Tony Breathnach, EI5EM

@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...

最近の動画

G-QRP Resistive SWR Meter Build 6:02

G-QRP Resistive SWR Meter Build

A QRP T Match ATU Build 12:59

A QRP T Match ATU Build

M0UKD Simple Keyer 4:01

M0UKD Simple Keyer

A Complete Homebrew QRP, CW HF Station 11:50

A Complete Homebrew QRP, CW HF Station

Building the ATU-100 Automatic HF ATU 10:08

Building the ATU-100 Automatic HF ATU

Building the EGV-9B QRP CW Transceiver Kit 8:43

Building the EGV-9B QRP CW Transceiver Kit

Review of EGV+V2 CW QRP Transceiver 16:18

Review of EGV+V2 CW QRP Transceiver

Building the EGV+v2 CW Transceiver Kit 6:12

Building the EGV+v2 CW Transceiver Kit

Building QRP Labs 50W Amplifier 3:31

Building QRP Labs 50W Amplifier

An RF-activated Relay Project for the QRP Labs 50W amplifier 8:35

An RF-activated Relay Project for the QRP Labs 50W amplifier

RF activated relay 3:20

RF activated relay

Refurbishing and  Upgrading my Ten-Tec T-Kit 1320 9:07

Refurbishing and Upgrading my Ten-Tec T-Kit 1320

RF Activated CW Sidetone Oscillator 3:33

RF Activated CW Sidetone Oscillator

A HF Antenna Switch Box for Four Inputs and Two Outputs (incorporating Morse key switching). 7:11

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 7:53

An Outboard Speaker Module for the QCX Mini CW QRP Transceiver

A Homebrew Active CW Filter 7:00

A Homebrew Active CW Filter

A Homemade Helical Bandpass Filter for the Two-Metre Amateur Radio Band 10:36

A Homemade Helical Bandpass Filter for the Two-Metre Amateur Radio Band

A 2m Bandpass filter for RF noisy SOTA sites. 3:34

A 2m Bandpass filter for RF noisy SOTA sites.

A Dual Band (20/40m) Short Fan Dipole using Loading Coils 6:49

A Dual Band (20/40m) Short Fan Dipole using Loading Coils

A Homebrew 455 kHz BFO 11:40

A Homebrew 455 kHz BFO

An SWR Meter Project for HF 7:31

An SWR Meter Project for HF

Dual Band Nested Dipoles for 40m and 30m Amateur Radio Bands 5:50

Dual Band Nested Dipoles for 40m and 30m Amateur Radio Bands

Sample CW QSO with Luis EA1FGN 7:20

Sample CW QSO with Luis EA1FGN

A Homebrew Four Element 2 Metre Portable Yagi Antenna 5:40

A Homebrew Four Element 2 Metre Portable Yagi Antenna

A Morse Code Practice Oscillator 3:46

A Morse Code Practice Oscillator

A Fun FM Radio Receiver Project 5:53

A Fun FM Radio Receiver Project

A Homebrew Magnetic Loop Antenna for 40m, 30m and 20m by Tony (EI5EM). 7:22

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 4:11

Forgetting The Corona Virus For A Few Hours In Glorious Dublin Sunshine

Variable Capacitor Control for a Magnetic Loop Antenna (MLA). 5:43

Variable Capacitor Control for a Magnetic Loop Antenna (MLA).

A Standalone 600Hz CW Audio Filter and Amplifier 3:01

A Standalone 600Hz CW Audio Filter and Amplifier

A Simple, Inexpensive,  Homebrew Touch-Sensitive Twin-Paddle Iambic Key for CW. 3:07

A Simple, Inexpensive, Homebrew Touch-Sensitive Twin-Paddle Iambic Key for CW.

Another Touch-paddle and memory keyer project by  Tony Breathnach, EI5EM . 3:00

Another Touch-paddle and memory keyer project by Tony Breathnach, EI5EM .

Homebrew Twin Iambic Touch-Paddles for Morse Code 2:48

Homebrew Twin Iambic Touch-Paddles for Morse Code

QSO on 17m with OK1DO using Xiegu G90 3:40

QSO on 17m with OK1DO using Xiegu G90

Raising a Dipole Antenna Feed-point with Rope and Pulley. 5:41

Raising a Dipole Antenna Feed-point with Rope and Pulley.

Variable Capacitor and Controller for Magnetic Loop Antenna 3:24

Variable Capacitor and Controller for Magnetic Loop Antenna

An Iambic Memory Keyer for My Xiegu G90. 2:22

An Iambic Memory Keyer for My Xiegu G90.

Ye Olde Hurdy Gurdy Museum of Vintage Radio media project by students of Coláiste Dhúlaigh 8:08

Ye Olde Hurdy Gurdy Museum of Vintage Radio media project by students of Coláiste Dhúlaigh

How to Wind Toroid Inductors 1:46

How to Wind Toroid Inductors

Elecraft AF1 Active Audio Filter Clone Homebrew Project 2:52

Elecraft AF1 Active Audio Filter Clone Homebrew Project

Elecraft K2 SSB Transmit Problem Resolved 3:13

Elecraft K2 SSB Transmit Problem Resolved

A Homebrew Combined Capacitive Touch-Paddle and Memory Keyer 3:57

A Homebrew Combined Capacitive Touch-Paddle and Memory Keyer

Preview of my K16 memory keyer build 0:34

Preview of my K16 memory keyer build

My Homebrew Cobweb Antenna V ZS6BKW on 18 MHZ (EI5EM) 2:08

My Homebrew Cobweb Antenna V ZS6BKW on 18 MHZ (EI5EM)

My Cobweb (single-wire) Antenna Build by  Tony Breathnach EI5EM 7:55

My Cobweb (single-wire) Antenna Build by Tony Breathnach EI5EM

uBITX Really Finished This Time (I Swear) ! 7:25

uBITX Really Finished This Time (I Swear) !

