# Spark Photon - distance calc?

**URL:** <https://community.particle.io/t/spark-photon-distance-calc/8318>\
**Category:** uncategorized\
**Created:** [November 21, 2014, 4:56pm UTC](https://community.particle.io/t/spark-photon-distance-calc/8318 "2014-11-21T16:56:13Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![krvarma](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/krvarma/32/3089_2.png) [@krvarma](https://community.particle.io/u/krvarma)\
**Post date:** [November 21, 2014, 5:18pm UTC](https://community.particle.io/t/spark-photon-distance-calc/8318/2 "2014-11-21T17:18:57Z")

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@Gizmo, I have also used the iBeacon for one of my project, I used the distance calculation method described [here](http://stackoverflow.com/questions/20416218/understanding-ibeacon-distancing). I This calculation is used for below project. I am not sure about the Photon Access Point but if we get the RSSI then above calculation can be used to get approximate distance.

> **[Detect iBeacons using Spark Core and BLE Mini](https://community.particle.io/t/detect-ibeacons-using-spark-core-and-ble-mini/5554)**
>
> Detect iBeacons using Spark Core and BLE Mini Here is a sample application I worked after BLE Mini HCI experiment. This sample uses BLE Mini with HCI Firmware to scan iBeacons. I tested with RFDuino with iBeacon example and Apple AirLocate example....

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