SP4CIW — 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: Poland Most frequent locator attributed to this token: JO93

Receiver-side FT8 activity involving SP4CIW, decoded by SO8OO in southeastern Poland. 188 FT8 messages attributed to this token as transmitter, on 160m, 40m, 20m, across 38 UTC dates in the available aggregate history. Observed between 2026-06-06 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 188 FT8 messages attributed to SP4CIW as the transmitting token by decoded message structure across 38 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (55%), followed by 20 m (28%) and 160 m (17%). The busiest six-hour window was 12:00-18:00 UTC, containing 45% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

188
Messages attributed
38
UTC dates decoded
59
Active 15-min windows
-15 dB
Estimated median S/N

Bands

160m · 32 40m · 104 20m · 52
First attributed message: 2026-06-06
Last attributed message: 2026-10-23 16:17 UTC

Observed FT8 message patterns

Attributed sample
188 messages
Active dates
38 UTC dates
Estimated median S/N
-15 dB
Estimated 10th-90th percentile
-21 to -2 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 89, moderate (-15 to -9 dB) 51, strong (≥ -8 dB) 48.

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 SP4CIW in decoded directed-looking exchanges:

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 SP4CIW

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
JO93 · 132 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
440 km (approx.)
Last such locator decoded
2026-10-23 16:15 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 UTCBandSP4CIW S/NCounterpartCounterpart S/NMsgsCapture
10-23 16:17 40m -16 / -13 RT3K -13 / - 2 ✓ Closing observed
10-23 16:14 40m -18 / - SP2MGR/P - / -11 6 ✓ Closing fragment
10-21 19:18 40m - / -18 R4FDK -8 / - 3 ✓ Closing fragment
10-18 09:58 40m - / - SP4GDW -16 / - 3 Partial capture
10-15 10:28 40m -18 / -8 SP4WSL -5 / +3 6 ✓ Full exchange observed
10-12 01:10 160m -16 / -12 PI4DX +6 / +8 5 ✓ Full exchange observed
10-12 00:57 160m -10 / - F5RMK - / - 8 Partial capture
10-12 00:53 160m -18 / - RX6DA - / - 5 Partial capture
10-12 00:48 160m -7 / -1 DK7ZT +6 / -11 5 ✓ Full exchange observed
10-12 00:47 160m -8 / -18 DL1HDL 0 / -13 4 ✓ Full exchange observed
10-05 06:52 40m -21 / -20 DN2FBG -7 / - 2 ✓ Closing observed
10-03 14:24 40m -19 / - EX7CQ - / - 3 Partial capture
10-03 14:16 40m -18 / - LA5ZUA - / -12 8 ✓ Closing fragment
10-03 14:13 40m -18 / -13 DK6WS -13 / -7 9 ✓ Full exchange observed
09-27 15:47 40m -12 / -7 SQ8V -2 / -14 4 ✓ Full exchange observed
09-27 13:53 40m -15 / - SO100PKP - / -2 2 Partial capture
09-24 15:21 40m -23 / - SQ5N -6 / - 5 Partial capture
09-22 10:11 40m -12 / -10 SQ9SET -1 / - 6 ✓ Full exchange observed
09-22 09:40 40m -20 / -15 SP4GDW -15 / -7 10 ✓ Full exchange observed