Ei5EM uBITX QSO with Sandra G0MCV 6:53

Ei5EM uBITX QSO with Sandra G0MCV

A Touch Key for my uBITX Transceiver 3:41

A Touch Key for my uBITX Transceiver

EI5EM /P QRP Portable on the Bull Island Dublin 11:40

EI5EM /P QRP Portable on the Bull Island Dublin

uBITX Finally Built, Modified and Finished 3:40

uBITX Finally Built, Modified and Finished

A Homebrew Audio Preamplifier Construction Project 3:21

A Homebrew Audio Preamplifier Construction Project

Active CW Flter for uBITX 1:58

Active CW Flter for uBITX

uBITX with K16 memory keyer added (EI5EM) 1:28

uBITX with K16 memory keyer added (EI5EM)

EI5EM QRP Portable in QSO with VE2WU 9:40

EI5EM QRP Portable in QSO with VE2WU

EI90IARU commemmorating 90 years since the founding of the IARU in 1925. 2:50

EI90IARU commemmorating 90 years since the founding of the IARU in 1925.

Wireless and the 1916 Rising in Ireland. 2:25

Wireless and the 1916 Rising in Ireland.

Spark Transmitter Demonstration by EI5EM 0:22

Spark Transmitter Demonstration by EI5EM

CQD first use of wireless in maritime emengency in 1909 2:47

CQD first use of wireless in maritime emengency in 1909

Space Shuttle Columbia in QSO with IRTS HQ station 1983 2:58

Space Shuttle Columbia in QSO with IRTS HQ station 1983

EI5EM's homebrew iambic memory keyer using the K16 chip by K1EL. 1:53

EI5EM's homebrew iambic memory keyer using the K16 chip by K1EL.

EI5EM's Combined QRP  Resistive SWR Bridge and L-match ATU Project 24:08

EI5EM's Combined QRP Resistive SWR Bridge and L-match ATU Project

EI5EM uBITX Build Project 3:41

EI5EM uBITX Build Project

uBitx on 80 0:28

uBitx on 80

Homebrew touch paddles for CW (Morse Code). 2:31

Homebrew touch paddles for CW (Morse Code).

EI5EM's QCX QRP kit for 40m now built, boxed and working 0:48

EI5EM's QCX QRP kit for 40m now built, boxed and working

EI5EM's QCX 20m kit finally boxed. 1:12

EI5EM's QCX 20m kit finally boxed.

EI5EM's 20 and 40 metre QCX QRP kits From QRP Labs. 7:12

EI5EM's 20 and 40 metre QCX QRP kits From QRP Labs.

A homebrew 7 MHz single-conversion superhet receiver. 3:11

A homebrew 7 MHz single-conversion superhet receiver.

Hurdy Gurdy Museum of Vintage Radio (Howth, Co. Dublin, Ireland). 20:34

Hurdy Gurdy Museum of Vintage Radio (Howth, Co. Dublin, Ireland).

Tony Breathnach Live Stream

Tony Breathnach Live Stream

An All-in-one Portable QRP CW Station by EI5EM 30:22

An All-in-one Portable QRP CW Station by EI5EM

EI5EM MORSE DEMONSTRATION 0:21

EI5EM MORSE DEMONSTRATION

動画

G-QRP Resistive SWR Meter Build 6:02

G-QRP Resistive SWR Meter Build

597 回視聴 - 3 週間前

A QRP T Match ATU Build 12:59

A QRP T Match ATU Build

1245 回視聴 - 4 週間前

M0UKD Simple Keyer 4:01

M0UKD Simple Keyer

633 回視聴 - 1 か月前

A Complete Homebrew QRP, CW HF Station 11:50

A Complete Homebrew QRP, CW HF Station

1584 回視聴 - 9 か月前

Building the ATU-100 Automatic HF ATU 10:08

Building the ATU-100 Automatic HF ATU

597 回視聴 - 1 年前

Building the EGV-9B QRP CW Transceiver Kit 8:43

Building the EGV-9B QRP CW Transceiver Kit

2108 回視聴 - 1 年前

Review of EGV+V2 CW QRP Transceiver 16:18

Review of EGV+V2 CW QRP Transceiver

990 回視聴 - 1 年前

Building the EGV+v2 CW Transceiver Kit 6:12

Building the EGV+v2 CW Transceiver Kit

1143 回視聴 - 1 年前

Building QRP Labs 50W Amplifier 3:31

Building QRP Labs 50W Amplifier

803 回視聴 - 2 年前

An RF-activated Relay Project for the QRP Labs 50W amplifier 8:35

An RF-activated Relay Project for the QRP Labs 50W amplifier

842 回視聴 - 2 年前

RF activated relay 3:20

RF activated relay

242 回視聴 - 2 年前

Refurbishing and  Upgrading my Ten-Tec T-Kit 1320 9:07

Refurbishing and Upgrading my Ten-Tec T-Kit 1320

848 回視聴 - 2 年前