BG2TPK 台站信息

BG2TPK BG2TPK    新窗口  历史数据
消息:
最新位置: 121°34'41" E 38°54'37" N (PM08SV)   
最近时间: 2026-02-27 15:58:57
最新传递路径: BG2TPK>SXUTV3,BD2RL-3,WIDE1,BG2WHR-3,WIDE2*,qAO,BH2UFZ-10
数据包: 155    (导出KML文件)(导出GPX文件)
附加信息: 速度0.0km/h 方向135° 海拔14.0m
设备: Yaesu:FTM-350(rig)
其他SSID:
通过无线电波直接听到BG2TPK的台站
呼号 首次听到
上次听到
最远(tx=>rx) 最远位于
BG2VIA BG2VIA 39
2026-02-26 16:43:11
2026-02-27 15:58:55
6.31km 297.0° 2026-02-27 04:43:22 
BD2RL-3 BD2RL-3 55
2026-02-26 16:45:57
2026-02-27 15:58:57
4.81km 97.0° 2026-02-26 18:51:11 
BH2XJR-10 BH2XJR-10 61
2026-02-26 17:13:11
2026-02-27 14:06:59
4.48km 136.0° 2026-02-26 18:51:09 
BG2TPK当前位置附近的台站
呼号 距离 位置时刻
BH2XBA-10 BH2XBA-10 14.70km 298° 2026-01-17 11:02:38.387
BI2RYG-7 BI2RYG-7 12.03km 301° 2026-02-12 06:53:01.989
BH2QLT-10 BH2QLT-10 12.08km 302° 2025-12-10 19:55:09.38
BH2QJJ-9 BH2QJJ-9 19.10km 301° 2026-02-27 15:36:16.716
BH2WZU-15 BH2WZU-15 7.88km 264° 2026-02-26 09:32:59.87
BH2XCT BH2XCT 5.72km 245° 2026-02-16 07:24:27.888
BG2RVL-5 BG2RVL-5 4.60km 223° 2026-01-11 19:40:06.949
BG2RVL-10 BG2RVL-10 4.48km 222° 2026-02-27 16:20:25.569
BG2RDZ-9 BG2RDZ-9 4.45km 241° 2026-02-27 08:12:03.67
BH2VXW-15 BH2VXW-15 4.12km 230° 2026-02-27 16:09:16.525
BH2URK-7 BH2URK-7 3.12km 228° 2026-02-26 06:18:10.675
BH2XJR-0 BH2XJR-0 3.09km 268° 2026-02-27 16:20:00.7
BI2RXR-10 BI2RXR-10 8.98km 273° 2026-02-21 19:45:14.07
BG2VIA-9 BG2VIA-9 6.21km 297° 2026-02-27 15:50:28.339
BH2SXA-9 BH2SXA-9 5.89km 298° 2026-02-25 21:52:33.614
BG2UGM BG2UGM 6.60km 310° 2026-02-08 13:55:09.924
BG2UGM-5 BG2UGM-5 6.60km 310° 2025-12-10 17:41:39.435
BG2VGZ-9 BG2VGZ-9 5.32km 317° 2026-02-27 14:15:49.915
BH2UMQ BH2UMQ 5.37km 320° 2026-02-03 23:03:24.695
BH2TVD-15 BH2TVD-15 4.98km 321° 2026-02-04 16:03:23.223
BH2RLX-1 BH2RLX-1 3.33km 212° 2025-12-06 23:16:27.535
BG2WRH-0 BG2WRH-0 3.76km 167° 2026-01-08 06:27:58.307
BH2URK-10 BH2URK-10 2.98km 227° 2026-02-16 12:09:39.536
BH2WOF-5 BH2WOF-5 1.06km 239° 2025-12-25 12:08:27.618
BD2UYY BD2UYY 1.43km 177° 2025-12-07 19:13:04.267
BH2WIX-7 BH2WIX-7 0.47km 169° 2026-02-27 16:36:26.466
BG2TPK-10 BG2TPK-10 0.10km 136° 2026-02-16 03:57:30.55
BH2SKT-9 BH2SKT-9 0.38km 84° 2026-01-29 06:48:30.251
BH2WIV-7 BH2WIV-7 2.93km 139° 2026-02-18 12:21:44.483
BH2TUV BH2TUV 3.44km 110° 2026-02-01 09:33:58.029
