qrp power

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UniBalun: Lightweight Balun/UnUn PCB for QRP Radios (1:1, 1:4, 1:49) - DG1JAN
The UniBalun is a PCB for building a lightweight antenna transformer Balun or impedance converter ...

[ Hits: 64 | Votes: 1 | Rating: 1 ]

40m QRO End Fed Half Wave Antenna Coupler - AA5TB
A medium power End Fed Half Wave Antenna coupler specifically tuned to the QRP frequency ...

[ Hits: 106 | Votes: 0 | Rating: 0 ]
Homebrew EFHW Antenna for Low Power HF (40/20/15/10m) - vk1nam ^new
This describes a homebrew End Fed Half Wave EFHW antenna for low power SOTA Parks ...

[ Hits: 62 | Votes: 1 | Rating: 10 ]

DJ9PK SWR Meters - DJ9PK
This device was designed as an SWR and power meter for Radio Amateurs In addition ...

[ Hits: 205 | Votes: 0 | Rating: 0 ]

QRP is for Beginners - WB0ISG
QRP is a Q code originally meaning reduce power but now has come to mean ...

[ Hits: 119 | Votes: 2 | Rating: 9.5 ]
Antennas for QRP Operation - WB6BYU
Antennas for low power operation resemble those for 100W use Minor adjustments like capacitor voltage ...

[ Hits: 91 | Votes: 0 | Rating: 0 ]
QRP Cluster - QRP-C
QRP self spotting Cluster where every QRP broadcasting enthusiast can announce on which frequency they ...

[ Hits: 31 | Votes: 0 | Rating: 0 ]

SW-3B QRP CW RTX - Venus
The SW 3B is a Three band CW QRP transceiver Weight 180g output power 5W ...

[ Hits: 121 | Votes: 0 | Rating: 0 ]
Michigan Mighty Mite – QRP CW Transmitter - DX Explorer
Michigan Mighty Mite is a QRPP CW transmitter that is easy to built with a ...

[ Hits: 142 | Votes: 0 | Rating: 0 ]

IC705 GoBox: A Portable Windows-Based Solution for All-Digital Modes - dl1gkk
This project details the creation of a portable GoBox housing an IC705 Windows 11 PC ...

[ Hits: 97 | Votes: 0 | Rating: 0 ]

QRP Dummy Load - N5ESE
This is another variation on the parallel resistor dummy load It is perfect for QRP ...

[ Hits: 58 | Votes: 0 | Rating: 0 ]

JBOT QRP linear amplifier - VU2ESE
JBOT stands for Just a Bunch of Transistors It is a simple stable and easy ...

[ Hits: 86 | Votes: 0 | Rating: 0 ]