Simultaneous observations of transionospheric and HF ionospheric propagation within the polar cap

被引：4

作者：

Siddle, D. R. ^{[1
]}

Stocker, A. J. ^{[1
]}

Warrington, E. M. ^{[1
]}

Zaalov, N. Y. ^{[2
]}

Homam, M. J. ^{[3
]}

机构：

[1] Univ Leicester, Dept Engn, Leicester LE1 7RH, Leics, England

[2] St Petersburg State Univ, Dept Radio Phys, St Petersburg 199034, Russia

[3] Univ Tun Hussein Onn Malaysia, Fak Kejuruteraan Elekt & Elekt, Johor Baharu, Malaysia

来源：

RADIO SCIENCE | 2013年 / 48卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

polar cap ionosphere; HF propagation; radio propagation at high latitudes; DIRECTION-OF-ARRIVAL; MIDLATITUDE TROUGH; BEARING ERRORS; SIGNALS; PATHS; DYNAMICS; PATCHES; FLIGHT;

D O I：

10.1002/rds.20062

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The total electron content of the ionosphere over Alert, Canada was measured continuously for over 3years using a dual frequency GPS receiver. Peaks in the measured total electron content are attributed to the presence of convecting polar patches (patches of enhanced ionization), which increase in number and intensity with increasing sunspot number, peaking in October to November 2011. In addition, HF radio transmissions were made at frequencies between 4 and 14 MHz over a path from Qaanaaq, Greenland to Ny-Alesund, Svalbard and several examples are presented in which features in the received signals are visible by these two means almost simultaneously. The reception of the higher-frequency transmissions is shown to be dependent on the presence of polar patches.

引用

页码：564 / 572

页数：9

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