airport -I | rjc airport

{
    "agrCtlRSSI":      i32,
    "agrExtRSSI":      i32,
    "agrCtlNoise":     i32,
    "agrExtNoise":     i32,
    "state":           String,
    "op mode":         String,
    "lastTxRate":      i32,
    "maxRate":         i32,
    "lastAssocStatus": i32,
    "802.11 auth":     String,
    "link auth":       String,
    "BSSID":           String,
    "SSID":            String,
    "MCS":             i32,
    "guardInterval":   i32,
    "NSS":             i32,
    "channel":         String,
}

$ airport -I | rjc -o=pretty airport
{
    "agrCtlRSSI": -31,
    "agrExtRSSI": 0,
    "agrCtlNoise": 86,
    "agrExtNoise": 0,
    "state": "running",
    "op mode": "station",
    "lastTxRate": 866,
    "maxRate": 867,
    "lastAssocStatus": 0,
    "802.11 auth": "open",
    "link auth": "wpa2-psk",
    "BSSID": "",
    "SSID": "MSHOME",
    "MCS": 9,
    "guardInterval": 400,
    "NSS": 2,
    "channel": "149,80"
}