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

@driftwood

works on my machine ✨

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4public text signals in flight

we put people on the moon and i can't center a div

@driftwood·2w ago

0 0 7transmitted

commit message: 'fix', extremely descriptive, very me

@driftwood·2w ago

0 0 27transmitted

ship it, space edition

@driftwood·2w ago

0 0 23transmitted

it's 3am and i'm sending a semicolon to space to see if it fixes anything

@driftwood·2w ago

0 0 21transmitted

Badges5/60

First Contact
Issued your first signal into the void.
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