BH2TUV-9 BH2TUV-9 3.51km 109° 2026-02-25 17:06:14.862
BG2VZJ-9 BG2VZJ-9 2.61km 100° 2026-02-27 09:43:07.516
BD2RL-3 BD2RL-3 4.76km 96° 2026-02-27 16:31:40.097
BH2SDL-10 BH2SDL-10 1.18km 293° 2025-12-08 20:21:13.993
BG2QHY-6 BG2QHY-6 2.58km 332° 2026-02-02 20:37:45.633
BG2QHY-7 BG2QHY-7 2.59km 332° 2025-12-26 10:27:28.074
BH3HHI-9 BH3HHI-9 1.71km 43° 2026-01-23 16:48:10.649
BH2RPW-9 BH2RPW-9 2.49km 12° 2026-02-27 16:34:20.669
BG2TAH-9 BG2TAH-9 3.17km 339° 2026-02-18 13:15:18.273
BG2THZ-15 BG2THZ-15 4.69km 349° 2026-02-21 00:37:18.146
BH2WDU-5 BH2WDU-5 3.32km 81° 2026-02-25 16:20:30.262
BH2UQJ-7 BH2UQJ-7 5.34km 83° 2026-02-27 07:33:14.887
BG2QGB-8 BG2QGB-8 5.16km 78° 2026-01-03 10:45:19.138
BG2TAQ BG2TAQ 5.35km 71° 2025-12-07 16:32:56.093
BG2YF BG2YF 5.37km 64° 2026-02-27 16:35:32.333
BH2RPW BH2RPW 10.51km 321° 2026-02-24 07:32:35.523
BI2RBF-6 BI2RBF-6 11.40km 319° 2026-02-08 21:11:29.765
BH2WTV-2 BH2WTV-2 8.16km 314° 2026-02-27 16:22:00.034
BH2SLP-3 BH2SLP-3 6.61km 328° 2026-02-08 13:37:28.712
BD2UYY-9 BD2UYY-9 8.19km 339° 2026-02-16 16:13:07.696
BG2THZ-11 BG2THZ-11 5.09km 348° 2026-02-26 20:12:36.717
BG2THZ BG2THZ 5.11km 352° 2025-12-24 13:56:55.823
BH2XXZ-9 BH2XXZ-9 5.03km 12° 2025-12-23 07:11:40.602
BD2RUE BD2RUE 7.52km 353° 2025-12-07 08:15:07.627
BD2RJ-14 BD2RJ-14 8.37km 8° 2026-01-12 15:24:05.704
BD2RJ-10 BD2RJ-10 8.38km 8° 2026-01-18 10:58:32.381
BH2QLT-1 BH2QLT-1 9.16km 6° 2026-01-11 13:00:59.239
BG2VZP BG2VZP 7.39km 21° 2026-02-27 16:33:43.471
BG2VZP-10 BG2VZP-10 6.53km 36° 2025-12-09 19:55:28.259
BG2VZP-8 BG2VZP-8 6.64km 36° 2026-02-19 20:49:04.732
BH2VYD-5 BH2VYD-5 9.57km 13° 2026-02-22 21:15:30.813
BG2TAN-9 BG2TAN-9 10.08km 10° 2026-02-27 13:41:41.539
BG2TAN-5 BG2TAN-5 10.16km 10° 2026-02-08 17:43:03.708
BG2TAN BG2TAN 10.09km 11° 2025-12-12 16:31:57.668
BH2VHS-7 BH2VHS-7 10.44km 11° 2026-02-27 00:25:16.709
BG2WC-9 BG2WC-9 12.50km 22° 2025-12-06 09:16:28.049
BG2QQA-9 BG2QQA-9 12.85km 12° 2025-12-24 14:04:05.654
BD2RJ-11 BD2RJ-11 14.38km 15° 2025-12-06 08:04:16.609
BD2RJ-9 BD2RJ-9 14.35km 15° 2025-12-01 16:22:43.59
BD2RJ-5 BD2RJ-5 14.41km 15° 2025-12-06 22:27:55.226
BD2RJ-3 BD2RJ-3 14.63km 16° 2026-02-27 15:52:12.677
BH2WRJ BH2WRJ 29.09km 250° 2026-02-18 11:12:09.3
BI2QHK BI2QHK 28.87km 247° 2026-02-26 13:47:21.37
