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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VHF UHF cross band repeater

VHF UHF cross band repeater

UHF VHF cross band repeater based on “LituanicaSat-1” satellite prototype FM section. Simple modifide PA from 150mW to 1,5W and added diplexer for antenna. Input:…

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VHF UHF YAGI handheld antenna for satellite

VHF UHF YAGI handheld antenna for satellite

VHF UHF dual band YAGI antenna for satellite and my first QSO via SO50 satellite with ES5CC station 🙂 TRX 5W : WOUXUN KG-UVD1 QSO…

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SnaLY-160 (Scalar USB network analyzer)

SnaLY-160 (Scalar USB network analyzer)

  Technical specification: OS: WinXp, Vista, Windows7 (64 ir 32 bit) Sweep range: 100 KHz – 160 MHz. Generator range: 10 KHz – 160 MHz….

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Magloop antenna for 20m

Magloop antenna for 20m

   I was forced to use magloop (also known as STL – small transmitting loop) because I don’t have permission to build antennas on my…

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Slim Jim antenna for 433 MHz

Slim Jim antenna for 433 MHz

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