Assessing the potential of ionosonde for forecasting post-sunset equatorial spread F: an observational experiment in Southeast Asia

Earth, Planets and Space

Table 1 Performances of ionosonde at certain stations in predicting post-sunset equatorial spread F (ESF) occurrence in different stations

Combination	Longitudinal distance	Number of days	Performance
Combination	Longitudinal distance	Number of days	Accuracy	TSS
Single station	0°	2690	0.81	0.60
CPN–BCL	6.30°	169	0.68	0.36
BCL–CPN	− 6.30°	169	0.73	0.46
BCL–CEB	18.20°	274	0.74	0.44
CEB–BCL	− 18.20°	274	0.73	0.43
CEB–GUM	20.96°	242	0.80	0.57
GUM–CEB	− 20.96°	242	0.79	0.52
CPN–CEB	24.50°	248	0.67	0.33
CEB–CPN	− 24.50°	248	0.67	0.33
BCL–GUM	39.16°	271	0.71	0.27
GUM–BCL	− 39.16°	271	0.71	0.19
CPN–GUM	45.46°	160	0.69	0.35
GUM–CPN	− 45.46°	160	0.67	0.38