7Z1XX — 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: Saudi Arabia Most frequent locator attributed to this token: LL07

Receiver-side FT8 activity involving 7Z1XX, decoded by SO8OO in southeastern Poland. 517 FT8 messages attributed to this token as transmitter, on 80m, 60m, 40m, 20m, 10m, across 4 UTC dates in the available aggregate history. Observed between 2026-08-14 and 2026-08-18.

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 517 FT8 messages attributed to 7Z1XX 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 (30%), followed by 40 m (29%) and 10 m (19%). The busiest six-hour window was 14:00-20:00 UTC, containing 42% of decodes. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10.6 dB.

Overview

517
Messages attributed
4
UTC dates decoded
36
Active 15-min windows
-10.6 dB
Estimated median S/N

Bands

First attributed message: 2026-08-14
Last attributed message: 2026-08-18 15:01 UTC

Observed FT8 message patterns

Attributed sample
517 messages
Active dates
4 UTC dates
Estimated median S/N
-10.6 dB
Estimated 10th-90th percentile
-17 to -3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 83, moderate (-15 to -9 dB) 253, strong (≥ -8 dB) 181.

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 7Z1XX

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
LL07 · 226 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
2,981 km (approx.)
Last such locator decoded
2026-08-18 14:58 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 UTCBand7Z1XX S/NCounterpartCounterpart S/NMsgsCapture
08-18 15:04 20m - / -13 DF3VX -22 / - 2 Partial capture
08-18 14:57 20m -8 / - C31HS - / -18 6 ✓ Closing fragment
08-18 14:57 20m - / +3 OH2ZZ -21 / - 4 Partial capture
08-18 14:53 20m -16 / - DF3VX - / - 5 Partial capture
08-18 14:52 20m - / - PE9JAN -17 / - 4 Partial capture
08-18 14:51 20m - / - R4HHN -10 / - 3 Partial capture
08-18 14:49 20m - / - EA3IDY -3 / - 9 Partial capture
08-18 14:48 20m -11 / - DM6KW - / -17 5 ✓ Closing fragment
08-18 14:47 20m -4 / -7 M7KBF -15 / -13 5 ✓ Full exchange observed
08-18 14:45 20m 0 / - DG4MDO - / -9 3 ✓ Closing fragment
08-18 14:44 20m -12 / -11 M7GFJ -15 / -9 5 ✓ Full exchange observed
08-18 14:41 20m -12 / - RL2F - / -17 3 Partial capture
08-18 14:40 20m - / - RG5A +5 / - 7 Partial capture
08-18 14:38 20m -17 / - DG4MD - / +1 6 ✓ Closing fragment
08-18 14:36 20m -9 / - PD1DRE - / -14 4 ✓ Closing fragment
08-18 14:32 20m -14 / -18 M7KPQ -6 / -16 8 ✓ Full exchange observed
08-18 14:30 20m -12 / - IK2DUW -19 / -10 3 ✓ Closing observed
08-18 14:28 20m - / -14 EA3IDY -6 / - 24 Partial capture
08-18 14:26 20m -13 / - EA1FRJ - / - 3 Partial capture
08-18 14:22 20m -18 / - M7CCZ - / +2 5 Partial capture
08-18 11:07 10m - / - DN9AD -14 / - 4 Partial capture
08-18 10:55 10m - / - DN9AD -11 / - 3 Partial capture
08-18 10:53 10m - / -3 M7NXK -18 / - 5 Partial capture
08-18 10:48 10m - / - DK4RH -16 / - 2 ✓ Closing fragment
08-17 19:03 40m - / - OZ8ABA -2 / - 4 Partial capture
08-17 19:02 40m -13 / - PD2MAC - / -13 2 Partial capture
08-17 19:01 40m -14 / - SN1A -16 / -11 3 ✓ Closing observed
