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Safecast

By Safecast

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Description

The official Safecast app brings our extensive dataset of radiation measurements to your mobile device, and provides a full toolset to help you perform measurements with your own instrument such as a Geiger or scintillation counter (not included). The app functions as a virtual geiger counter, allowing you to see your location on a map while displaying radiation readings that have been taken nearby.

In addition to the full Safecast dataset, you can browse data from a variety of sources including:
• The US Department of Energy / NNSA
• USGS and Canadian Geological Survey
• US EPA

This data includes extensive post-Fukushima surveys of Japan, aerial surveys of almost the entire North American continent and other global data. Specialized databases include distribution of Cesium isotopes in Japan, and naturally occurring uranium concentrations in the US.

Visualization tools allow you to change map backgrounds and coloring to enhance contrast between measurements allowing you to create customized views and see best how natural and man-made sources of radioactivity vary around you.

Additionally, the app functions as both a "click counter" and a multichannel analyzer.

Click counter functionality allows the app to interface with Geiger counters (line input cable recommended) and provide a display and dose rate for even the simplest devices.

The software-based MCA allows for gamma spectroscopy and isotope identification with a scintillation counter. The full IAEA recommended gamma energies table for 208 radionuclides is included. (further software configuration and test sources for energy calibration are required)

Your own measurements can be logged and displayed on the map, or shared and exported via a CSV file as an email attachment.

Finally, your measurements can be sent back to Safecast itself-- allowing you to contribute measurement data and share it with others.

About Safecast:

• Safecast is a global sensor network for collecting and sharing radiation measurements to empower people with data about their environments.
• To contribute measurement data to Safecast from the app, create a free account at http://api.safecast.org

What's New in Version 1.7.1

App:
- Performance improvements, reduced power consumption, misc bugfixes.

Maps:
- Tile engine: improved performance and reduced memory use.
- "Highlight changes" layer sensitivity increased by 1000x. Additionally, the entire tile is now slightly tinted to make finding changes between dataset updates easier.
- Realtime IDW interpolation available as a custom layer preprocessing effect. This interpolates a continuous surface of values from scattered points, such as measurements collected along roads. The results should not be considered statistically valid.

Gamma Spectroscopy:
- Significantly improved gamma spectroscopy DSP in accuracy, compatibility, and acquisition rate. Thanks and credit to Marek Dolleiser.
- Existing spectroscopy users: you will need to re-train your pulse shape.
- Expanded in-app setup help.
- Histogram: faster refresh rate.

Oscilloscope:
- Oscilloscope display of input waveform added to assist with setup and troubleshooting hardware.
- Note: this is displayed using the gamma spectroscopy histogram. Gamma spectroscopy mode must be disabled to see it.

CPM / Dose Rate Display:
- Smoothing added to primary numeric rate display for a connected device.
- This can be disabled in Settings -> Display if desired.



アプリ:
- パフォーマンスの向上、消費電力の低減、その他バグ修正。

地図:
- タイルエンジン:パフォーマンスの向上と使用メモリの低減。
- “変化が強調表示”されたレイヤーの感度を1000倍に増強 。さらに、全体のタイルはデータセットの更新による変化が簡単にわかるように薄く着色される。
- カスタムレイヤーの前処理効果としてリアルタイムIDWの挿入が可能となる。これにより、道路沿いに収集した測定結果等のように統計的には無効と考えられるような分散した測定点から、連続した表面へと有用性が高められた。

ガンマ線分光法:
- 正確性、互換性、および取得率が大幅に改善されたガンマ線分光DSP は、Marek Dolleiser氏の功績であり謝意を表する。
- 既存分光器のユーザー:パルス形状を再調整する必要あり。
- アプリ内のセットアップヘルプの拡大。
- ヒストグラム:更新頻度の向上。

オシロスコープ :
-ハードウェアの設定とトラブルシューティング支援機能としてオシロスコープによる入力波形表示が追加された。
- 注:これはガンマ線分光ヒストグラムを使用して表示される。これを見るためには、ガンマ線分光モードを無効にする必要がある。

CPM /線量率表示:
-接続デバイス用の主要な数値レート表示に平滑化機能を追加。
- これは設定で無効にすることができる(必要に応じてディズプレイに表示)。

Screenshots

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Safecast
View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Utilities
  • Updated: Mar 22, 2014
  • Version: 1.7.1
  • Size: 174 MB
  • Languages: English, French, German, Japanese, Russian
  • Seller: Momoko Ito Foundation

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Customer Ratings

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