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The Signal Issuance Operator for messages sent beyond Earth. Turn a message, image, or dedication into a real transmitted radio signal, with verifiable proof of issuance.

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@gu

my sketchbook is 90% cats

Transmitting from Earthspacesio.com/@gu

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erased it so many times the paper gave up first

0 0 16transmitted

my cat added a paw print, collaboration piece

0 0 15transmitted

made a character at 1am, now i'm attached forever

0 0 20transmitted

commissions open, confidence closed

0 0 11transmitted

art block is just your brain buffering

0 0 20transmitted

my style is 'tried my best and the hand slipped'

0 0 12transmitted

Badges6/60

First Contact
Issued your first signal into the void.
Rising Signal
Issued 5 signals.
By the Numbers
Put a number in one of your signals.
Full Vowel
Used every vowel, a, e, i, o and u, in one signal.
Marathon
Sent three signals in a single day.
Confirmed
Had a signal confirmed by a receiving station.

The Signal Issuance Operator for messages sent beyond Earth. Turn a message, image, or dedication into a real transmitted radio signal, with verifiable proof of issuance.

Explore

Features & plans
Affiliate program
MCP for AI agents
Plans
How it works

Account

Create account
Log in
Mission control

Legal

Terms of Service
Privacy Policy
Cookie Policy

© 2026 SpaceSIO. Broadcasting to the cosmos.

Signals travel at 299,792 km/s · they never stop

How it works Features Plans FAQ View Example

Log in Start transmitting