Meet s21red

Amateur radio from Bangladesh, sharing my passion for signals, satellites, and science projects.

A close-up of a ham radio transceiver glowing softly with green and amber lights in a dark room.
A close-up of a ham radio transceiver glowing softly with green and amber lights in a dark room.

150+

15

Trusted Operator

QSL Verified

S21RED

Here’s what s21red offers to fellow ham enthusiasts in Bangladesh.

Logbook
A detailed digital logbook screen showing recent ham radio contacts with call signs and signal reports.
A detailed digital logbook screen showing recent ham radio contacts with call signs and signal reports.

Track your QSOs effortlessly with a live-updated logbook tailored for s21red.

An interactive Maidenhead grid map highlighting Bangladesh with green and amber glowing markers.
An interactive Maidenhead grid map highlighting Bangladesh with green and amber glowing markers.
Satellite tracker interface displaying moving satellites over a dark-themed globe with tech style accents.
Satellite tracker interface displaying moving satellites over a dark-themed globe with tech style accents.
Propagation

Real-time band conditions and propagation maps to plan your next ham adventure.

Exciting projects like antenna builds and weather balloon tracking keep the science alive.

Projects

My QTH

Located in vibrant Bangladesh, where the radio waves meet the rich culture and warm skies.

Address

Dhaka, Bangladesh

Hours

24/7

Antenna Build

Crafting a custom Yagi antenna for better reception.

Close-up of a homemade Yagi antenna mounted on a rooftop under a clear sky.
Close-up of a homemade Yagi antenna mounted on a rooftop under a clear sky.
SDR Radio

Experimenting with software-defined radio to capture signals across various bands, enhancing my ability to listen and decode transmissions from around the world.

A sleek SDR setup with a laptop displaying spectrum analyzer software, glowing softly in a dark room.
A sleek SDR setup with a laptop displaying spectrum analyzer software, glowing softly in a dark room.
Weather Balloon

Tracking a weather balloon’s journey as it ascends, collecting atmospheric data and broadcasting its position live via amateur radio frequencies.

Contact

Reach out anytime with questions or greetings

Email

Phone

s21red@sviesosbanga.com

+8801712345678

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