Ham Radio

*Haven't Received Your Official K4A – 33 Years Certificate Yet?*

Thank you to all the amateur radio operators around the world who participated in our *K4A – 33 Years Special Event, held on **May 11, 2026, celebrating the **33rd Anniversary of Amateur Radio Alliance Inc. (KP4ARA).*

If you successfully made a *QSO with the special event station K4A* during the event and *have not yet received your official OTO Award Certificate*, you can still request it!

*The fastest and recommended method is to complete our online request form:*

👉 **https://forms.gle/92XJ9Dh7MnVrGDre8**

*Alternatively*, if you prefer, you may send your request by email to:

[email protected]

Please include your callsign, QSO date, UTC time, band, and mode so we can verify your contact and send your certificate *completely FREE OF CHARGE*.

Thank you for being part of this historic celebration.

*73,*

*Amateur Radio Alliance Inc. (KP4ARA)*
Puerto Rico

¿Aún no has recibido tu Certificado Oficial K4A – 33 Years?*

Gracias a todos los radioaficionados alrededor del mundo que participaron en nuestro Evento Especial *K4A – 33 Years, celebrado el **11 de mayo de 2026, con motivo del **33.º Aniversario de Amateur Radio Alliance Inc. (KP4ARA).*

Si lograste realizar un *QSO con la estación especial K4A* durante el evento y *todavía no has recibido tu Certificado Oficial OTO Award*, ¡aún estás a tiempo de solicitarlo!

*La forma más rápida y recomendada es completar nuestro formulario:*

👉 **https://forms.gle/92XJ9Dh7MnVrGDre8**

*Como alternativa*, si lo prefieres, puedes enviar un correo electrónico a:

[email protected]

Incluye tu indicativo (callsign), fecha, hora UTC, banda y modo de operación para que podamos verificar tu QSO y enviarte tu certificado *completamente GRATIS*.

Gracias por haber formado parte de esta histórica celebración.

73 y adelante,

Amateur Radio Alliance Inc. (KP4ARA)
Puerto Rico

Ham radio operators use different antennas depending on the operating band, available space, and communication goal.
A half-wave dipole is one of the simplest and most efficient antennas for a single HF band. The Yagi-Uda antenna provides high gain and strong directivity, making it an excellent choice for long-distance HF, VHF, and UHF communication.
A vertical ground-plane antenna offers omnidirectional coverage and is commonly used for HF DX contacts where low-angle radiation is beneficial.
The End-Fed Half-Wave (EFHW) antenna is easy to install, requires only one main support point, and is popular for multiband operation when used with a 49:1 matching transformer. The G5RV antenna is a versatile multiband wire antenna that works across several amateur radio bands with the help of an antenna tuner. Each antenna has its own strengths, so the best choice depends on your operating frequency, installation space, budget, and whether you need local or long-distance communication.