BG2XYW-4 BG2XYW-4 19.04km 240° 2026-02-23 22:43:44.759
BH2TWE BH2TWE 18.50km 239° 2025-12-17 15:13:38.865
BG2RZJ BG2RZJ 17.24km 241° 2026-01-15 22:47:46.494
BI2TK-2 BI2TK-2 12.42km 244° 2026-02-21 15:51:39.556
BH2XEH BH2XEH 9.75km 220° 2026-02-27 16:37:37.251
BG2RZJ-9 BG2RZJ-9 9.16km 224° 2026-02-24 17:15:42.496
BI2RIR-10 BI2RIR-10 8.55km 222° 2025-12-08 12:32:42.019
BA4RUY-9 BA4RUY-9 8.15km 215° 2026-02-20 18:01:50.574
BG2VJE-9 BG2VJE-9 7.18km 222° 2026-02-11 12:51:34.825
BG2RBW-9 BG2RBW-9 6.97km 209° 2026-02-16 11:13:17.57
BI2RIR-7 BI2RIR-7 6.12km 207° 2025-12-16 08:31:44.824
BG2WRH-5G BG2WRH-5G 5.57km 145° 2026-02-19 12:52:04.046
BG2WRH-7 BG2WRH-7 5.93km 143° 2026-02-27 16:36:20.415
BG2WRH-10 BG2WRH-10 5.95km 142° 2026-02-27 16:10:59.738
BG2WRH-4G BG2WRH-4G 5.93km 142° 2026-01-06 20:46:35.091
BH2REU-9 BH2REU-9 6.14km 141° 2026-02-27 07:08:55.324
BG2WRH-3 BG2WRH-3 5.92km 141° 2026-01-10 06:56:07.925
BH2TVR-10 BH2TVR-10 5.91km 112° 2025-12-21 20:42:08.888
BH2TVR-9 BH2TVR-9 5.95km 112° 2026-02-27 13:23:26.139
BH3HHI-10 BH3HHI-10 5.89km 73° 2026-01-23 23:23:47.551
BD2QGR-9 BD2QGR-9 7.56km 85° 2026-02-15 11:23:55.609
BH2UEZ-12 BH2UEZ-12 6.88km 61° 2026-02-14 02:20:45.227
BD2RUE-9 BD2RUE-9 15.47km 36° 2026-02-27 16:37:56.374
BG2VZP-9 BG2VZP-9 16.65km 39° 2026-02-26 18:10:40.563
BA4QHC-7 BA4QHC-7 18.76km 47° 2026-02-27 16:12:27.464
BH2XDP-9 BH2XDP-9 19.66km 46° 2026-01-01 13:09:37.916
BA4QHC-5 BA4QHC-5 19.93km 47° 2025-12-31 12:25:20.843
BH2WJP-2 BH2WJP-2 22.76km 52° 2026-02-13 09:15:58.394
BH2SDC BH2SDC 16.04km 25° 2025-12-14 18:03:06.525
BH2UKT-9 BH2UKT-9 19.09km 19° 2026-01-11 16:33:25.58
BG2XUG-9 BG2XUG-9 22.67km 27° 2026-02-13 15:07:25.99
BH2ULY-2 BH2ULY-2 23.13km 33° 2026-01-01 12:48:17.085
BH2XEE-7 BH2XEE-7 23.81km 31° 2026-02-23 11:22:47.857
BH2UU-7 BH2UU-7 24.55km 30° 2026-02-24 16:21:10.319
BA4QHC BA4QHC 20.49km 45° 2026-01-10 06:40:21.023
BH1SJB-9 BH1SJB-9 20.69km 45° 2026-02-23 20:24:33.689
BH2UFZ-10 BH2UFZ-10 20.75km 46° 2026-02-27 16:36:59.223
BG2VMN BG2VMN 21.81km 47° 2026-02-25 17:49:41.377
BH2UFZ-9 BH2UFZ-9 23.48km 53° 2026-02-07 19:18:47.201
BH2XIY-2 BH2XIY-2 24.03km 50° 2026-02-24 18:00:35.309
BH2XIY-4G BH2XIY-4G 24.09km 50° 2026-01-16 23:42:51.153
BH2XIY-6 BH2XIY-6 24.05km 51° 2026-02-27 16:33:48.195
