Quarter-wave element length

Αποσπάσματα κώδικα

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

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

$ch = curl_init("https://api.oanor.com/antenna-api/v1/quarterwave");
curl_setopt($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/quarterwave",
    headers={"x-oanor-key": "oanor_test_..."}
)

Παράδειγμα απόκρισης

Πραγματική απόκριση αυτού του endpoint, από τον τελευταίο έλεγχο υγείας.

{
    "data": {
        "note": "Quarter-wave vertical/monopole = 0.25 · λ · velocity factor. Needs a ground plane or radials. Rule of thumb: 234 ÷ f(MHz) feet.",
        "input": {
            "frequency_mhz": 14.2,
            "velocity_factor": 0.95
        },
        "element_length": {
            "cm": 501.41,
            "feet": 16.4506,
            "inches": 197.407,
            "metres": 5.0141
        },
        "full_wavelength_m": 21.1121,
        "rule_of_thumb_feet": 16.479
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:16.444Z",
        "request_id": "ee377d91-7b22-4643-86d9-aa71ac749036"
    },
    "status": "ok",
    "message": "Quarter-wave element",
    "success": true
}