Skip to content

John's Geekblog

Notebook of Time and Frequency Experiments

  • Site Info: What’s All This, Then?
X
Type to search
  • Home
  • General

General

Ham Radio/SDR/SDR/Test and Lab Equipment/Uncategorized Hermes/HPSDR/SDR/TAPR August 11, 2017August 31, 2017

Hermes SDR as spectrum analyzer

I was fussing about signal generator output accuracy because I wanted to calibrate my HPSDR Hermes software defined radio ("SDR") so that I could calculate the absolute power input in dBm, assuming a 50 ohm load impedance) based on the…

CONTINUE READING
General September 6, 2015November 22, 2015

John’s New Geekblog

I've intermittently had a blog running at febo.com for years now.  I used it mainly as a logbook of experiments, and it wasn't intended to be entertaining for visitors.  I recently discovered that the blogging engine I used was hopelessly…

CONTINUE READING

Recent Posts

  • Anan7000/HPSDR and Icom IC-7300 S-Meter Calibration
  • HP 5061B-004 Cesium Standard
  • HP 5065A Rb Standard
  • HP 5061A Frequency Offset
  • OSA 8607-008 baseline frequency measurement

Recent Comments

  • Steve K2GOG on Thoughts on a Wideband SDR Recording Tool
  • n8ur on Add streaming audio to OP25 RPi scanner
  • NewHam on Add streaming audio to OP25 RPi scanner
  • n8ur on $20 P25 Trunking Scanner (Part 3)
  • Dor on $20 P25 Trunking Scanner (Part 3)

Archives

  • February 2019
  • November 2018
  • October 2018
  • March 2018
  • February 2018
  • January 2018
  • November 2017
  • September 2017
  • August 2017
  • June 2017
  • February 2017
  • October 2016
  • February 2016
  • January 2016
  • November 2015
  • October 2015
  • September 2015

Categories

  • General
  • Ham Radio
  • Rapsberry Pi
  • Red Pitaya
  • SDR
  • SDR
  • Solar Eclipse
  • TAPR Projects
  • Test and Lab Equipment
  • Time and Frequency
  • Uncategorized

Meta

  • Log in
  • Entries RSS
  • Comments RSS
  • WordPress.org

  Theme of Theme404