BH2 BH2 24.83km 33° 2026-01-08 15:10:02.837
BH2WRJ-5 BH2WRJ-5 24.83km 34° 2026-02-20 18:15:48.338
BH2XJR BH2XJR 27.78km 41° 2026-02-16 07:24:21.433
BH2WJP-3 BH2WJP-3 28.07km 41° 2025-12-17 12:16:16.079
BH2WTV-9 BH2WTV-9 27.20km 50° 2025-12-21 14:13:02.65
BH2SLQ-9 BH2SLQ-9 29.70km 49° 2026-01-16 17:18:18.565
呼号 距离 位置时刻
BI2RYG-1 BI2RYG-1 12.02km 301° 2026-02-07 19:31:50.342
BI2RYG-9 BI2RYG-9 12.03km 301° 2026-01-26 07:05:11.416
BI2RYG-10 BI2RYG-10 12.14km 302° 2026-02-20 13:27:21.669
BH2WOF-9 BH2WOF-9 8.64km 262° 2025-12-03 19:09:35.66
BH2WOF-D BH2WOF-D 7.28km 271° 2026-02-14 20:02:47.173
BG2RVL-7 BG2RVL-7 4.52km 221° 2025-12-12 20:31:19.915
BG2RVL BG2RVL 4.50km 222° 2026-02-27 16:08:14.312
BI2RPG-7 BI2RPG-7 4.02km 216° 2026-02-27 08:34:23.293
BG2RVL-9 BG2RVL-9 4.27km 233° 2025-12-13 20:16:48.602
BH2URK-5 BH2URK-5 3.15km 228° 2026-02-26 14:45:41.424
BG2VFG BG2VFG 4.89km 250° 2025-12-12 21:14:05.139
BI2RXR BI2RXR 8.99km 273° 2025-12-04 19:53:49.862
BI2RU-10 BI2RU-10 6.24km 297° 2026-02-27 16:26:12.58
BG2VIA BG2VIA 6.23km 297° 2026-02-27 16:32:05.808
BG2UGM-9 BG2UGM-9 6.56km 310° 2025-12-09 16:38:56.159
BG2UGM-10 BG2UGM-10 6.60km 310° 2025-12-10 17:40:39.157
BH2XAL BH2XAL 5.67km 315° 2026-02-16 07:24:24.828
BG2VGZ-10 BG2VGZ-10 5.33km 318° 2026-02-27 16:17:04.051
BH2TVD BH2TVD 5.74km 321° 2026-02-04 16:23:38.803
BH4HQE-7 BH4HQE-7 4.17km 211° 2026-02-14 12:07:56.55
BH2RLX-7 BH2RLX-7 3.32km 212° 2026-02-24 19:07:25.991
BG2WRH-9 BG2WRH-9 2.77km 159° 2026-02-18 10:41:16.898
BH4HQE-15 BH4HQE-15 1.72km 223° 2026-01-24 19:51:55.091
BG2XYG-5 BG2XYG-5 0.56km 260° 2026-01-14 08:32:35.766
BG2VZJ-10 BG2VZJ-10 2.11km 140° 2025-12-18 11:39:57.567
BG2TPK-9 BG2TPK-9 0.12km 165° 2026-02-22 21:32:45.923
BG2RRV-9 BG2RRV-9 0.58km 97° 2026-02-27 10:30:00.139
BH2WJP-6 BH2WJP-6 4.16km 148° 2026-02-13 09:16:29.239
BH2XJR-10 BH2XJR-10 4.40km 136° 2026-02-27 16:28:16.94
BG2TAN-1 BG2TAN-1 3.49km 110° 2026-01-17 11:08:44.251
BH2ULY-9 BH2ULY-9 2.32km 95° 2026-02-27 14:43:45.045
BH2WJP-5 BH2WJP-5 4.32km 98° 2026-02-13 09:16:24.269
BH2XJR-1 BH2XJR-1 1.81km 294° 2026-02-27 11:39:35.266
BG2QHY-9 BG2QHY-9 2.55km 328° 2026-02-27 16:37:55.313
BG2QHY BG2QHY 2.61km 332° 2025-12-05 18:16:15.442
BG2XCU-10 BG2XCU-10 1.64km 62° 2026-01-25 11:30:54.504
