In present paper, we give a description of the observational instruments and circumstances. On the basis of statistical analyses of the observed data, whistler types, occurrence and dispersion characteristics of whistlers are described.

• 本文首先对观测设备作了介绍,在对观测资料进行统计分析的基础上就哨声类型、发生率、色散特征等作了描述,然后重点对磁暴期间两天的哨声活动作了较细致的分析,并由此推求出其传播途径上的电子浓度变化。