A method to calibrate HF receiving antenna arrays Some experimental results obtained with a circular (homogeneous or heterogeneous) array and collocated antennas arrays are presented.M. Oger... M Oger,F Marie,D Lemur,... 被引量: 0发表: 2006年 HF direction finding with a vertical array of co...
Shipboard radio direction finder calibration studies were begun before World War II using the simple loop DF antenna. A number of procedures and formats for shipboard calibration are reviewed, and automatic calibrator equipments are described which reduce the effort required for a DF installation....
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On August 25, 2022 I was given the opportunity to connect AIS-catcher for a few minutes to the antenna system at the Meteotoren which has a consistently high message rate and availability on MarineTraffic. We ran AIS-catcher on a laptop for 60 seconds and counted the number of messages fo...
and a monitoring device configured sets of detection apparatus, direction finding and technical control in an amount of not less than two and outputs to the communication channel, wherein each of the sets comprises a switch, a highly stable reference oscillator, a receiver, two analog-to-digital...
[-gu SOAPYSDR: DEVICE [string] GAIN [string] AGC [on/off] STREAM [string] SETTING [string] CH [0+] PROBE [on/off] ANTENNA [string] ] [-gw WAV file: FILE [filename] ] [-gy SPYSERVER: HOST [address] PORT [port] GAIN [0-50] ] ...
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