QRP

457 links - and 8 categories

Balun 1:4 UNBAL to BAL - qrpproject
How to wind toroids in making baluns using two pieces of 0 5 mm enameled ...

[ Hits: 431 | Votes: 2 | Rating: 5.5 ]

40 meter portable dipole for QRP operations - ZS6KMD
Schematic drawing and instructions for the construction of a simple portable dipole for use in ...

[ Hits: 266 | Votes: 0 | Rating: 0 ]

Indoor QRP HF Loop Antenna - DL4YHF
A home made magnetic loop for HF Bands This small and compact loop is designed ...

[ Hits: 324 | Votes: 1 | Rating: 10 ]

PAC-12 Antenna modification - KA5DVS
A Multiband Slinky Coil for the PAC 12 portable Antenna can be used also as ...

[ Hits: 268 | Votes: 2 | Rating: 10 ]

A QRP Transmatch ATU - DL1GSJ
A home made Antenna Tuner made with a simple inductor and a few spare parts ...

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

OM0ET Antennas - om0et
Maker of small and compact multiband QRP UltraLight Magnetic Loop Antennas and UnUn transformer for ...

[ Hits: 313 | Votes: 7 | Rating: 7.57 ]

cqrprop - ok2cqr
HF propagation to your Linux desktop CQRLOG uses data from HamQSL website provided by Paul ...

[ Hits: 215 | Votes: 1 | Rating: 10 ]

A Compact 600W Broadband HF Power Amplifier - M0HZH
A 600W 1 8 MHz to 54 MHz power linear amplifier made using rugged MRF300 ...

[ Hits: 599 | Votes: 6 | Rating: 7.33 ]

Frequency counter project - QRP Labs
This project includes quite a number of useful testing features which were very useful when ...

[ Hits: 128 | Votes: 0 | Rating: 0 ]

Compact GO-BOX with a Raspberry Pi4, Elecraft KX2 and Kenwood TH-D74 - DL1GKK
A very compact and multifunctional digital amateur radio station for the radio operation at home ...

[ Hits: 324 | Votes: 2 | Rating: 9.5 ]

DL4YHF PIC-Keyer - DL4YHF
This page describes a printed circuit board that you may use to build a QRP ...

[ Hits: 128 | Votes: 1 | Rating: 7 ]

Micro24 Cigarette Pack SSB QRP Transceiver for 20m - DK7IH
The Micro24 is a ultra compact microsize QRP SSB transceiver for the 20 meters amateur ...

[ Hits: 1162 | Votes: 7 | Rating: 7.71 ]
The Micro20 III Pocket Size SSB RTX for 20m - DK7IH
DK7IH QRP transceiver for 14 MHz This small and compact home made transceiver with a ...

[ Hits: 252 | Votes: 3 | Rating: 10 ]
136 kHz QRP Transmitter - GW4ALG
The Marathon is a low power transmitter for 136 kHz

[ Hits: 187 | Votes: 1 | Rating: 6 ]
17m QRP SSB Transceiver - EA3ERT
18MHz QRP SSB transceiver PEREGRINO DX is a small portable QRPp project

[ Hits: 239 | Votes: 1 | Rating: 1 ]
QRP Portable Rig for 80-40 meters - VK3YY
A home made portable QRP transceiver designed to work on 40 or 80 meters SSB ...

[ Hits: 196 | Votes: 0 | Rating: 0 ]
Gimme Five - QRP SSB Transceiver - DK7IH
Gimme Five reloaded a compact 5 band QRP SSB transceiver in SMD technology This unit ...

[ Hits: 285 | Votes: 1 | Rating: 10 ]

40m CW QRPp/QRP transceiver - VK3HN
A pocket-sized homebrew 40m CW QRPp/QRP transceiver

[ Hits: 184 | Votes: 0 | Rating: 0 ]

Low Cost FT8 WSPR Monitoring System - RTL SDR
A tutorial on setting up a Low Cost QRP FT8 JT9 WSPR etc Monitoring Station ...

[ Hits: 273 | Votes: 0 | Rating: 0 ]