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Beacon Reception at JN1SDD by SoftRock, Octave and Raspberry Pi

Reception of the IARU/NCDXF International Beacon Project beacons.

A photo of Raspberry Pi running the monitor

Currently migrating the project to run on Raspberry Pi. Due to the porting activity, the system may stop without any notice. (Aug. 18, 2014)

News: Tobias Wellnitz (DH1TW) has kindly introduced my beacon monitor in his web site (or blog). Thank you, Tobias! (Jun. 4, 2010)

Location: Kanagawa pref., Japan. PM95rm, Lat. 35°30' N, Long. 139°25' E

Antenna: 5 meters horizontal wire at 8 meters high. No antenna tuner, coupler or preamp. Maintains one meter distance from a ferroconcrete building (25 meters high).

Receiver: SoftRock v9.0 Lite+USB Xtall with Electronically Switched v9.0 HF BPF. (photo)

Sound Card: Behringer UCA202 (TI PCM2902). Using 2 channels (I/Q) at 16 kHz sampling rate.

Monitoring System: Original design written from scratch. Implemented by GNU Octave running on Raspberry Pi Type B (700 MHz ARM1176JZF-S core).

Other Beacon Monitoring web pages are linked from the International Beacon Project Monitors site. This monitoring site is strongly inspired by Faros the great software which was written by Alex Shovkoplyas, VE3NEA and also using the original representation by Peter Ralph Jennings, VE3SUN. Thank you very much.

Locations of visitors to this page HF Propagation and Solar-Terrestrial Data Website

S/N [dB] and Probability

Frequency Bias [ppm]

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