Welcome to the PA3A pages It's about hamradio, measurements with nanoVNA, antennas, EZNEC, etc. PA3A is the radio callsign of Arie Kleingeld. DSP and SDRnanoVNA, Contesting and other articles Home PA3A PA3A PA3A PA3A Blog QSO PA3A Morse leren DXpeditions Articles & Workshops DSP and SDR DSP and SDR GNU Radio QT GUI Frequency Sink GNU Radio Frequency Xlating FIR Filter GNU Radio FFT Filter GNU Radio Interpolating FIR Filter GNU Radio Rational Resampler GNU Radio Hilbert Block Antenna design with EZNEC Projects 4Square-Array for the 30m Band Elecraft K3 Kit Build Building the Elecraft KPA500 as a kit Building the Elecraft KAT500 as a kit Contact
