106 



OCEAN ATMOSPHERIC -ELECTRIC RESULTS 



Table 2. Diurnal -variation measurements of atmospheric-electric elements- -Continued 



August 24-25, 1928. Latitude 15.°5 N; Longitude 321.°9 E 



GMT 

 h 



LMT 

 h 



P0t'l7 



grad. 

 V/m 



Con- 

 duc- 

 tivity 



in 

 10-4 

 esu 



Small 

 ions 

 per 

 cc 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



Nu- 

 clei 

 per 

 cc 



Air- 

 earth 

 current 

 density 



in 

 10-7esu 



15.3 



16.3 



17.1 



18.1 



19.3 



20.3 



21.1 



22.1 



23.3 



0.1 



1.1 



2.1 



3.2 



4.1 



5.2 



6.3 



7.2 



8.1 



9.1 



10.2 



11.2 



12.2 



13.1 



14.0 



12.8 



13.7 



14.6 



15.6 



16.8 



17.8 



18.6 



19.6 



20.6 



21.5 



22.6 



23.6 



0.6 



1.6 



2.7 



3.8 



4.6 



5.6 



6.6 



7.6 



8.6 



9.6 



10.6 



11.5 



56 

 64 

 73 

 81 

 90 

 85 

 88 

 89 

 78 

 76 

 71 

 64 

 66 

 68 

 71 

 74 

 72 

 78 

 81 

 74 

 70 

 72 

 78 

 80 



0.91 

 0.94 

 0.89 

 1.00 

 0.81 

 0.83 

 0.84 

 0.80 

 0.85 

 0.87 

 0.86 

 0.87 

 0.<?^ 

 0.88 

 0.81 

 0.85 

 0.79 

 0.73 

 0.72 

 0.73 

 0.94 

 0.82 

 0.91 

 0.85 



499 

 548 

 470 

 460 

 415 

 420 

 531 

 438 

 467 

 463 

 450 

 474 

 515 

 378 

 465 

 471 

 391 

 450 

 406 

 443 

 478 

 355 

 416 

 425 



1.27 



1.19 



1.31 730 



1.51 530 



1.35 



1.37 



1.10 2560 



1.27 590 



1.26 



1.30 730 



1.33 



1.27 620 

 1.21 890 

 1.62 520 



1.21 



1.25 



1.40 



1.13 480 

 1.23 



1.14 870 



1.36 600 

 1.60 640 



1.52 530 

 1.39 



3.6 

 4.2 

 4.6 



5.0 

 4.6 

 4.6 

 4.3 

 3.9 

 4.2 

 4.2 

 4.0 

 4.4 

 4.0 

 4.0 

 4.1 

 3.8 

 4.6 

 4.1 

 5.0 

 4.7 



September 13-14, 1928. Latitude 13°2 N; Longitude 306° 7 E 



GMT 



h 



LMT 

 h 



Pot'lT 

 grad. 

 V/m 



Con- 

 duc- 

 tivity 



in 

 10-4 

 esu 



Small 

 ions 

 per 

 cc 



Mobil- 

 ity 

 cm/s 

 per 

 v/cm 



Nu- 

 clei 

 per 

 cc 



Air- 

 earth 

 current 

 density 



in 

 lO-'^esu 



Temp, range: 28.9-26.0 °C. Rel. hum. range: 73-93 per cent. 



Wind: SE to NE, 1-2. Visibility: 3. 



Clouds: ci-cu-stcu-cunb, 1-8. Shower 4. 3h-4.4h GMT. 



September 5-6, 1928. Latitude 11?6 N; Longitude 318.°2 E 



15.5 



16.5 



17.5 



18.5 



19.5 



20.5 



21.5 



22.6 



23.5 



0.5 



1.5 



2.5 



3.5 



4.5 



5.5 



6.5 



7.5 



8.5 



9.5 



10.6 



11.5 



12.5 



13.5 



14.4 



11.9 



12.9 



14.0 



15.0 



16.0 



16.9 



18.0 



19.0 



20.0 



20.9 



22.0 



23.0 



23.9 



0.9 



1.9 



3.0 



4.0 



5.0 



5.9 



7.0 



8.0 



8.9 



9.9 



10.9 



117 

 117 

 107 

 129 

 146 

 147 

 132 

 146 

 120 

 120 

 119 

 120 

 117 

 120 

 124 

 120 

 134 

 120 

 120 

 120 

 104 

 104 

 108 

 129 



X. 

 0.99 

 0.99 

 1.01 

 0.94 

 0.90 

 0.91 

 0.95 

 0.89 

 0.94 

 0.95 

 0.92 

 0.93 

 0.98 

 0.99 

 0.91 

 0.95 

 0.89 

 0.96 

 0.97 

 0.99 

 1.04 

 1.03 

 0.97 

 0.99 



476 

 450 

 457 

 432 

 409 

 480 

 455 

 431 

 435 

 448 

 441 

 424 

 471 

 454 

 396 

 478 

 437 

 433 

 468 

 538 

 552 

 537 

 550 

 535 



1.44 

 1.53 

 1.53 

 1.51 

 1.53 

 1.32 

 1.45 

 1.43 

 1.50 

 1.47 

 1.45 

 1.52 

 1.44 

 1.51 

 1.60 

 1.38 

 1.41 

 1.54 

 1.44 

 1.28 

 1.31 

 1.33 

 1.22 

 1.28 



8.1 

 8.1 

 7.6 

 8.5 

 9.2 

 9.4 

 8.8 

 9.1 

 7.9 

 8.0 

 7.7 

 7.8 

 8.0 

 8.3 

 7.9 

 8.0 

 8.3 

 8.1 

 8.2 

 8.3 

 7.6 

 7.5 

 7.3 

 6.9 



November 13-14, 1928. Latitude If 6 S; Longitude 266?3 E 



Temp. range: 21.1-18.0°C. Rel. hum. range: 72-83 per cent. 

 Wind: SE to SSE, 1-3, except first four hours calm. 

 Clouds: ast-cu-cunb-nb, 10, except last three hours frcu- 

 stcu, 1-7. Visibility: 3. Drizzling 23. 5h, 0.2h, 1.4h GMT. 



