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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 4CX800A tubes input S11 – VSWR de LY3H 73!
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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 New free Cw Decoder Logic v1.0.0.4 release 2016.11.08 Changelog:1. Add auto squelch function.2. Add smart auto tracking function.3. Ignore spicks.4. Increased decoder sensitivity and accuracy.5. Add speed limitation function for low and high speed. Look: Menu / Configuration /…
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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; UART_Config(); while(1){ OW_Reset(USART1); OW_SendByte(0xCC); // kreipiames i visus daviklius OW_SendByte(0x44); // skaiciuoja temperatura visi davikliai delay_ms(750); …
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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
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 iambic source code Design by Kostadin Mikic YU1KM/qrp 73! de LY3H
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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 is an educational project. It’s primary mission objective is to provide university students and young engineers knowledge & real hands-on experience in satellite engineering thereby helping to develop infrastructure and know-how in space technology by interdisciplinary interaction between academia and industry in Lithuania. LituanicaSAT-1 will carry Lithuanian open-source software and hardware for…
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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 TX 8 dBd WWL: KO24IS TNX: LY2EN Simonas for PC LY2SS Žilvinas for software tuning LY3BRA Audrius for testing 73! de LY3H
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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 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 Loction Elektrėnai, Lithuania Call LY3H WWLoc KO24IS Antenna X300 TX 10.5 dBi, RX 7.5 dBi. H from ground 55m Sound indentification LY3H RTX Duplexer PA simple tuning to 433 Mhz 73! de LY3H I explicitly…
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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. Antenna is working very well. Sample: CUTE1,7 cross yagi on RTL-SDR USB dongle http://ly3h.epalete.com/wp-content/uploads/2013/01/CUTE17-cross-yagi-SDR.mp3 73! de LY3H