08-17 18:58 40m - / -13 R2EA/P -16 / - 2 Partial capture
08-17 18:57 40m -12 / -4 R2BT +3 / -1 5 ✓ Full exchange observed
08-17 18:56 40m -11 / - UR5TOB -21 / -14 4 ✓ Closing observed
08-17 18:54 40m -12 / -6 DJ3NJ -11 / -14 5 ✓ Full exchange observed
08-17 18:53 40m -12 / - SV1TRJ - / -12 2 ✓ Closing fragment
08-17 18:51 40m -16 / - SA3KAK - / -12 2 ✓ Closing fragment
08-17 18:48 40m -15 / +7 HA1RJ +1 / -7 7 ✓ Full exchange observed
08-17 18:47 40m -20 / -5 HA7XL -2 / -5 6 ✓ Full exchange observed
08-17 18:45 40m -16 / - BG7BVI - / - 6 Partial capture
08-17 18:43 40m -18 / +2 DL6UM -7 / -4 9 Partial capture
08-17 18:42 40m -12 / -14 RZ6AKF -10 / -6 4 ✓ Full exchange observed
08-17 18:41 40m - / - DL3MIB -5 / - 9 Partial capture
08-17 18:39 40m -14 / -5 OE5MZO -2 / -4 9 ✓ Full exchange observed
08-17 18:39 40m -11 / -3 SP3HLM -13 / -4 6 ✓ Full exchange observed
08-17 18:38 40m -10 / - OH4JFN - / -5 2 ✓ Closing fragment
08-17 18:36 40m -10 / +2 DB9LG -4 / -7 5 ✓ Full exchange observed
08-17 18:35 40m - / - HA1RJ 0 / - 10 Partial capture
08-17 18:34 40m -10 / 0 DK7ZT -15 / -10 5 ✓ Full exchange observed
08-17 18:33 40m -9 / -13 HF5A -14 / - 4 ✓ Closing observed
08-17 18:32 40m - / - HA1TAB -1 / - 5 Partial capture
08-17 18:32 40m -11 / - RK4F - / -6 2 ✓ Closing fragment
08-17 18:28 40m - / +5 RN3OG -5 / - 6 ✓ Closing fragment
08-17 18:28 40m -11 / - IK4LZH -6 / -5 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
145445 -18 1781  DF3VX 7Z1XX LL07 (x3)
145700 -23 1715  7Z1XX OH2ZZ +03
145715  -6 2652  C31HS 7Z1XX LL07
145830 -24 1779  7Z1XX OH2ZZ +03
145845  -9 2652  C31HS 7Z1XX LL07 (x3)
150030 -20 2289  7Z1XX OH2ZZ +03
150045  -4 2652  C31HS 7Z1XX R-18 (x2)
150200 -18 2288  7Z1XX OH2ZZ +03
150400 -24 1576  7Z1XX DF3VX -13 (x2)
10m
UTC    dB Audio  Message
114130  -5 3083  7Z1XX DL9UW RR73
104845 -21 1910  7Z1XX DK4RH RR73 (x2)
105315 -22 1296  7Z1XX M7NXK -03 (x3)
105515 -19 1497  7Z1XX DN9AD JO52
105545 -16 1297  7Z1XX M7NXK RRR
105545  -8 1497  7Z1XX DN9AD JO52 (x2)
105715 -18 1297  7Z1XX M7NXK RRR
110745 -14 1498  7Z1XX DN9AD JO52 (x4)
40m
UTC    dB Audio  Message
185845 -16 2155  7Z1XX R2EA/P -14
185845  +2 2727  7Z1XX R2BT 73
185900 -10 2001  CQ 7Z1XX LL07
190000 -11 2002  RU3KV 7Z1XX RR73
190030 -14 2001  CQ 7Z1XX LL07
190100 -13 2001  SN1A 7Z1XX -11 (x2)
190145 -16 1884  7Z1XX SN1A 73
190200 -14 2001  CQ 7Z1XX LL07
190230 -13 2001  PD2MAC 7Z1XX -13 (x2)
190315  -2 2656  7Z1XX OZ8ABA JO55 (x4)
60m
UTC    dB Audio  Message
024015  -1  649  7Z1XX UW5ESX KN67
024015  -7 1733  7Z1XX DH3YAK 73
024045  +2  649  7Z1XX UW5ESX KN67 (x9)
032915  +9  774  7Z1XX LA9GX JO59 (x4)
80m
UTC    dB Audio  Message
012645  -4 1003  IU7BPO 7Z1XX LL07
012700 -13 1546  7Z1XX MM0KQC -15
012700 -18 1700  7Z1XX GB8VJ -21
012700  -1 2188  7Z1XX F8NHF JO10
012715  -3 1003  IU7BPO 7Z1XX LL07 (x2)
012800  +0 1139  7Z1XX F8NHF JO10
012815  -2 1003  IU7BPO 7Z1XX LL07
012830  -1 1139  7Z1XX F8NHF JO10
012845  -3 1003  IU7BPO 7Z1XX LL07
012915  -3 1753  AA1SU 7Z1XX LL07 (x4)
013315  -6 1548  MM0KQC 7Z1XX LL07

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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