Update README.md

README.md

@@ -70,14 +70,10 @@ The bot will consider an aircraft to be "circling" if:
 2. The centroid of the last 3 minutes worth of positions must be more
    than 2.5 km away from all known airports.
 
-3. The centroid must be located within the county of Los Angeles.
-   (This is just because I don't yet have airport data outside Los
-   Angeles County.)
-
-4. The aircraft must, at the moment of decision, be at an altitude of
+3. The aircraft must, at the moment of decision, be at an altitude of
    300 feet or more.
 
-5. Once an aircraft is considered to be circling, it will be tweeted
+4. Once an aircraft is considered to be circling, it will be tweeted
    about. It won't be eligible to be considered circling/tweeted about
    again until it stops circling and 30 minutes pass.
 
@@ -160,6 +156,10 @@ more than once every 10 seconds.
 * **Do not run the script more often than once every 15 seconds, or
   adsbexchange.com will ban your IP.**
 
+* **Do note that this brings up a test instance that is missing database
+  configuration necessary for tweeting.**
+
+
 
 ## Development
 
@@ -168,3 +168,13 @@ To run a test watcher:
 ```
 npx shadow-cljs watch script test
 ```
+
+## Installation
+
+Once you're confident that you have everything set up correctly, decide what name your instance will have (e.g. "la" for Los Angeles) and run the following:
+
+```
+sudo ./install.sh la
+```
+
+This configure the proper directory tree, load up an aircraft database, install a skeletal systemd script, then configure a specific advisorycircular@la.service instance from your config.yaml and secrets.yaml.