09-19 11:13 40m -18 / -11 HF100PKP -7 / - 2 Partial capture
09-19 11:10 40m -19 / -7 SQ9BDB -6 / - 3 ✓ Closing observed
09-17 13:04 40m -16 / -15 SP6AXW -12 / -1 5 ✓ Full exchange observed
09-17 13:01 40m -21 / -10 SN100PKP -9 / +3 3 Partial capture
09-17 01:51 160m -21 / - DK5WL - / -11 3 Partial capture
09-17 01:46 160m - / - DK5WL +2 / - 3 Partial capture
09-17 01:44 160m -18 / -22 UT5ZC +12 / +5 6 ✓ Full exchange observed
09-15 09:38 40m - / +3 SQ9SZ -17 / - 2 ✓ Closing fragment
09-06 09:28 40m -17 / -18 SO100PKP -19 / - 2 Partial capture
09-06 09:21 40m - / -7 SP9GCZ -9 / - 2 ✓ Closing fragment
09-06 01:01 160m -17 / -9 8S2A -18 / - 3 ✓ Closing observed
09-06 00:57 160m - / -6 OK1DXR +10 / - 2 ✓ Closing fragment
09-03 16:42 40m -13 / -10 SP7OK -11 / - 2 ✓ Closing observed
09-03 16:41 40m -16 / - YD2DFO - / - 3 Partial capture
08-31 04:25 40m -11 / - DJ0MAB - / - 4 Partial capture
08-26 06:37 40m - / -10 SQ9SET -11 / - 4 ✓ Closing fragment
08-25 16:03 40m -6 / -8 SQ8V -6 / - 8 Partial capture
08-24 15:54 40m -17 / - SP4DIS - / -1 9 ✓ Closing fragment
08-24 15:46 40m -12 / +8 SQ9BDB -8 / +2 6 ✓ Full exchange observed
08-24 15:11 40m -22 / -1 DM5KK -3 / -8 7 ✓ Full exchange observed
08-22 13:50 20m - / - GJ0KYZ +6 / - 2 ✓ Closing fragment
08-21 15:36 40m -8 / - HA3KHB -9 / -8 4 ✓ Closing observed
08-11 05:16 10m - / +3 SV2CLJ -4 / - 4 ✓ Closing fragment
08-09 13:11 10m - / -3 M0BEW -19 / - 3 Partial capture
08-07 17:29 40m -16 / - 5B4ARQ - / -23 2 Partial capture
08-06 16:55 20m - / -6 DL3NA -3 / - 3 ✓ Closing fragment
08-06 07:24 20m - / -18 IK4LZH -4 / - 4 Partial capture
08-05 18:14 20m - / -10 TN8GD -6 / - 2 ✓ Closing fragment
08-03 20:19 160m - / -20 SQ2BXI +4 / - 4 ✓ Closing fragment
08-03 20:15 160m - / -18 DB100FT -14 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
121630 -19 1287  DJ0MAB SP4CIW JO93
095845 -17 2047  SP4CIW SP4GDW JO93 (x3)
191800  -9 1451  SP4CIW R4FDK LO23 (x3)
161415 -17 1644  SP2MGR/P SP4CIW JO93 (x6)
161700 -13 2651  SP4CIW RT3K -13
161745 -16 1643  RT3K SP4CIW 73
160m 
UTC    dB Audio  Message
005515 -18 1485  RX6DA SP4CIW JO93 (x2)
005730  -9 1202  F5RMK SP4CIW JO93 (x8)
011045 -16 1928  PI4DX SP4CIW JO93
011100  +7 1927  SP4CIW PI4DX -12
011115 -18 1927  PI4DX SP4CIW R+08
011130  +5 1927  SP4CIW PI4DX RR73
011145 -13 1927  PI4DX SP4CIW 73
20m 
UTC    dB Audio  Message
181400  -8  671  SP4CIW TN8GD -10 (x2)
072415  -9  461  SP4CIW IK4LZH -18 (x4)
110600  -3  510  SP4CIW UA4FKT LO23
165545  +0  578  SP4CIW DL3NA JO42 (x3)
062100 -17 1573  SP4CIW KF0YOB +01
135000  +8 1603  SP4CIW GJ0KYZ +11 (x2)
10m 
UTC    dB Audio  Message
131100 -18 1513  SP4CIW M0BEW -03 (x3)
051600  -3  682  SP4CIW SV2CLJ KN10 (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.

CW

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

Explore CW reception at SO8OO

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