s-taka.org
Satoshi Takahashi, Hiroshima City University
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July 2019
Diagnostics of USB-C cables
Presentation at conference of IEICE Technical Committee of Communication Systems
June 2019
Dual frequency RTK reference station
Use of Emlid Reach observation data with RTKLIB
May 2019
Invited talk at technical committee of IEICE Communication Quality
First trial of CLAS positioning of QZSS
Participation of annual conference of the Institute of Positioning, Navigation and Timing in Japan (IPNTJ)
March 2019
Trial of receiving DRM broadcasting in Japan (failure)
Febrary 2019
Configuration of GNSS module ZED-F9P with u-center
First trial of Yamaha HEARTalk UU-002
January 2019
Surface mount version of LoRa wireless communication module ES920LR
Purchase of the latest dual frequency GNSS positioning module u-blox ZED-F9P board
December 2018
Rental of "Michibiki" compatible receiver from Quasi-Zenith Satellite System Service Co., Ltd.
November 2018
First trial of realtime delivery of MADOCA product
First trial of LTE-M communication carrier type LPWA
Reception of one-segment broadcasting with GNU Radio and gr-isdbt on VirtualBox with vagrant
Trial of measurement of temperature, humidity, air pressure, and acceralations with Sigfox Una Shiled V2S
October 2018
Dual frequency positioning of Chinese smartphone Xiaomi Mi8 with Android GNSS Analysis Tool
September 2018
Trial of next-generation nonvolatile memory FeRAM
Trial of M5Stack with ESP32
Trial of Spresense, a Sony's board microcomputer
Trial of python with Arty Z7, an FPGA board
Radiowave sensing with KiwiSDR
Trial of machine vision with OpenMV
August 2018
Experiment on blockchain with temperature and humidity data
Let's try RTK of several centimeter order positioning with an internet-connected PC
How to make an RTK reference station
Deep Sleep Mode on ESP-WROOM-32
GRUB trouble on Linux after partition movement
Use of Sigfox with Una Shiled V2S
Panorama photo of RTK reference station at Hiroshima City University (available from PC only)
July 2018
Raspberry Pi Zero WH with cellular network connection
Trouble in RTK reference station
Presentation at ICTF 2018 in Graz, Austria
Noise sensing with RF Explorer
June 2018
Lecture at Hiroshima version IoT Lightning Talk (IoTLT Hiroshima) Vol.9
Temperature, humidity, and lightning sensor experiments
March 2018
Lecture and demonstration at Wireless IoT Seminar in Hiroshima
January 2018
Placement of RTK reference station
November 2016
Lab travel in Miyajima
October 2016
Radio experiment in Ujina port of Hiroshima