Ranges of LW broadcasting station

Author

Bem, D.J. ; Krzysztofik, Wojciech J. ; Kucharski, A.A. ; Wieckowski, T.W.

Author_Institution

Inst. of Telecommun. & Acoust., Wroclaw Univ., Poland

Volume

2

fYear

1998

fDate

18-20 May 1998

Firstpage

802

Abstract

This paper presents some results of theoretical investigations relating to the LW high-power broadcasting station in Poland. To prepare the background for reconstruction of the transmitting antenna it was vital to carry out thorough theoretical analysis of different antenna geometries, a variety of feeding methods (e.g. base-fed, shunt-fed, folded dipole, etc.), new ideas for mast insulation, as well as far-field ranges estimation, and determination of the near-field distribution (radiation hazard-zones). The broadcasting station under reconstruction is going to transmit AM-DCC (dynamic carrier control) signals at frequency 225 kHz of supplied RF-power equal to 1000 kW. To satisfy full coverage of Polish territory by a single station we propose to equip it with the directional transmitting antenna arranged as the two-mast array

Keywords

antenna radiation patterns; broadcast antennas; directive antennas; monopole antenna arrays; radio broadcasting; transmitting antennas; 1000 kW; 225 kHz; AM-DCC; LW broadcasting station; Poland; RF-power; directional transmitting antenna; dynamic carrier control signals; far-field ranges estimation; feeding methods; high-power broadcasting station; long wave; mast insulation; near-field distribution; transmitting antenna; two-mast array; Antenna feeds; Antenna theory; Broadcasting; Dipole antennas; Directive antennas; Frequency; Geometry; Insulation; Near-field radiation pattern; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrotechnical Conference, 1998. MELECON 98., 9th Mediterranean

Conference_Location

Tel-Aviv

Print_ISBN

0-7803-3879-0

Type

conf

DOI

10.1109/MELCON.1998.699335

Filename

699335