Flare Gun (Program)

Flare Gun is utility program when helplessly lost in Net space and you just want to scream to someone else, the Rare Gun can get your message out A simple message like your Net coordinates and brief description of your dilemma can be sent with this program. Rare Gun will send a wide-spectrum message at a 3 space radius per tum from your position every 2D6 turns. If needed, this message can be encrypted with any encryption program, and then decoded by other friendly netrunners with prearranged decryption keys. Other programs or large pieces of data (i.e. a database download) cannot be sent via Rare Gun.

Source

 * Chromebook Volume 3, pg.75