Here some pictures of the recent SSTV transmission from ISS. They are received using a cheap SDR stick and the NOAA antenna from WIMO under the roof abt. 7m above ground. Decoding is done using MMSSTV.

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Kategorie: Satellite

Santa brought me a new Synology Ds218+ NAS :-)

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Kategorie: Synology

Logbook

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Kategorie: Raspberry Pi

Here a short description how I set up my RPi to send mail, usually sent to the users mbox to an SMTP server.

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Kategorie: Raspberry Pi

Some years ago I had wxtoimg running on a Windows machine and receiving NOAA images automatically with an analogue receiver.

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Kategorie: SDR

According to node-red cookbook all files in the .node-red subdirectory should be backuped - except files in "node-modules" sub-directory:

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Kategorie: IoT Internet of Things

Initial steps to setup Grafana on Raspberry3 Debian Strech

 

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Kategorie: IoT Internet of Things

Data aggregation

Here the first step to automated data aggregation of sensor data ...

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Kategorie: IoT Internet of Things

Logbook for basic setup of InfluxDB 1.02 on Raspberry Pi 3

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Kategorie: IoT Internet of Things

Logbook for basic setup of NodeRED on Raspberry Pi 3 

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Kategorie: IoT Internet of Things

Simple full backup IOT database

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Kategorie: IoT Internet of Things

Simple full restore IOT database

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Kategorie: IoT Internet of Things

Here are some technical details for my KiwiSDR setup ...

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Kategorie: SDR

As a logical follow on I opted for a separate Diplexer for my Arrow antenna. I've choosen the WIMO Diplexer #22030.

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Kategorie: Antennen

The HAM RADIO 2018 in Friedrichshafen brought me a new antenna - the Arrow Antennas 146/437-10BP - I plan to use it for SOTA work as well as for working some amateur radio satellites.

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Kategorie: Antennen

Here you find a list of all my SOTA activations

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Kategorie: SOTA

I've made a simple cheat sheet for my HamGadgets Ultra Picokeyer because it is hard to remember the various key sequences and abbreviations in the menu mode :-)

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Kategorie: Shack

Our third SOTA activation for 2018 is done. Monika (DL6SCF), our daugther Lisa and I activated the Römerstein DM/BW-078. Beautiful weather, a little bit overcast and not too warm. The CONDX where better than last sunday. 

 

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Kategorie: SOTA

 Our second SOTA activation for 2018 is done. Monika (DL6SCF) and I activated the "Michelsberg" DM/BW-855. Beautiful weather - very sunny but not too warm. The CONDX where horrible. Deep QSB from S0 up to S9 from Spain und into the UK - very frustrating.

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Kategorie: SOTA

 The first SOTA activation for 2018 is done. Monika (DL6SCF) and I activated the "Kaltes Feld" DM/BW-659. 

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Kategorie: SOTA

  1. RF Powermeter - Precision V2
  2. Weather satellites reception - RTL-SDR optimization
  3. IoT - Setup Raspi 3 for nodeRED & InfluxDB
  4. IoT - ESP8266 & Arduino
  5. Weinschel 40dB fixed high power coaxial attenuator
  6. Chinese DC-Block
  7. Huber&Suhner 30dB pad SMA
  8. Computergesteuerte HF-Eichleitung
  9. RF Powermeter - First steps
  10. WSPR - last spots
  11. KiwiSDR - configuration
  12. WSPR - WSPRlite
  13. Audio CW-Filter NM0S/4SQRP
  14. KiwiSDR - first impressions
  15. WSPR - Drift problems & new synthesizer board
  16. WSRP - 2nd U3s finished
  17. KiwiSDR - Local SDR up and running
  18. Powermeter von DG7XO
  19. WSPR - QRP-Labs low pass filters
  20. WSPR - QRP-Labs U3S signal quality
  21. WSPR - QRP-Labs U3S
  22. WSPR - QRP-Labs U3S bad power supply
  23. RF Powermeter - Unstable reading - Reloaded
  24. hamware AT-515 Firmware
  25. hamware AT-615B Firmware
  26. hamware AT-502 Firmware - Erweiterung für 160m und 80m
  27. hamware AT-502 Firmware - Update CI-V Schnittstelle
  28. hamware AT-502 Firmware - IRB P02
  29. hamware AT-502 Firmware - K2+RUMLOG
  30. hamware AT-502 Firmware - Kenwood erweitert

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

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