Get a list of Instrument objects. Instruments have a 1:1 mapping with Observations.

### Available end points:

- `/instruments/` - Will list all Instruments in the database
- `/instruments.json` - Will return all Instruments in json format
- `/instruments/<object_id>/` - Returns Instruments object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `title`
- `uuid`
- `keywords`
- `instrumentType`

### How to use filters:

- `/instruments/?title__startwith!=Instrument.title: DETAILS NEEDED`
- `/instruments/?uuid=c7fa005e2095425392b18adbd7b40617`
- `/instruments.json?instrumentType=radiometer`

GET /api/v2/instruments/4418/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 4418,
    "uuid": "4e841d09046c47d2a3d862626f00629f",
    "title": "Wind Profiler radar",
    "abstract": "Wind-profiler radars are instruments which provide wind measurements and turbulence information as a function of altitude in most weather conditions. Doppler radars probe the atmosphere and derive the wind profile (i.e. the speed and direction as function of height) from echoes of the transmitted radio waves produced by turbulence in the clear air.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2972/?format=api"
    ],
    "instrumentType": "radar",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20825/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/20824/?format=api"
    ]
}