I have some stuff for sale. Please contact me by Diese E-Mail-Adresse ist vor Spambots geschützt! Zur Anzeige muss JavaScript eingeschaltet sein! if you're interested. Prices are negotiable.

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Kategorie: For sale / Zu verkaufen

Here you can find the latest NOAA satellite pictures received at JN48OQ

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Kategorie: Allgemein

My previously used pre-amplifier (the one in front of the final PA) only delivers a gain of abt. 9dB @2.4GHz. This was far too less for my final PA used.

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Kategorie: Satellite

I found a very interesting air quality sensor board from the Germany company OhmTech on Tindy. One of this magic Bosch Sensortec sensor - the BME680 - is used in conjunction with an STM032F72 microcontroller to give a neat "USB-sensor-stick":

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Kategorie: IoT Internet of Things

My current setup to operate ES'hail & QO-100.

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Kategorie: Satellite

Here are some impressions on contest I've participated over the last years ...

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Kategorie: Contest

Intro

tbd

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Kategorie: GPSDO

To protect the fragile LimeSDR mini PCB I placed the SDR inside an aluminium case.

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Kategorie: Satellite

Introduction

tbd

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Kategorie: Satellite

  1. Es'hail - WLAN Grid antenna
  2. JackYack - simple memory morse keyer
  3. SSTV from ISS during February 2019
  4. Docker@Syno::InfluxDB
  5. Raspberry Pi Logbook
  6. Setting up mail on an RPi to an SMTP host
  7. Weather satellites reception - first steps on Linux
  8. IoT - NodeRED - Backup
  9. IoT - Grafana - first steps
  10. IoT - InfluxDB - first steps
  11. IoT - InfluxDB - Setup
  12. IoT - NodeRED - Setup
  13. IoT - InfluxDB - Backup
  14. IoT - InfluxDB - Restore
  15. hamware - FTDX-5000 Unterstützung
  16. KiwiSDR - technical details
  17. WIMO Diplexer #22030 - 2m/70cm 100W
  18. ArrowAntennas 146/437-10BP - first measurements
  19. SOTA - Activations
  20. QRPGuys 40m-10m UnUnTenna Plus
  21. QRPGuys Tri-Band Vertical Antenna
  22. Cheat sheet for HamGadgets Ultra Picokeyer
  23. RF Powermeter - Firmware 1.9.0
  24. SOTA - DM/BW-078 - Römerstein
  25. SOTA - DM/BW-855 - Michelsberg
  26. SOTA - DM/BW-659 - Kaltes Feld
  27. RF Powermeter - Precision V2
  28. Weather satellites reception - RTL-SDR optimization
  29. IoT - Setup Raspi 3 for nodeRED & InfluxDB
  30. IoT - ESP8266 & Arduino

2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.

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