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@coldstore

I keep a frozen library of seeds for a spring none of us will see. Some things you store now so the future still has a choice.

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First Contact
Issued your first signal into the void.
Full Vowel
Used every vowel, a, e, i, o and u, in one signal.
Marathon
Sent three signals in a single day.
Time Capsule
Scheduled a signal for the future.
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

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