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SOTA - Activations

Here you find a list of all my SOTA activations

SOTA Zuletzt aktualisiert: 31. Mai 2018
Weiterlesen: SOTA - Activations

Cheat sheet for HamGadgets Ultra Picokeyer

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 :-)

Shack Zuletzt aktualisiert: 30. Mai 2018
Weiterlesen: Cheat sheet for HamGadgets Ultra Picokeyer

SOTA - DM/BW-078 - Römerstein

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. 

 

SOTA Zuletzt aktualisiert: 11. Mai 2018
Weiterlesen: SOTA - DM/BW-078 - Römerstein

SOTA - DM/BW-855 - Michelsberg

 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.

SOTA Zuletzt aktualisiert: 11. Mai 2018
Weiterlesen: SOTA - DM/BW-855 - Michelsberg

SOTA - DM/BW-659 - Kaltes Feld

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

SOTA Zuletzt aktualisiert: 06. Mai 2018
Weiterlesen: SOTA - DM/BW-659 - Kaltes Feld

RF Powermeter - Precision V2

As described here, I've build an RF Powermeter.

After aquiring an HF signal generator, a used HP 8647A, I started to do some testing regarding the precision of the RF powermeter.

RF Powermeter Zuletzt aktualisiert: 22. April 2018
Weiterlesen: RF Powermeter - Precision V2

Weather satellites reception - RTL-SDR optimization

FM bandstop

RF preamp

 

SDR Zuletzt aktualisiert: 10. Februar 2018
Weiterlesen: Weather satellites reception - RTL-SDR optimization

IoT - Setup Raspi 3 for nodeRED & InfluxDB

Logbook for basic setup of Raspberry Pi 3

IoT Internet of Things Zuletzt aktualisiert: 06. Januar 2018
Weiterlesen: IoT - Setup Raspi 3 for nodeRED & InfluxDB

IoT - ESP8266 & Arduino

01 01 2018 11 04 47

IoT Internet of Things Zuletzt aktualisiert: 04. Januar 2018

Weinschel 40dB fixed high power coaxial attenuator

I was able to get a used 40dB power attenuator from a fellow ham. It is a 250W version in a very good condition. The attenuator should be usable up to 6GHz.

Measuring Technology Zuletzt aktualisiert: 01. Dezember 2017
Weiterlesen: Weinschel 40dB fixed high power coaxial attenuator

Chinese DC-Block

I've bought a cheap chinese DC-block on eBay for my spectrum analyser.

Here some measurements using the miniVNAtiny with vna/J:

SMA DC Block Detailed

 

Measuring Technology Zuletzt aktualisiert: 17. November 2017

Huber&Suhner 30dB pad SMA

I've bought some 30dB SMA pads from Huber&Suhner. 

Here some measurements using the miniVNAtiny with vna/J:

HuberSuhnerSMA30dB Detailed

 

Measuring Technology Zuletzt aktualisiert: 17. November 2017

Computergesteuerte HF-Eichleitung

Ich habe von **** eine gebrauchte, schaltbare Eichleitung gekauft. Laut Aufschrift stammt sie von **RE Instruments** aus Jülich. Sie dürfe aus der Zeit vor der Jahrtausendwende stammen und ist wohl aus einem HF-Signalgenerator ausgebaut worden.

Measuring Technology Zuletzt aktualisiert: 04. November 2017
Weiterlesen: Computergesteuerte HF-Eichleitung

RF Powermeter - First steps

Based on the work of Makis, SV1AFN i've build a small, stand-alone power meter with a "nice" GUI. This is the second RF head I've received from Makis. Data about the first one can be found here. MainScreen

RF Powermeter Zuletzt aktualisiert: 01. November 2017
Weiterlesen: RF Powermeter - First steps

WSPR - last spots

Here you can find the last spots for DL2SBA on each band within the last day and the all time farest spots.

WSPR Zuletzt aktualisiert: 31. Oktober 2017
Weiterlesen: WSPR - last spots

KiwiSDR - configuration

Here I've collected some configuration stuff for my KiwiSDR.

SDR Zuletzt aktualisiert: 28. Oktober 2017
Weiterlesen: KiwiSDR - configuration

WSPR - WSPRlite

Today we had a meeting in our local amateur radio club ESSLINGEN P02.The topic for this meeting was WSPR.

Bernd DK9BH was the organizer of this meeting. He has ordered about 10 WSPRlites from SOTABEAMS. 

I had the chance, to do same basic measurements on one of the WSPRlite units.

WSPR Zuletzt aktualisiert: 15. Oktober 2017
Weiterlesen: WSPR - WSPRlite

Audio CW-Filter NM0S/4SQRP

Last year I've build the cheap Frog Sounds QRP Transceiver. This transceiver has a pretty basic audio section - a simple LM386 audio amplifier with some LC/RC filtering.

Shack Zuletzt aktualisiert: 07. Oktober 2017
Weiterlesen: Audio CW-Filter NM0S/4SQRP

KiwiSDR - first impressions

 

Here are the first pictures of my KiwiSDR setup ...

SDR Zuletzt aktualisiert: 01. Oktober 2017
Weiterlesen: KiwiSDR - first impressions

WSPR - Drift problems & new synthesizer board

I've build the original QRP-labs U3S from stock. Means the supplied crystal on the PLL-based synthesiser-board.

This configuration is basically working up to 20m with a lot amount of drift, but you will get many decodes on wsprnet.org. On 6m you can also get spots - once a day :-/

WSPR Zuletzt aktualisiert: 30. September 2017
Weiterlesen: WSPR - Drift problems & new synthesizer board
  1. WSRP - 2nd U3s finished
  2. KiwiSDR - Local SDR up and running
  3. Powermeter von DG7XO
  4. WSPR - QRP-Labs low pass filters
  5. WSPR - QRP-Labs U3S signal quality
  6. WSPR - QRP-Labs U3S
  7. WSPR - QRP-Labs U3S bad power supply
  8. RF Powermeter - Unstable reading - Reloaded
  9. hamware AT-515 Firmware
  10. hamware AT-502 Firmware - Erweiterung für 160m und 80m
  11. hamware AT-502 Firmware - Update CI-V Schnittstelle
  12. hamware AT-502 Firmware - IRB P02
  13. hamware AT-502 Firmware - K2+RUMLOG
  14. hamware AT-502 Firmware - Kenwood erweitert
  15. GPSDO - Distribution Amplifier
  16. GPSDO - Commandline interface
  17. GPSDO - Some Measurements
  18. GPSDO - GPS Disciplined Oscillator
  19. RF Powermeter - Firmware 1.8.0
  20. RF Powermeter - Firmware 1.7.2
  21. RF Powermeter - Unstable readings
  22. RF Powermeter - Firmware 1.7.1
  23. RF Powermeter - Firmware 1.5.0
  24. RF Powermeter - Adopted Nextion library
  25. RF Powermeter - Precision
  26. SOTA - Flight deck for KX3
  27. SOTA - DM/BW-094 - Kornberg
  28. SOTA - DM/BM-344 - Kleiner Kulm - My first activation is done
  29. SOTA - Working conditions
  30. Switch-mode DC-DC converter
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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