qrp

457 links - and 8 categories

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

By qrpproject - Votes: 2 | Rating: 5.5

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

By ZS6KMD

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

By DL4YHF - Votes: 1 | Rating: 10

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

By KA5DVS - Votes: 2 | Rating: 10

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

By DL1GSJ

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

By om0et - Votes: 8 | Rating: 7.87

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

By ok2cqr - Votes: 1 | Rating: 10

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

By M0HZH - Votes: 6 | Rating: 7.33

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

By QRP Labs

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

By DL1GKK - Votes: 2 | Rating: 9.5

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

By DL4YHF - Votes: 1 | Rating: 7

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

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

By DK7IH - Votes: 3 | Rating: 10
136 kHz QRP Transmitter
The Marathon is a low power transmitter for 136 kHz

By GW4ALG - Votes: 1 | Rating: 6
17m QRP SSB Transceiver
18MHz QRP SSB transceiver PEREGRINO DX is a small portable QRPp project

By EA3ERT - Votes: 1 | Rating: 1
QRP Portable Rig for 80-40 meters
A home made portable QRP transceiver designed to work on 40 or 80 meters SSB ...

By VK3YY
Gimme Five - QRP SSB Transceiver
Gimme Five reloaded a compact 5 band QRP SSB transceiver in SMD technology This unit ...

By DK7IH - Votes: 1 | Rating: 10