Daun, Tom, and all, At the MVUS Saturday Aug 12 picnic, could a Vector Network Analyzer be checked to see how well it works? It’s a PocketVNA, a small 2-port unit with sma connectors that I recently purchased for about $430 from Germany. It works with a USB cable. See http://pocketvna.com <http://pocketvna.com/> . I use it with my desk iMac (don’t have a laptop for the software). The software does not require any drivers, and the program is on their website. I'm hoping to get this working on a Raspberry Pi with a small touch-screen for portable use. Looking forward to the picnic. Joe - WA8OGS PocketVNA Specifications: VNA hardware version 2.0 (Released Feb 2017) 2-port Vector Network Analyzer Measure reflection and transmission coefficients (S11, S21) - magnitude and phase Frequency range: 500 kHz to 4 GHz; Measurements outside this region might be possible but are not guaranteed. Contact us <mailto:info@pocketVNA.com> if you would like to measure in a particular frequency range. Dynamic range (typically): @350 MHz up to 70 dB (System dynamic range); @4 GHz up to 40 dB (System dynamic range) Output power -14 dBm at 100MHz Impedance from 3 to 1000 Ohms Measurement speed: about 10 ms per step plus communication (for example a 1001 points scan takes 12 seconds) Number of steps: 1 to 10001 Frequency setting resolution: 1 Hz Software features: Available for Windows, MacOS and Linux OSL calibration functionality Time domain measurements (DTF) Plot S-Parameter, Impedance, Phase, Resistance, Reactance, VSWR Plot in Smith chart Export in Excel, Touchstone