x2)

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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