DO1YFF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO42

Receiver-side FT8 activity involving DO1YFF, decoded by SO8OO in southeastern Poland. 376 related FT8 messages, 36 CQ messages, observed on 160m, 80m, 10m, across 49 UTC dates. Heard between 2026-05-22 and 2026-08-20.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

376
Related messages
36
CQ messages
49
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-05-22
Last seen: 2026-08-20 18:30 UTC

Activity Heatmap

Locator transmitted by DO1YFF

Approximate centre of JO42, decoded 2026-08-20 20:29 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandDO1YFF S/NCounterpartCounterpart S/NMsgsCapture
08-19 07:01 10m -10 / - M3NRX - / -18 3 ✓ Closing fragment
08-09 05:00 80m 0 / - DD0AM -19 / -15 4 ✓ Closing observed
08-09 04:56 80m 0 / - ON3CCC - / -9 2 ✓ Closing fragment
08-09 04:52 80m 0 / -2 SP6JIU +24 / -2 5 ✓ Full exchange observed
08-09 04:49 80m -5 / -2 OK1HEH +2 / -14 3 Partial capture
08-09 04:47 80m 0 / - CT7AUT - / -24 2 ✓ Closing fragment
08-08 20:53 80m +6 / - 8S7DL 0 / - 6 ✓ Closing observed
07-16 20:31 80m -7 / - DO9MH -16 / -7 4 ✓ Closing observed
07-16 20:30 80m -8 / - RA6FYL - / -16 3 ✓ Closing fragment
07-16 20:30 80m - / +1 DL6UM +2 / - 3 Partial capture
07-16 19:34 80m - / -11 R6ODC -7 / - 2 Partial capture
07-16 19:30 80m -6 / -11 SP4MPH -9 / -11 5 ✓ Full exchange observed
07-16 19:25 80m -4 / - SQ9SET - / - 2 Partial capture
07-15 20:04 80m -4 / - <...> - / -1 2 Partial capture
07-15 19:57 80m -7 / - M9KNI - / -11 4 ✓ Closing fragment
07-15 19:52 80m -8 / - 8S7DL - / - 8 Partial capture
07-14 20:52 80m -8 / +9 GM1TGY -9 / - 4 ✓ Closing observed
07-14 20:47 80m -7 / -19 DK7ZT +2 / -10 4 ✓ Full exchange observed
07-13 20:39 80m -12 / - OZ5AGJ - / -6 2 ✓ Closing fragment
07-12 20:20 80m -11 / - DA6WA -24 / -17 2 Partial capture
07-12 20:20 80m -5 / -11 DK4FH -5 / - 6 ✓ Closing observed
07-09 21:04 80m -3 / -7 R2AL +3 / - 4 ✓ Closing observed
07-09 21:00 80m -7 / -3 OK1FAN +5 / - 3 ✓ Closing observed
07-09 05:09 80m -11 / -6 OE8DDX +3 / -20 3 Partial capture
07-08 21:35 80m +5 / - A71UN - / - 3 Partial capture
07-08 20:58 80m - / - OE3OOG +10 / - 2 ✓ Closing fragment
07-08 20:57 80m +2 / +1 HB9GFX -2 / -8 6 ✓ Full exchange observed
07-08 20:57 80m +2 / +4 IK2HNG -6 / - 4 ✓ Closing observed
07-08 20:43 80m -6 / -1 HB9EFK +13 / +2 5 ✓ Full exchange observed
07-07 11:12 10m -7 / -10 MD0CCE -12 / - 5 ✓ Closing observed
07-05 20:09 80m 0 / - II7WWA - / - 4 Partial capture
07-05 19:52 80m +1 / - II7WWA - / - 9 Partial capture
07-05 19:45 80m -2 / - <...> - / -9 3 Partial capture
07-04 19:42 80m -10 / - II7WWA - / - 10 Partial capture
07-03 21:57 80m - / - EA3HMM -17 / - 3 Partial capture
07-03 21:55 80m -3 / - CS2WWA - / -17 4 ✓ Closing fragment
07-03 21:26 80m 0 / - EH1WWA - / - 7 Partial capture
07-03 21:16 80m -6 / - SK3WWA -2 / -13 7 ✓ Closing observed
07-02 20:57 80m -2 / - <...> - / - 3 Partial capture
07-02 20:33 80m -8 / -2 SN3WWA -10 / - 4 ✓ Closing observed
07-02 20:30 80m -4 / +7 OP0WWA 0 / -2 5 Partial capture
07-02 20:28 80m -1 / - II6WWA 0 / -15 3 ✓ Closing observed
07-02 20:24 80m -9 / -10 II8WWA -7 / -17 5 ✓ Full exchange observed
07-02 20:18 80m - / -5 DL4BBY -2 / - 3 ✓ Closing fragment
07-02 20:04 80m -9 / -3 IK3ASM -8 / -18 7 ✓ Full exchange observed
06-30 20:41 80m -9 / -24 R3HH -1 / - 4 ✓ Closing observed
06-30 20:38 80m -6 / -16 II4WWA -12 / -15 8 ✓ Full exchange observed
06-30 20:32 80m -7 / -15 II2WWA -5 / -10 11 ✓ Full exchange observed
06-30 19:54 80m -10 / -4 II3WWA 0 / -11 7 ✓ Full exchange observed
06-30 11:12 10m +14 / - A41ZZ - / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
044945  -5 2799  OK1HEH DO1YFF R-14
045245  -4 2799  SP6JIU DO1YFF JO42
045300 +27 2862  DO1YFF SP6JIU -02
045315  +3 2799  SP6JIU DO1YFF R-02
045330 +22 2862  DO1YFF SP6JIU RR73
045345  +2 2799  SP6JIU DO1YFF 73
045615  +4 2798  ON3CCC DO1YFF R-09 (x2)
050045  +0 2798  DD0AM DO1YFF JO42 (x2)
050130 -19 2629  DO1YFF DD0AM RR73
050145  -1 2798  DD0AM DO1YFF 73
195700  -6 1811  DO1YFF RL2F RRR
202945  -9  648  <...> DO1YFF JO42
203000  -4 1487  DO1YFF ZA/IW2JOP -08
10m
UTC    dB Audio  Message
204200  -4 1041  HI4WWA DO1YFF JO42 (x2)
111215 +15 2397  A41ZZ DO1YFF JO42 (x2)
111200  -6 2713  MD0CCE DO1YFF JO42 (x2)
111315 -13 2361  DO1YFF MD0CCE -10 (x2)
111400  -9 2713  MD0CCE DO1YFF 73
162300 -15 1121  CQ DO1YFF JO42                        a1 (x3)
070100 -10  998  M3NRX DO1YFF JO42 (x3)
160m
UTC    dB Audio  Message
022115  -9 1714  DO1YFF I8OHQ -16
022200  +1 2534  I8OHQ DO1YFF R-08 (x4)
211115  -8 1546  CT2GQA DO1YFF JO42 (x9)
201545 -15 1568  CE4KM DO1YFF JO42

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.