HF PA "NEON 1000"

HF PA “NEON 1000”

Home made HF PA 1kW “Neon 1000” from 1.8 to 28 Mhz include WARC band Power in 25w out 1kW with 2 x GU74B or…

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Cw Decoder Logic

Cw Decoder Logic

New free  Cw Decoder Logic v1.0.0.5 release 2016.11.10 Changelog: 1. Add station selection on waterfall. 2. Fixed program stability. More info: CwDecoderLogicV1005.pdf Download:   New free  Cw Decoder…

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Solar collector pump controller

Solar collector pump controller

Solar collector pump controller based on MCU ARM STM32Fo Video sample     Example how get temperature from DS18s20 via UART int main(void){ int i;…

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GUANELLA 4:1 current BALUN for QRO

GUANELLA 4:1 current BALUN for QRO

GUANELLA 4:1 current BALUN for QRO 73! de LY3H

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CW 500Hz filter for Yaesu FT-847

CW 500Hz filter for Yaesu FT-847

YF-122C filter manual connection for Yaesu FT-847 Work very weel! 500Hz filter sample 73! de LY3H  

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CW interface + Iambic keyer

CW interface + Iambic keyer

CW interface + Iambic keyer CW iambic source code   Design by Kostadin Mikic YU1KM/qrp 73! de LY3H  

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MagLoop 10 - 24 Mhz

MagLoop 10 – 24 Mhz

Magloop for 10 -24 Mhz. RX and TX Work very well.   RX test with skimmer 2.6kHz bandpass TX test 100W 73! de LY3H

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LituanicaSat-1

LituanicaSat-1

     LituanicaSAT-1 is an educational project. It’s primary mission objective is to provide university students and young engineers knowledge & real hands-on experience in…

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Crossband EchoLink

Crossband EchoLink

Echolink station for crossband repeater. Loc: Elektrėnai RX: 145.575 MHZ PL67 Hz TX: 433,550 MHz Power: 15W Antenna: 2 band 2 direction yagi RX 6 dBd …

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1.2 Ghz V antenna for RC video and other systems

1.2 Ghz V antenna for RC video and other systems

Cable 50 Ohm. Elements d =~2 mm Cu. Angle 90 between elements. 1 element lenght 61 mm 73! de LY3H

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LituanicaSat-1 repeater rev.2

LituanicaSat-1 repeater rev.2

LituanicaSat-1 FM repeater board. Now working ant testing with PA 15W and duplexer for dualband dual direction YAGI TX                                           433,550  15W RX                                          145,575 CTCSS PL 67 Hz…

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UHF 9v + 9h handheld cross YAGI for satellite

UHF 9v + 9h handheld cross YAGI for satellite

UHF 9v + 9h handheld cross YAGI for satellite 436,5 MHz center. Required  113 mm length of 100 Ohm coaxial cable transform to 50 Ohm….

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