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.
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- Kategorie: Measuring Technology
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:
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- Kategorie: Measuring Technology
Huber&Suhner 30dB pad SMA
I've bought some 30dB SMA pads from Huber&Suhner.
Here some measurements using the miniVNAtiny with vna/J:
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- Kategorie: Measuring Technology
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.
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- Kategorie: Measuring Technology
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. 
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- Kategorie: RF Powermeter
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.
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- Kategorie: WSPR
KiwiSDR - configuration
Here I've collected some configuration stuff for my KiwiSDR.
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- Kategorie: SDR
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.
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- Kategorie: WSPR
2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.
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© 2021 Dietmar Krause, DL2SBA