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Contesting

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

Contest Zuletzt aktualisiert: 05. Mai 2019
Weiterlesen: Contesting

Bodnar GPSDO - 10MHz Low-Pass Filer

Intro

tbd

GPSDO Zuletzt aktualisiert: 28. April 2019
Weiterlesen: Bodnar GPSDO - 10MHz Low-Pass Filer

LimeSDR - Housing

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

Satellite Zuletzt aktualisiert: 14. April 2019
Weiterlesen: LimeSDR - Housing

LimeSDR - Measurements

Introduction

tbd

Satellite Zuletzt aktualisiert: 14. April 2019
Weiterlesen: LimeSDR - Measurements

JackYack - simple memory morse keyer

My Mosquita got a new housing as described in this post. As you can see, there is still enough room for a memory morse keyer.

Transceiver Zuletzt aktualisiert: 23. Februar 2019
Weiterlesen: JackYack - simple memory morse keyer

SSTV from ISS during February 2019

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.

Satellite Zuletzt aktualisiert: 17. Februar 2019
Weiterlesen: SSTV from ISS during February 2019

Docker@Syno::InfluxDB

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

Synology Zuletzt aktualisiert: 31. Dezember 2018
Weiterlesen: Docker@Syno::InfluxDB

Raspberry Pi Logbook

Logbook

Raspberry Pi Zuletzt aktualisiert: 30. Dezember 2018
Weiterlesen: Raspberry Pi Logbook

Setting up mail on an RPi to an SMTP host

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

Raspberry Pi Zuletzt aktualisiert: 02. Dezember 2018
Weiterlesen: Setting up mail on an RPi to an SMTP host

Weather satellites reception - first steps on Linux

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

SDR Zuletzt aktualisiert: 12. November 2018
Weiterlesen: Weather satellites reception - first steps on Linux

IoT - NodeRED - Backup

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

IoT Internet of Things Zuletzt aktualisiert: 27. Oktober 2018
Weiterlesen: IoT - NodeRED - Backup

IoT - Grafana - first steps

Initial steps to setup Grafana on Raspberry3 Debian Strech

 

IoT Internet of Things Zuletzt aktualisiert: 27. Oktober 2018
Weiterlesen: IoT - Grafana - first steps

IoT - InfluxDB - first steps

Data aggregation

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

IoT Internet of Things Zuletzt aktualisiert: 27. Oktober 2018
Weiterlesen: IoT - InfluxDB - first steps

IoT - InfluxDB - Setup

Logbook for basic setup of InfluxDB 1.02 on Raspberry Pi 3

IoT Internet of Things Zuletzt aktualisiert: 27. Oktober 2018
Weiterlesen: IoT - InfluxDB - Setup

IoT - NodeRED - Setup

Logbook for basic setup of NodeRED on Raspberry Pi 3 

IoT Internet of Things Zuletzt aktualisiert: 27. Oktober 2018
Weiterlesen: IoT - NodeRED - Setup

IoT - InfluxDB - Backup

Simple full backup IOT database

IoT Internet of Things Zuletzt aktualisiert: 21. Oktober 2018
Weiterlesen: IoT - InfluxDB - Backup

IoT - InfluxDB - Restore

Simple full restore IOT database

IoT Internet of Things Zuletzt aktualisiert: 21. Oktober 2018
Weiterlesen: IoT - InfluxDB - Restore

KiwiSDR - technical details

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

SDR Zuletzt aktualisiert: 04. August 2018
Weiterlesen: KiwiSDR - technical details

WIMO Diplexer #22030 - 2m/70cm 100W

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

Antennen Zuletzt aktualisiert: 05. Juni 2018
Weiterlesen: WIMO Diplexer #22030 - 2m/70cm 100W

ArrowAntennas 146/437-10BP - first measurements

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.

Antennen Zuletzt aktualisiert: 03. Juni 2018
Weiterlesen: ArrowAntennas 146/437-10BP - first measurements
  1. SOTA - Activations
  2. Cheat sheet for HamGadgets Ultra Picokeyer
  3. SOTA - DM/BW-078 - Römerstein
  4. SOTA - DM/BW-855 - Michelsberg
  5. SOTA - DM/BW-659 - Kaltes Feld
  6. RF Powermeter - Precision V2
  7. Weather satellites reception - RTL-SDR optimization
  8. IoT - Setup Raspi 3 for nodeRED & InfluxDB
  9. IoT - ESP8266 & Arduino
  10. Weinschel 40dB fixed high power coaxial attenuator
  11. Chinese DC-Block
  12. Huber&Suhner 30dB pad SMA
  13. Computergesteuerte HF-Eichleitung
  14. RF Powermeter - First steps
  15. WSPR - last spots
  16. KiwiSDR - configuration
  17. WSPR - WSPRlite
  18. Audio CW-Filter NM0S/4SQRP
  19. KiwiSDR - first impressions
  20. WSPR - Drift problems & new synthesizer board
  21. WSRP - 2nd U3s finished
  22. KiwiSDR - Local SDR up and running
  23. Powermeter von DG7XO
  24. WSPR - QRP-Labs low pass filters
  25. WSPR - QRP-Labs U3S signal quality
  26. WSPR - QRP-Labs U3S
  27. WSPR - QRP-Labs U3S bad power supply
  28. RF Powermeter - Unstable reading - Reloaded
  29. hamware AT-515 Firmware
  30. hamware AT-502 Firmware - Erweiterung für 160m und 80m
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DL2SBA
  • Home
  • CNC
    • MF70
    • Projekte
    • WinPCNC
  • Computer
    • Apple Mac
    • Arduino
    • IoT Internet of Things
    • Microcontroller
    • Raspberry Pi
    • Synology
    • Video
  • Electronics
    • Layouts
    • Measuring Technology
      • GPSDO
      • RF Powermeter
    • Power Supply
    • Tools
  • Ham-Radio
    • About
    • Antennas
    • Contest
    • hamware
    • QRP
    • Satellites
    • SDR
    • SDXG
    • Shack
    • SOTA - Summits on the Air
    • Transceiver
    • Various
    • vna/J
    • WSPR
  • Nature
    • Erdbeben
    • Wandern
  • For sale
  • NOAA
  • SDR