BH2RPW-1 BH2RPW-1 2.49km 12° 2025-12-14 22:57:31.903
BH2WIX-1 BH2WIX-1 2.49km 12° 2025-12-14 21:56:17.507
BG2TQK-8 BG2TQK-8 5.02km 338° 2025-12-07 16:25:45.646
BH2WUX-15 BH2WUX-15 2.73km 3° 2026-02-03 11:38:03.27
BH2SYF-15 BH2SYF-15 3.68km 76° 2025-12-10 11:27:33.842
BI2SC-9 BI2SC-9 4.84km 76° 2025-12-07 15:57:29.555
BG2XCF-9 BG2XCF-9 4.63km 64° 2026-02-27 09:31:11.393
BG2YF-9 BG2YF-9 5.33km 64° 2026-02-27 13:33:32.473
BG2YF-7 BG2YF-7 5.37km 64° 2026-02-01 18:29:13.578
BI2RBF-15 BI2RBF-15 11.40km 319° 2026-01-17 21:45:17.643
BH2WTV-1 BH2WTV-1 8.17km 314° 2026-01-12 20:10:23.631
BH2WTV BH2WTV 8.13km 314° 2026-02-10 18:42:17.051
BH2WIX-10 BH2WIX-10 7.22km 335° 2026-02-18 18:26:31.859
BG2XUJ-7 BG2XUJ-7 8.26km 340° 2026-01-25 08:53:32.901
BG2THZ-10 BG2THZ-10 5.04km 348° 2025-12-23 09:30:48.07
BH2WIX-9 BH2WIX-9 6.26km 357° 2026-02-20 10:32:28.972
BD2RUE-10 BD2RUE-10 6.67km 7° 2026-01-27 17:30:04.666
BD2RF-9 BD2RF-9 7.29km 355° 2026-02-27 11:18:27.434
BD2RJ-15 BD2RJ-15 8.37km 8° 2025-12-23 21:37:37.728
BG2VZP-7 BG2VZP-7 8.87km 2° 2026-02-27 16:20:30.869
BI2RYG-6 BI2RYG-6 9.18km 6° 2026-01-23 11:21:56.496
BG2YF-8 BG2YF-8 6.37km 36° 2025-12-10 12:29:35.275
BG2VZP-13 BG2VZP-13 6.62km 36° 2026-02-27 16:36:26.581
BG2RHE-9 BG2RHE-9 8.36km 37° 2025-11-30 19:37:00.245
BG2GNI BG2GNI 11.55km 4° 2026-02-23 17:20:02.855
BG2TAN-8 BG2TAN-8 10.14km 10° 2026-02-27 13:40:34.103
BG2TAN-N BG2TAN-N 10.16km 10° 2026-02-27 16:24:23.159
BG2TAN-6 BG2TAN-6 10.09km 11° 2026-01-11 12:37:05.452
BG2XCF-10 BG2XCF-10 11.21km 25° 2026-02-27 16:37:01.71
BG2WC BG2WC 12.51km 22° 2025-12-10 14:35:36.737
BD2RJ-6 BD2RJ-6 14.01km 15° 2025-12-05 10:29:30.33
BD2RJ-8 BD2RJ-8 14.39km 15° 2026-02-19 13:42:34.122
BD2RJ-7 BD2RJ-7 14.39km 15° 2025-12-25 22:51:32.626
BD2RJ-1 BD2RJ-1 14.54km 15° 2025-12-14 22:21:00.45
BH2TWG-9 BH2TWG-9 15.82km 12° 2026-02-12 11:01:39.287
BI2TE-9 BI2TE-9 28.87km 252° 2026-02-20 15:50:38.619
BG2XYW-3 BG2XYW-3 19.08km 240° 2026-01-10 21:41:58.86
BG2XYW-9 BG2XYW-9 18.56km 239° 2026-01-07 17:47:37.371
BG2RZJ-7 BG2RZJ-7 17.65km 241° 2025-12-06 09:57:18.042
BG2GNI-5 BG2GNI-5 13.29km 242° 2025-12-18 10:23:48.566
BH2SDC-9 BH2SDC-9 9.89km 221° 2026-02-27 16:37:47.737
BI2RVE-10 BI2RVE-10 9.57km 227° 2026-02-26 16:21:35.282
