Канал: LZ1JER

TC648 based DC Fan Controller

TC648 based DC Fan Controller

Free Space Optical Communication TEST 2 (33km)

Free Space Optical Communication TEST 2 (33km)

Free Space Optical Communication TEST

Free Space Optical Communication TEST

LZ0VVV 23cm 1W Beacon Reception at a distance of 180km

LZ0VVV 23cm 1W Beacon Reception at a distance of 180km

Filtering strong EMI/RFI with HF Noise Canceller on 80m band.

Filtering strong EMI/RFI with HF Noise Canceller on 80m band.

Fireworks at midnight 01 01 2023. Drone footage. Sofia, Bulgaria.

Fireworks at midnight 01 01 2023. Drone footage. Sofia, Bulgaria.

DIY Variable inductor, Вариометр своими руками.

DIY Variable inductor, Вариометр своими руками.

Static electricity in my 8m vertical antenna :D DIY Franklin bells.

Static electricity in my 8m vertical antenna :D DIY Franklin bells.

Sunset, Sofia 19-06-2022, DJI Mini 2

Sunset, Sofia 19-06-2022, DJI Mini 2

Receiving Navtex test, 518кHz

Receiving Navtex test, 518кHz

Noise canceller v.2 - update.

Noise canceller v.2 - update.

ATU-100 PCB by LZ1JER

ATU-100 PCB by LZ1JER

DL2KQ noise canceller v.2

DL2KQ noise canceller v.2

XIEGU G90 Extension board

XIEGU G90 Extension board

Noise cancelling test on 80m Band

Noise cancelling test on 80m Band

LZ5VK CQWW CW 2020

LZ5VK CQWW CW 2020

XIEGU G90 20m I/Q port test

XIEGU G90 20m I/Q port test

HF Noise Cancelling test 26-09-2020

HF Noise Cancelling test 26-09-2020

450THz Transceiver :D

450THz Transceiver :D

DL2KQ RF Noise Cancelling

DL2KQ RF Noise Cancelling

DIY High Current Power Supply

DIY High Current Power Supply

Teensy Geiger Counter

Teensy Geiger Counter

3D Printed Mendocino Motor

3D Printed Mendocino Motor

3D Printed VAWT

3D Printed VAWT

Single Transistor VHF Radio Receiver

Single Transistor VHF Radio Receiver

Lightning Storm, Sofia, Bulgaria 07.06.2017

Lightning Storm, Sofia, Bulgaria 07.06.2017

Lightning Storm in Sofia, Bulgaria

Lightning Storm in Sofia, Bulgaria

Десети конгрес на БКП, 1971г.

Десети конгрес на БКП, 1971г.

Weather Station - Anemometer

Weather Station - Anemometer

ORION typ.332, 1952

ORION typ.332, 1952

uRADMonitor KIT1 DIY PCB v.2 by LZ1JER, no LAN, Battery

uRADMonitor KIT1 DIY PCB v.2 by LZ1JER, no LAN, Battery

uRADMonitor KIT1 DIY v.1 PCB by LZ1JER, LAN

uRADMonitor KIT1 DIY v.1 PCB by LZ1JER, LAN

Cosmic rays and alpha particles.Thoriated tungsten welding electrode.Part 1.

Cosmic rays and alpha particles.Thoriated tungsten welding electrode.Part 1.

Cosmic rays and alpha particles. Thoriated tungsten welding electrode.Part 2.

Cosmic rays and alpha particles. Thoriated tungsten welding electrode.Part 2.

Cloud Chamber using Peltier module.Кондензационна камера.Камера Вильсона.

Cloud Chamber using Peltier module.Кондензационна камера.Камера Вильсона.

Meteor M2 Reception using RTL R820T SDR

Meteor M2 Reception using RTL R820T SDR

NOAA19 APT Reception using RTL R820T SDR

NOAA19 APT Reception using RTL R820T SDR

Cleaning Silver Plated BNC connector

Cleaning Silver Plated BNC connector

Joule Thief LED driver (Lustrous 10W LED)

Joule Thief LED driver (Lustrous 10W LED)

FUNCube-2 telemetry reception

FUNCube-2 telemetry reception

9.IX.1944 Гласове и звукови картини от биографията на големия ден

9.IX.1944 Гласове и звукови картини от биографията на големия ден

DRM Digital Radio Mondiale

DRM Digital Radio Mondiale

Wimshurst machine

Wimshurst machine

DIY Butterfly Variable Capacitor

DIY Butterfly Variable Capacitor

Raymond Kromrey generator Генератор Кромри

Raymond Kromrey generator Генератор Кромри

laser saber v.3

laser saber v.3

5x5x5 Green LED Cube

5x5x5 Green LED Cube