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/12313/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 12313,
    "uuid": "0604b6ac4fb24640895c84a25edfd078",
    "title": "Sentinel 1 Synthetic Aperture Radar (SAR)",
    "abstract": "The  C-band Synthetic Aperture Radar (SAR) flown on the Sentinel 1 series of satellites is an instrument providing high resolution all-weather day and night radar coverage of the Earth's surface.\r\nSentinel 1A was launched on 3rd April 2014 and Sentinel 1B was launched on 25th April 2016. This instrument has four acquisition modes; Stripmap (SM), Interferometric Wide Swath (IW), Extra Wide Swath (EW), and Wave (WV).",
    "keywords": "Sentinel, radar, Synthetic Aperture Radar, SAR",
    "identifier_set": [],
    "instrumentType": "radar",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47020/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/47019/?format=api"
    ]
}