EA6AJ

Aficionado al DX,interesado en CW y modos digitales,La Radio e Internet son compatibles,DX amateur, interested in CW and digital modes, Radio and Internet are

[Electrical Knowledge @electric_4u]

Types of LED

[The DXZone Ham Radio @dxzone]

Ground Truth: Demystifying Radials and Counterpoises
https://t.co/tlLEcGzXyW

[maker.io @MakerIO]

The engineer’s guide to RF cable assembly selection and use

Learn more: https://t.co/o976NVZpte

📸: @MolexConnectors

#engineering

[maker.io @MakerIO]

Real-Time GPS Tracker with @Raspberry_Pi #Pico & SIM800L GSM Module

Learn more: https://t.co/IeLuQ5TygC

[UREPalma @UrePalma]

Este Viernes 20/feb estaremos en el colegio S. Vicente Ferrer de Manacor, siguiendo con la radioaficion en las escuelas junto a los compañeros de URE Levante. Se agradecera vuestro apoyo para contactar con los chicos. Freq. 40 m y repetidores R2/R6 y R92 a partir de las 12:30 h

[Taha Alasemi | طه العاصمي @tahaalasemi]

Here's a water flow analogy:

- Resistor: A narrow pipe that restricts water flow (current). The narrower the pipe, the higher the resistance.
- Capacitor: A rubber diaphragm in a pipe. It blocks DC (direct flow) but allows AC (pulsating flow) to pass through.
- BJT (Bipolar Junction Transistor): A valve controlled by a small water flow (base current). The valve regulates a larger water flow (collector-emitter current).
- MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor): A valve controlled by water pressure (gate voltage). The pressure opens/closes the valve, regulating water flow (drain-source current).

Makes sense? 😊

[K3RRR @K3TripleR]

For those who don't know this… And also for all of us who forgot what we had for breakfast yesterday…

[Inferam @InferamAI]

Types of transformers

[The DXZone Ham Radio @dxzone]

FT8 Live: Real-Time FT8 and SOTA Spots
https://t.co/CnyEggD5La

[SparkED @Afghan_Engineer]

Shortcircuit protector.

[Taha Alasemi | طه العاصمي @tahaalasemi]

Basic electronics components explanation in 1 minute

[M0FXB ANDREAS UK @andrew_macrides]

HamClock info & Instructions 2026

[DX World.net @DX_World]

KP5/NP3VI - DXPEDITION EXTENDED & ATNO DAY.

https://t.co/5lXMtVx9P1

[Ham Radio World @Ham_Radio_World]

The ALM-31 is a rugged Aluminum Light Mast (ALM) designed specifically for amateur and competitive ham radio operators. It can be used as a temporary tower, which in many cases may allow installation without requiring a permit.

Ideal for portable setups, contests, and DXpeditions, the ALM-31 offers strength, versatility, and ease of deployment.

🔗 Learn more here: https://t.co/3QmSFcolSg

[DX World.net @DX_World]

DXpedition Timeline – FEBRUARY 2026

https://t.co/FCNIHh9mb6

[M0FXB ANDREAS UK @andrew_macrides]

ICOM RC-28 VFO Controller & SDR Control Set Up