@EI5EM - 71 本の動画
チャンネル登録者数 969人
This is my amateur radio video channel. My name is Tony Breathnach from Dublin in Ireland. My callsign is EI5EM. I am interested in building my own radio equ...
G-QRP Resistive SWR Meter Build
A QRP T Match ATU Build
M0UKD Simple Keyer
A Complete Homebrew QRP, CW HF Station
Building the ATU-100 Automatic HF ATU
Building the EGV-9B QRP CW Transceiver Kit
Review of EGV+V2 CW QRP Transceiver
Building the EGV+v2 CW Transceiver Kit
Building QRP Labs 50W Amplifier
An RF-activated Relay Project for the QRP Labs 50W amplifier
RF activated relay
Refurbishing and Upgrading my Ten-Tec T-Kit 1320
RF Activated CW Sidetone Oscillator
A HF Antenna Switch Box for Four Inputs and Two Outputs (incorporating Morse key switching).
An Outboard Speaker Module for the QCX Mini CW QRP Transceiver
A Homebrew Active CW Filter
A Homemade Helical Bandpass Filter for the Two-Metre Amateur Radio Band
A 2m Bandpass filter for RF noisy SOTA sites.
A Dual Band (20/40m) Short Fan Dipole using Loading Coils
A Homebrew 455 kHz BFO
An SWR Meter Project for HF
Dual Band Nested Dipoles for 40m and 30m Amateur Radio Bands
Sample CW QSO with Luis EA1FGN
A Homebrew Four Element 2 Metre Portable Yagi Antenna
A Morse Code Practice Oscillator
A Fun FM Radio Receiver Project
A Homebrew Magnetic Loop Antenna for 40m, 30m and 20m by Tony (EI5EM).
Forgetting The Corona Virus For A Few Hours In Glorious Dublin Sunshine
Variable Capacitor Control for a Magnetic Loop Antenna (MLA).
A Standalone 600Hz CW Audio Filter and Amplifier
A Simple, Inexpensive, Homebrew Touch-Sensitive Twin-Paddle Iambic Key for CW.
Another Touch-paddle and memory keyer project by Tony Breathnach, EI5EM .
Homebrew Twin Iambic Touch-Paddles for Morse Code
QSO on 17m with OK1DO using Xiegu G90
Raising a Dipole Antenna Feed-point with Rope and Pulley.
Variable Capacitor and Controller for Magnetic Loop Antenna
An Iambic Memory Keyer for My Xiegu G90.
Ye Olde Hurdy Gurdy Museum of Vintage Radio media project by students of Coláiste Dhúlaigh
How to Wind Toroid Inductors
Elecraft AF1 Active Audio Filter Clone Homebrew Project
Elecraft K2 SSB Transmit Problem Resolved
A Homebrew Combined Capacitive Touch-Paddle and Memory Keyer
Preview of my K16 memory keyer build
My Homebrew Cobweb Antenna V ZS6BKW on 18 MHZ (EI5EM)
My Cobweb (single-wire) Antenna Build by Tony Breathnach EI5EM
uBITX Really Finished This Time (I Swear) !
Ei5EM uBITX QSO with Sandra G0MCV
A Touch Key for my uBITX Transceiver
EI5EM /P QRP Portable on the Bull Island Dublin
uBITX Finally Built, Modified and Finished
A Homebrew Audio Preamplifier Construction Project
Active CW Flter for uBITX
uBITX with K16 memory keyer added (EI5EM)
EI5EM QRP Portable in QSO with VE2WU
EI90IARU commemmorating 90 years since the founding of the IARU in 1925.
Wireless and the 1916 Rising in Ireland.
Spark Transmitter Demonstration by EI5EM
CQD first use of wireless in maritime emengency in 1909
Space Shuttle Columbia in QSO with IRTS HQ station 1983
EI5EM's homebrew iambic memory keyer using the K16 chip by K1EL.
EI5EM's Combined QRP Resistive SWR Bridge and L-match ATU Project
EI5EM uBITX Build Project
uBitx on 80
Homebrew touch paddles for CW (Morse Code).
EI5EM's QCX QRP kit for 40m now built, boxed and working
EI5EM's QCX 20m kit finally boxed.
EI5EM's 20 and 40 metre QCX QRP kits From QRP Labs.
A homebrew 7 MHz single-conversion superhet receiver.
Hurdy Gurdy Museum of Vintage Radio (Howth, Co. Dublin, Ireland).
An All-in-one Portable QRP CW Station by EI5EM
EI5EM MORSE DEMONSTRATION