K4MIE — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM64

Receiver-side FT8 activity involving K4MIE, decoded by SO8OO in southeastern Poland. 35 FT8 messages attributed to this token as transmitter, on 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-08-20 and 2026-08-28.

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 35 FT8 messages attributed to K4MIE as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Several six-hour UTC windows tied for the largest share (94%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

35
Messages attributed
6
UTC dates decoded
8
Active 15-min windows
-12 dB
Estimated median S/N

Bands

First attributed message: 2026-08-20
Last attributed message: 2026-08-28 15:51 UTC

Observed FT8 message patterns

Attributed sample
35 messages
Active dates
6 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-15 to -5 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 3, moderate (-15 to -9 dB) 19, strong (≥ -8 dB) 13.

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 K4MIE

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
EM64 · 3 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
8,314 km (approx.)
Last such locator decoded
2026-08-27 20:07 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 UTCBandK4MIE S/NCounterpartCounterpart S/NMsgsCapture
08-28 15:55 20m - / -13 OK2CNI -9 / - 2 ✓ Closing fragment
08-28 15:51 20m -16 / - IK4LZH - / -18 2 Partial capture
08-27 20:47 20m - / - DG4MK -9 / - 4 Partial capture
08-27 20:47 20m - / - DL3MIB +13 / - 7 Partial capture
08-27 20:26 20m -15 / - E70NA - / -15 2 Partial capture
08-27 20:24 20m - / - G0ULG -6 / - 2 Partial capture
08-27 20:08 20m - / - DM4GG +13 / - 2 Partial capture
08-27 20:01 20m - / - M7NTL +4 / - 11 Partial capture
08-27 19:59 20m - / - SP1TJ -8 / - 2 Partial capture
08-27 18:58 20m - / -16 PD5MVH +2 / - 12 Partial capture
08-26 20:42 20m - / -10 9K2YM +5 / - 2 ✓ Closing fragment
08-23 21:40 20m -13 / -12 SV5BYP -12 / -12 6 ✓ Full exchange observed
08-22 21:51 20m - / - RA3ZH +10 / - 2 Partial capture
08-22 21:40 20m -7 / - 7Z1BQ - / -12 8 Partial capture
08-22 21:39 20m -6 / - WY0V - / +8 2 ✓ Closing fragment
08-22 21:38 20m -7 / - EA8UP - / -5 2 Partial capture
08-22 21:36 20m -12 / - S55X - / -11 2 Partial capture
08-21 21:09 20m - / - R6FFB -8 / - 2 Partial capture
08-21 21:06 20m -13 / - KJ2AM - / +1 8 Partial capture
08-21 21:04 20m - / - RN3OG +4 / - 3 Partial capture
08-21 20:35 20m - / -18 4Z5PT -6 / - 2 ✓ Closing fragment
08-21 20:23 20m - / -7 ON1AEY -12 / - 2 ✓ Closing fragment
08-21 20:23 20m - / - OE6TXW -4 / - 2 Partial capture
08-21 20:22 20m - / -14 9K2GR +1 / - 3 ✓ Closing fragment
08-21 20:18 20m - / -14 R5AJ -11 / - 2 ✓ Closing fragment
08-20 21:19 20m - / -12 EC3A 0 / - 2 Partial capture
08-20 21:18 20m -14 / - OK7TB - / +3 2 ✓ Closing fragment
08-17 22:47 20m - / -10 LZ2EW -17 / - 7 ✓ Closing fragment
08-17 22:42 20m - / +5 D2UY -9 / - 2 ✓ Closing fragment
08-17 22:40 20m - / -6 PI4DX -14 / - 2 ✓ Closing fragment
08-11 01:13 40m - / -7 US2YW +1 / - 3 ✓ Closing fragment
08-11 01:05 40m - / -8 S52D -10 / - 3 ✓ Closing fragment
08-05 17:46 20m - / -13 EA1KP -9 / - 6 ✓ Closing fragment
08-01 18:56 20m - / -24 UT7UJ +2 / - 2 ✓ Closing fragment
07-27 23:24 20m - / +5 A71UN -16 / - 2 ✓ Closing fragment
07-24 20:40 20m - / -13 G7COU -4 / - 2 ✓ Closing fragment
07-24 18:27 20m - / - RA1OD -7 / - 2 Partial capture
07-20 23:33 20m - / -6 E70A -6 / - 2 ✓ Closing fragment
07-20 23:24 20m - / - HB9TIH -12 / - 3 ✓ Closing fragment
07-20 23:19 20m - / - RX9ABI -12 / - 2 Partial capture
07-20 23:19 20m - / - I3QDK -16 / - 4 Partial capture
07-18 20:12 20m - / -17 DL3EBJ -20 / - 2 Partial capture
07-06 23:19 20m - / -15 YU1LD -8 / - 5 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
204745 +16 1048  K4MIE DL3MIB JN57
204745 -16 1678  K4MIE DG4MK JO50
204815 +16 1048  K4MIE DL3MIB JN57
204815 -12 1678  K4MIE DG4MK JO50
204845 +12 1048  K4MIE DL3MIB JN57 (x3)
204945  -4 1678  K4MIE DG4MK JO50
205015  +9 1048  K4MIE DL3MIB JN57
205015  -3 1678  K4MIE DG4MK JO50
205045 +11 1048  K4MIE DL3MIB JN57
155100 -15 2586  IK4LZH K4MIE -18 (x2)
155515 -10 2517  K4MIE OK2CNI R-13 (x2)
40m
UTC    dB Audio  Message
004200 -15 2495  K4MIE IZ8DBJ R-13
004230 -13 2221  K4MIE IK6DLK JN63
010530 -11 2232  K4MIE S52D R-08 (x3)
011030 -10 2692  K4MIE G5TV R-10
011200 -16 2218  K4MIE 9A4ZM 73
011300  +2 2222  K4MIE US2YW KN28 (x3)

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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