Partial draft of Airspy tuner wiki page

Airspy.md

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+# Airspy #
+
+## Tuner Configurations ##
+
+SDRTrunk allows you to define multiple named tuner configurations per tuner
+type.  A **Default** configuration is automatically created the first time you
+use each specific tuner type and will be recreated again if you accidentally
+delete or rename the **Default** configuration.
+
+Each time you plug your USB tuner into a new USB port, it will automatically
+use the **Default** tuner configuration.  If you select a different named
+configuration, SDRTrunk will remember to use that named configuration each time
+you use the USB tuner in that specific USB port.  If you create a named
+configuration for your tuner and subsequently move the tuner to a different
+USB port, simply select that named configuration from the drop-down list and it
+will store that port to named configuration setting.
+
+All changes to a named configuration are automatically saved.
+
+## Configuration ##
+
+  * **Frequency** - sets the tuned frequency
+  * **Config Tab** - controls for changing tuner configuration
+  * **Info Tab** - displays information about the tuner
+
+### Configuration Tab ###
+
+  * **Configuration Selection List** - selects a named configuration to use.  Automatically applies the corresponding settings to the tuner
+  * **Name** - tuner configuration name.
+
+  * **New** - creates a new named tuner configuration
+  * **Delete** - deletes the currently listed tuner configuration
+
+### Info Tab ###
+The info tab displays information about the tuner:
+
+  * **Serial** - serial number of the Airspy tuner.
+
+## Using the Airspy ##
+
+## Updating Firmware ##
+
+The firmware label shown on the Info tab is the GIT revision label that was
+tagged against the software release.  SDRTrunk does not support
+flashing the Airspy with new firmware.  Use the Airspy tools to update the
+tuner.
+
+## Using Airspy With Linux ##
+
+If you've never setup your airspy for linux, you'll need to add permissions to allow users to access the airspy:
+
+1. Copy the file **\config\52-airspy.rules** from the sdrtrunk application folder to your **\etc\udev\rules.d** folder.  You'll need root permissions to access the rules.d folder.
+2. After creating the rules file, either reboot or run the command **udevadm control --reload-rules** as root to instruct udev to reload all rule files.