From: jl@glen--canyon.com   
      
   On Tue, 24 Feb 2026 16:00:53 +0100, "pez.-"    
   wrote:   
      
   >"A Conceptual Model for the Reflection Measurements of a Vector Network   
   >Analyzer System and its Practical Application" - Abstract - "We present   
   >the gradual building of our conceptual model for the reflection   
   >measurements of a VNA Vector Network Analyzer System. In this way, we   
   >reveal the fundamental idea behind this kind of measurements and prepare   
   >the studier for a deeper comprehension of this subject. Moreover, since   
   >this abstract model is exclusively based on technical specifications   
   >supplied by the manufacturers of system components, it is directly   
   >applicable in practice. To demonstrate this fact, we use a specific VNA   
   >System to compute and draw both the frequency dependent systematic error   
   >parameters of it and of the reflection coefficient and input impedance   
   >of a particular antenna we constructed and measured by using it." -   
   >Nikolitsa I. Yannopoulou and Petros E. Zimourtopoulos, Antennas Research   
   >Group, Austria, EU, www.op4.eu - FunkTechnikPlus # Journal, No 39,   
   >Saturday 31 January 2026, Year 13, pp 11-45   
   >   
   >DOWNLOAD PAPER PDF:   
   >https://www.ftpj.otoiser.org/papers/392AConceptualModelForTheRe   
   lectionMeasurementsOfAVectorNetworkAnalyzerSystemAndItsPracticalApplication.pdf   
   >DOWNLOAD ISSUE PDF:   
   >https://www.ftpj.otoiser.org/issues/html/ftpjissue39lo7532exportia1.htm   
   >ALL ISSUES:   
   >https://www.ftpj.otoiser.org/issues/index.htm   
   >FUNKTECHNIKPLUS # JOURNAL:   
   >https://www.ftpj.otoiser.org/   
      
   We got a 6 GHz nanoVNA from Amazon recently. $300.   
      
   It seemed to be pretty simple.   
      
      
      
   John Larkin   
   Highland Tech Glen Canyon Design Center   
   Lunatic Fringe Electronics   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)