Black Cat Systems
Follow our tweets!

Home
Purchase
News
Mac OS X Software
Mac OS 9 Software
Windows Software
Ham Radio iPhone/iPad
Linux Software
Documentation
Support/FAQ
Update Policy
Lost Reg Code?

Radiation Detectors
USB Icom CI-V Interface
MIL-STD-188 Interface

General Interest Programs

  Atomic Mac/PC
  Audiocorder
  Audio Toolbox
  Black Cat Timer
  Diet Sleuth
  iUnit
  Graffikon
  Graph Paper Maker
  Health Tracker
  Knitting Wizard
  Label Wizard
  Prog Audio Gen
  Sound Byte
  Synth 76477

Amateur Radio Programs
  Audiocorder
  Black Cat CW Keyer
  Cocoa 1090
  Cocoa RTL Server
  DGPS Decoding
  DX Toolbox
  Elmer
  eQSL Factory
  MatchMaker
  MININEC Pro
  Morse Mania
  MultiMode
  mySdrPlayback
  RF Toolbox
  SelCall
  Sonde

iPhone/iPad Apps
  ALE
  Atoms To Go
  dB Calc
  Clik Trak
  DGPS Decoder
  Drill Calc
  DX Toolbox
  Elmer Extra
  Elmer General
  Elmer Tech
  Feld Hellschreiber
  Field Strength Calc
  Function Generator Pad
  GMDSS
  Godafoss
  HF Weather Fax
  iAttenuate
  iFunctionGenerator
  iGeiger
  iSoundex
  iSoundByte
  iSweep
  iUnit
  Morse Mania
  ACARS Pad
  Morse Pad
  NAVTEX Pad
  Packet Pad
  PSK31 Pad
  SSTV Pad
  Photon Calc
  Rad Map Tracker
  RF Link Calc
  SelCall Tone Gen
  Sound Byte
  Sound Byte Control
  Spectrum Pad
  SWBC Schedules
  Synth 76477
  Synth Motion
  Transmission Line Calc
  Weather Calc
  Wire Calc

iPhone/iPad Bundles
  RF Calculator Apps
  Ham Radio Decoder Apps
  Audio Utility Apps
  Shortwave Weather Apps
  Ham Radio Exam Study Apps
  Shortwave Decoder Apps

Android Apps
  ACARS
  Audio Function Generator
  
DGPS Decoder
  HF Weather Fax
  NAVTEX
  Rad Map Tracker
  SelCall Tone Gen
  Sound Byte Control
  SWBC Schedules
  Wire Calc

About Black Cat Systems
Geiger Counter
Site Map
Our software for Mac OSX
Privacy Policy
Press/Media
HFunderground
Apple /// Emulator

Macintosh Links
Shortwave Radio
Pirate Radio
Spy Numbers Stations
Science and Electronics
Ham Radio Software
Geiger Counters


   

iGeiger

iPhone Ratemeter Software to Display Geiger Counter Readings

Instructions:

  • Position the geiger counter (or other source of clicks) next to the device's microphone.
  • Set the period in seconds, typical 60 is used for a one minute sliding average.
  • Optionally turn Normalize on if a different period is used, and it is desired to normalize readings to one minute.
  • Starting at the maximum value, adjust the threshold slider until clicks are detected.
  • The delay slider can be used if single clicks are being interpreted as multiple clicks by sliding it to the right. The maximum delay is about a quarter of a second. This is used to produce a "dead time" during which clicks will not be registered.
The displayed CPM reading will be in gray until the first measurement period has elapsed, it will then turn black to indicate the reading is valid.

Touching the info button in the lower right corner will bring up the graph of readings. The graphed values are displayed with a blue line through them, and a red best fit line is also displayed. This fit is a moving average of five samples, so it will be a straight line until you have more than five samples. Touching the info button on the graphing view will bring you back to the main view.

If the recording switch is turned on, readings will be saved to a file, the name of the file is a timestamp of when the recording file was started.

If the Location switch is turned on, your location will also be written with each reading. If your device does not provide location information, the switch will automatically turn back off.

You can access saved recording files on your computer via iTunes:

  • Go to iTunes, and select your iPad from the DEVICES list at the left
  • Tap the Apps tab
  • Under File Sharing, select iGeiger from the list of Apps
  • All of the recording files will be under iGeiger Documents. You can transfer these files to your computer.

The format of a recording line is:

DATE TIME,CPM,LONGITUDE,LATITUDE,ALTITUDE

A typical recording line is:

2011-10-15 17:50:14,43,-77.3745,38.3013,252.054

Here are some details on directly connecting an audio line source to your iPad/iPhone/iPod Touch


Email your comments and questions to support@blackcatsystems.com

Last modified October 24, 2011