EC5CIA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Spain Most frequent locator attributed to this token: IM99

Receiver-side FT8 activity involving EC5CIA, decoded by SO8OO in southeastern Poland. 80 FT8 messages attributed to this token as transmitter, on 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-07-10.

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 80 FT8 messages attributed to EC5CIA as the transmitting token by decoded message structure across 4 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 (89%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.

Overview

80
Messages attributed
4
UTC dates decoded
9
Active 15-min windows
-11 dB
Estimated median S/N

Bands

20m · 80
First attributed message: 2026-06-06
Last attributed message: 2026-07-10 06:39 UTC

Observed FT8 message patterns

Attributed sample
80 messages
Active dates
4 UTC dates
Estimated median S/N
-11 dB
Estimated 10th-90th percentile
-18 to -6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 14, moderate (-15 to -9 dB) 44, strong (≥ -8 dB) 22.

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 EC5CIA in decoded directed-looking exchanges:

Most frequent locator attributed to EC5CIA

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
IM99 · 60 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,129 km (approx.)
Last such locator decoded
2026-07-10 06:39 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 UTCBandEC5CIA S/NCounterpartCounterpart S/NMsgsCapture
09-18 09:13 40m - / - ON7DE -21 / - 6 Partial capture
09-18 09:05 40m - / - F4BYA -4 / - 13 Partial capture
09-18 08:59 40m - / - F4BYA -5 / - 4 Partial capture
09-18 08:53 40m - / - F4BYA -7 / - 3 Partial capture
09-18 07:40 40m - / - F4BYA -2 / - 3 Partial capture
09-18 07:38 40m - / -11 F4GUK -16 / - 3 ✓ Closing fragment
09-18 07:34 40m - / - F4BYA -1 / - 3 Partial capture
09-18 07:28 40m - / - F4BYA 0 / - 6 Partial capture
09-18 07:23 40m - / -13 M0BEW -10 / - 2 ✓ Closing fragment
09-18 07:21 40m - / - GU0SUP 0 / - 2 Partial capture
09-18 07:19 40m - / - F4BYA +1 / - 5 Partial capture
09-18 07:10 40m - / - F4BYA +1 / - 3 Partial capture
09-18 07:02 40m - / - S51PV -10 / - 5 Partial capture
09-18 06:58 40m - / -17 IQ0AAI -12 / - 2 ✓ Closing fragment
09-09 07:51 40m - / - F4BYA -6 / - 2 Partial capture
09-09 07:49 40m - / -13 F4FSY -23 / - 2 ✓ Closing fragment
09-09 07:33 40m - / - F4BYA +1 / - 3 Partial capture
09-09 07:21 40m - / - F4BYA -1 / - 3 Partial capture
09-09 06:59 40m - / - F4BYA +1 / - 3 Partial capture
09-09 06:57 40m - / -15 DK7ZT -18 / - 2 ✓ Closing fragment
09-09 06:47 40m - / - F4BYA -3 / - 3 Partial capture
09-09 06:39 40m - / -10 F1IQH -18 / - 2 ✓ Closing fragment
09-08 08:17 40m - / - DH3KR -15 / - 3 Partial capture
09-08 08:17 40m - / -15 DL3MIB -4 / - 3 ✓ Closing fragment
08-24 09:05 20m - / - OE6TNO -4 / - 8 Partial capture
08-24 09:00 20m - / -15 ON1JP -16 / - 5 Partial capture
08-24 09:00 20m - / -7 PD0ONP -5 / - 2 ✓ Closing fragment
08-24 08:58 20m - / -11 DK2ZM -3 / - 3 Partial capture
08-24 08:57 20m - / - DL1UDO -2 / - 2 Partial capture
08-24 08:55 20m - / -2 PD1HBL -14 / - 3 ✓ Closing fragment
08-24 08:52 20m - / - OE8PIT +6 / - 4 Partial capture
08-21 15:41 20m - / -14 OK2CNI +11 / - 3 ✓ Closing fragment
08-21 15:37 20m - / -16 ON1JP -16 / - 2 Partial capture
08-18 15:16 20m - / - DJ1OJ -8 / - 2 Partial capture
08-18 15:05 20m - / - DK3HV -9 / - 7 Partial capture
08-03 05:25 40m - / -1 DJ0MAB -6 / - 2 ✓ Closing fragment
07-10 06:37 20m -11 / - TN8GD - / - 4 Partial capture
07-10 06:36 20m -12 / - ON1JP - / -11 3 Partial capture
07-10 06:30 20m -9 / - SP9XG - / -5 2 ✓ Closing fragment
07-10 06:16 20m -12 / - YO4GIY - / -3 4 ✓ Closing fragment
07-10 06:15 20m -8 / - DL1YS - / -12 2 ✓ Closing fragment
07-07 07:37 20m - / -13 DL3MIB -8 / - 3 ✓ Closing fragment
07-07 05:37 20m - / - DL3MIB -4 / - 6 Partial capture
07-07 05:32 20m - / -2 IZ4JMA -14 / - 2 Partial capture
07-07 05:32 20m - / - PA3CPS +5 / - 3 Partial capture
07-03 07:13 20m -12 / -6 E75AA -10 / - 3 ✓ Closing observed
07-03 07:04 20m - / - OZ9FF -16 / - 2 Partial capture
06-30 14:22 20m - / +3 LZ1ZF -6 / - 2 ✓ Closing fragment
06-30 14:21 20m - / -3 OE6HTG -14 / - 2 ✓ Closing fragment
06-30 14:16 20m - / - DL9KM -8 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
090830  -3 2983  EC5CIA F4BYA JN19
091030 -17 2334  EC5CIA S51PV JN76
091030  -4 2983  EC5CIA F4BYA JN19 (x4)
091330 -21 1785  EC5CIA ON7DE JO20
091330  -2 2983  EC5CIA F4BYA JN19 (x2)
091500 -21 1785  EC5CIA ON7DE JO20 (x2)
091530  -6 2983  EC5CIA F4BYA JN19
091600 -18 1785  EC5CIA ON7DE JO20 (x3)
20m 
UTC    dB Audio  Message
090100 -12 1465  EC5CIA ON1JP -15 (x4)
090500  +0 1214  EC5CIA OE6TNO JN77 (x2)
090600  -1 1715  EC5CIA DL6ZOG JO52
090630  -5 1214  EC5CIA OE6TNO JN77 (x6)
090930  -8 2172  EC5CIA IK2XDF JN45
091100 -24 1664  EC5CIA HB9HYO JN36

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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