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An analogic Meter for yaesu FT 857 and 897 by I6IBE in italian

An homebrewed dipole antenna for 14MHz

An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it

A compact Beam Antenna That Can Be Built At Home. Made with lightweight wooden "X" frame with two folded and linear loaded wire elements. The two elements are approximately a half-wave each.

Build your own home made Antenna Analyzer with an arduino micro, or a cheeper one with a pic processor

The Kenwood TH-F6A handheld transceiver can achieve an extended transmit frequency range of 137-174 MHz, 216-235 MHz, and 410-470 MHz by removing a specific diode and chip resistor from the main PCB. This modification also expands the receive range on the A-band to 142-152 MHz, 216-235 MHz, and 420-450 MHz. For the TH-F7E, the transmit range extends to 137-174 MHz and 410-470 MHz, with a corresponding receive range on the A-band. Performing these hardware changes will reset and initialize the radio's memory contents, necessitating prior backup of important channel frequencies. Instructions are provided for constructing a homemade PC programming cable compatible with the Kenwood TH-G71A, TH-F6A, and TH-F7E. The interface utilizes an RS-232-to-logic (0-3.3V) level-shifter and a full-duplex serial connection, adapting the Kenwood PG-4S cable schematic for the TH-G71's 2.5mm and 3.5mm phono plugs. Specific schematic tweaks include changing R1 from 150 ohms to 1K ohm to optimize power from the serial port and adding a 150K ohm resistor between the Radio TXD and ground to manage the 3.3V I/O pin. Detailed plug pinouts for the 2.5mm and 3.5mm connectors are presented, with the interface's TXD connecting to the ring of the 2.5mm plug and RxD to the shield of the 3.5mm plug. Ground connects to the shield of the 2.5mm plug, while the tips of both plugs are no-connects. Debugging procedures cover verifying positive and negative power rails from the serial port, checking component polarities, and testing level-shifting and inversion functions of the interface. Software setup involves enabling "TC ON" (Menu 15 for TH-G71, Menu 9 for TH-F6) and using Kenwood's MCP programming software.

The Antenna Rotator Controller is unique in that it senses, displays, and controls to the earth's true magnetic field. The compass sensor, mounted in a waterproof enclosure, is attached to the mast and sends its signal to a microcontroller

A portable VHF home-made Yagi-Uda antenna, that is extremely easy to build and very cheap. Moreover this antenna, while dismounted is just 1 meter long, and the total weight is just 100 grams.

A home made QRSS beacon project for the 10 MHz by VK2ZAY

Two 50 Mhz amplifiers and antenna switch

An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS

Home made discone antenna used with RTLSDR dongle

Make yourself a Diplexer

Circuits, pictures and data about toroids, tubes and home made power amplifiers

A homemade remote antenna switch made with an Arduino Uno by KK7S

Homemade HF Tuner by PE1OPM

Time to show your TV who's boss

A home made vertical polarized moxon antenna for 144 MHz, includes dimensions, antenna pattern, SWR and antenna gain plots by WB5CXC

CW paddle made with a steak knife some simple hardware and a stainless steel fork

My first homemade SSB and CW receiver 10 kHz to 30 MHz

Homemade SWR PWR Meter based on Arduino

A project for a homemade multiband Hexbeam antenna for 10, 12, 15, 17 and 20 meters

Home made RF power amplifier for six meter band

Home made keyer with 8 memories, auto spacing, adjustable speed & weighting, separate paddle and key inputs, beacon mode, positive or negative keying, fuse, extremely low power requirements, and a bullet proof housing by AA5TB

PE1OPM home made external speaker project

A home made balance antenna tuner project by KR7Q

Antan is a homemade antenna analyzer project by F6BQU

Topic regarding a new 1KW HF power amplifier with 2x GI7B

Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.

AA5TB homemade balun article

An home made SWR meter for 2.4 GHz. A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.

A dipole for 2m, 4m, 6m band an hamdwritten note for a homemade vhf antenna that can be tuned across the VHF band

An interesting home made project of an L Network Antenna Tuner Project with pictures and schematics by K7SFN

How could we share the Beverage antennas on more than one station using this homemade remote antenna switch, a project by TK5EP

EA4EOZ home made baluns

A project for a home made 5 element yagi-uda antenna for 2 meters, covering 144-148 MHz band by N1BMX

A home made sweeping signal generator up to 2 GHz

An home made unun with a Amidon T-200-2 toroid

An home made QRM Eliminator project based on the WA1ION original design, used to remove QRN generated locally by an halogen lamp in Dutch

An home made Z-Match antenna tuner unit that cover all HF bands between 10 and 160 meters

A Solid State HF Amplifier with 16 mrf150 featuring 2.4 kW 1.8 MHz - 30 MHz

Homebrew G5RV a simple multiband antenna. This article shows detailed pictures of a G5RV home made antenna, including antenna size and dimensions by 9M2ZAK

An introduction to history of Morgain Antenna, since the early origins in Virginia, to the current home made projects and design available on the net. Article in Italian

A homemade VHF/UHF vertical antenna made essentially with RG58 coax cable, with a 9 turns choke balun to prevent the shield acting as a RF Radiator.

A PDF presentation of a home made moxon antenna for 50 MHz 70 MHz and 144 Mhz. The project is mainly out of surplus plastic Plumbing pipes and clips etc, and also details of how the dimensions were calculated.

A 40/80 meters dipole made with two loading coils based on a project by IK1ZOY

This homemade tube oscilloscope is based on the WaterMan Pocket-Scope 0510A, a 3 tube oscilloscope made in 1946.

This document contains the detailed instructions to build a homemade lindenblad antenna using a twin-lead as dipole elements. This document contains 9 pages and includes a detailed construction sequence and some drawings to build this antenna for UHF and VHF ham radio bands

A home made yagi antenna featuring 6db forward gain and 22 Db front back

An home made RF Amplifier project that allows near full power output from 813 tubes