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Signal Light

¥100
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Note: Your device must have a flash to use this app!

This is a handy tool for campers, scouts, boaters, (and spies)!

Use it to communicate with distant friends using Morse code, tap out a beat for a human-powered strobe light, or get the attention of rescuers.


This app is based on a “signal lamp” which is a manually-controled shuttered spotlight used on warships to communicate securely while maintaining radio silence.

Modern navies still use signal lamps, but now use infrared wavelengths and night vision goggles!

Extra fun:

Put a paper towel tube on the flash to make a tight spotlight and you’ve got a line-of-sight communication tool that only you and your partner can see.

p.s. SOS is . . . – – – . . .
カテゴリー
ユーティリティ
リリース
2015/11/14
更新
2016/3/8
バージョン
1.0.1
言語
サイズ
9.2 MB
条件
このバージョンの新機能
- Added video preview to App Store
- Higher pitched tone (700Hz)
スクリーンショット
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