BI2RIR-3 BI2RIR-3 8.58km 221° 2025-12-17 19:07:12.052
BG2SFV BG2SFV 8.02km 221° 2025-12-12 10:12:04.577
BG2VJE-5 BG2VJE-5 7.29km 221° 2025-12-23 23:43:52.63
BI2RC-10 BI2RC-10 6.97km 226° 2026-02-27 15:39:20.796
BG2SFV-9 BG2SFV-9 6.24km 220° 2026-02-03 14:45:24.718
BG2WRH-1 BG2WRH-1 5.85km 144° 2026-01-09 17:44:58.871
BG2WRH BG2WRH 5.51km 145° 2026-02-15 19:12:47.641
BG2WRH-4 BG2WRH-4 5.90km 143° 2026-02-13 19:47:03.035
BG2RDZ-7 BG2RDZ-7 5.92km 142° 2026-01-05 18:43:58.2
BG2WRH-6 BG2WRH-6 5.93km 142° 2026-02-13 06:41:50.575
BG2WRH-8 BG2WRH-8 5.78km 142° 2025-12-19 05:43:33.347
BG2WRH-5 BG2WRH-5 6.13km 139° 2026-01-10 12:48:47.35
BH2TVR-7 BH2TVR-7 5.95km 112° 2026-02-26 17:22:02.638
BH3HHI-7 BH3HHI-7 5.94km 75° 2026-01-23 23:12:49.291
BD2QGR BD2QGR 7.41km 76° 2026-02-24 10:26:44.237
BH2UEZ-8 BH2UEZ-8 6.47km 59° 2025-12-15 13:35:11.046
BI2RBF-1 BI2RBF-1 8.01km 60° 2026-01-03 15:11:29.721
BG2WDO-10 BG2WDO-10 15.65km 32° 2026-02-23 12:50:11.277
BD2RUE-7 BD2RUE-7 17.81km 45° 2026-02-24 15:21:44.28
BG2WHR-9 BG2WHR-9 20.03km 48° 2025-12-25 10:54:46.165
BH2UFZ-7 BH2UFZ-7 19.92km 47° 2026-01-25 12:44:11.448
BH2XIY-15 BH2XIY-15 22.40km 52° 2026-02-06 20:55:51.056
BG2VKQ-5 BG2VKQ-5 23.68km 58° 2025-12-02 14:29:24.048
BH2WUX-3 BH2WUX-3 16.26km 24° 2026-02-14 20:08:20.941
BH1OFP-9 BH1OFP-9 20.57km 21° 2026-02-22 09:23:02.32
BH2WJP-Y BH2WJP-Y 23.26km 32° 2026-02-27 16:26:14.161
BH2XEE-9 BH2XEE-9 23.33km 31° 2026-02-23 14:50:17.296
BH2XEE BH2XEE 24.03km 33° 2026-01-10 06:52:04.781
BG2XUG-10 BG2XUG-10 25.52km 26° 2026-02-15 20:25:28.958
BA4QHC-9 BA4QHC-9 20.59km 45° 2026-02-26 09:30:13.123
BH2UFZ-12 BH2UFZ-12 20.72km 46° 2025-11-30 06:59:41.696
BH2XBA-3 BH2XBA-3 21.61km 47° 2026-01-17 19:24:27.512
BG2WHR-3 BG2WHR-3 22.32km 46° 2026-02-27 16:28:04.275
BH2XIY-1 BH2XIY-1 24.03km 50° 2026-02-22 21:00:53.866
BH2XIY-9 BH2XIY-9 24.08km 50° 2026-01-23 23:37:43.436
BH2XIY BH2XIY 24.05km 51° 2026-01-23 20:05:24.264
BG2XTY-7 BG2XTY-7 24.18km 46° 2026-02-13 14:20:43.198
BH2WRJ-2 BH2WRJ-2 24.83km 34° 2026-01-08 14:59:38.554
BH2QQ BH2QQ 27.11km 40° 2026-02-11 13:51:19.546
BG2XTY-9 BG2XTY-9 27.63km 47° 2025-12-27 14:28:41.561
BG2SKB-10 BG2SKB-10 26.00km 24° 2026-02-08 17:31:20.971
BI2SC-10 BI2SC-10 28.69km 54° 2026-02-27 16:31:01.979
BG2TPK BG2TPK