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KIT for High Altitude Balloon project "Touch the Uiverse" - https://dotknisevesmiru.cz/
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Low Noise Amplifier for 144 MHz band with PGA-103, input low pass filter, output band pass filter and bypass relays.
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Logic switch box for multi-single contest station (2 operators, 2 radios and 1 transmit signal out)
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Pico High Altitude Balloon WSPR Tracker v7.0
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The Simple WSPR receiver shield for NaniPI-NEO for HF amateur radio bands.
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The project about Antenna VHF Switch 4-port RX with integrated sequencer and power supply distribution for LNA and coaxial relay.
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Project of simple board for training soldering and assembling components
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The Project for automatic receive for HAB on 434 MHz band
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2020 COVID-19 consipracy themed decoration, complete with programmable RGB
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Low Noise Amplifier for 144 MHz band with couple PGA-103 and band filters.
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The Coaxial Relay project for my Low Power VHF HamRadio station with SMA connector for RX
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Low Noise Amplifier with PGA-103+ with ultra low noise LDO to 5V DC supply.
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Low Noise Amplifier with QPL9547 with ultra low noise LDO to 5V DC supply.
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The Project digiratl controled RF Attnuator with Minicircuit chip DAT-31-PP.
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The Project of universal band pass filter for SMT filters SXBP series by MiniCircuit
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QRP Band Pass Filter for amateur radio band.
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Low Noise Amplifier with QPL9547 with ultra low noise LDO to 5V DC supply and short-circuit relay on the input.
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The project Small coaxial relay mainly intended for switching RX/TX way from one ant connector radio on VHF bands. The relay can use HF6 or HF3 (-56).
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Cheap Automatic Noise Figure Indicator using a USB SDR dongle
