Half-wave dipole length

Extraits de code

curl "https://api.oanor.com/antenna-api/v1/dipole" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/antenna-api/v1/dipole", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/antenna-api/v1/dipole");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/antenna-api/v1/dipole",
    headers={"x-oanor-key": "oanor_test_..."}
)

Exemple de réponse

Une réponse réelle de ce endpoint, capturée lors du dernier contrôle de santé.

{
    "data": {
        "note": "Half-wave dipole = 0.5 · λ · velocity factor (≈0.95 for wire). Each leg is half the total. Rule of thumb: 468 ÷ f(MHz) feet.",
        "input": {
            "frequency_mhz": 14.2,
            "velocity_factor": 0.95
        },
        "each_leg": {
            "cm": 501.41,
            "feet": 16.4506,
            "inches": 197.407,
            "metres": 5.0141
        },
        "total_length": {
            "cm": 1002.83,
            "feet": 32.9011,
            "inches": 394.814,
            "metres": 10.0283
        },
        "full_wavelength_m": 21.1121,
        "rule_of_thumb_feet": 32.958
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:16.266Z",
        "request_id": "4d6e1f11-7e2e-4763-bdb7-64767e3339a3"
    },
    "status": "ok",
    "message": "Half-wave dipole",
    "success": true
}