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Open Aviation
We are a group of passionate researchers and professionals working to make access to aviation data and models open.
Public
Edited
Mar 14
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example_msg = "8c4841753a9a153237aef0f275be"
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rs1090.decode(example_msg)
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b = hexStringToU8Array(example_msg)
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df = b[0] >> 3 // The 5 first bits are the downlink format (8 bits shifted by 3 = 5 bits)
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icao24 = example_msg.slice(2, 8)
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tc = b[4] >> 3 // The 5 first bits of the 5th block
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rs1090.decode("8c4841753a9a153237aef0f275bf")
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df20_message = "a0001838e519f33160240142d7fa"
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df21_message = "a8001ebcfffb23286004a73f6a5b"
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rs1090.decode(df20_message).icao24
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rs1090.decode("a0001838e519f33160240142d7fb").icao24 // no CRC-check
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rs1090.decode(df20_message)
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rs1090.decode("210000991bb795") // DF 4 messages are shorter
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rs1090.decode(df21_message)
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rs1090.decode("2b20178d67e392") // DF 5 messages are shorter too
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rs1090.decode_bds05(df20_message)
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rs1090.decode_bds10(df20_message)
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rs1090.decode_bds17(df20_message)
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rs1090.decode_bds20(df20_message)
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rs1090.decode_bds21(df20_message)
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rs1090.decode_bds30(df20_message)
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rs1090.decode_bds40(df20_message)
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rs1090.decode_bds44(df20_message)
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rs1090.decode_bds45(df20_message)
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rs1090.decode_bds50(df20_message)
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rs1090.decode_bds60(df20_message)
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rs1090.decode_bds65(df20_message) // should be an error since not 31
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rs1090.decode(df20_message)
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rs1090.decode(df21_message)
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rs1090_unpkg = {
let module = await import("https://unpkg.com/rs1090-wasm/web/rs1090_wasm.js");
await module.default("https://unpkg.com/rs1090-wasm/web/rs1090_wasm_bg.wasm");
module.run(); // get better error messages if the Rust code panics
return module;
}
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function hexStringToU8Array(hexString) {
if (hexString.length % 2 !== 0) {
throw new Error("Invalid hex string length");
}

const u8Array = new Uint8Array(hexString.length / 2);
for (let i = 0; i < hexString.length; i += 2) {
u8Array[i / 2] = parseInt(hexString.slice(i, i + 2), 16);
}
return u8Array;
}
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hexStringToU8Array("2b20178d67e392")
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rs1090_dev = {
let module = await import("http://localhost:8765/pkg/web/rs1090_wasm.js");
await module.default("http://localhost:8765/pkg/web/rs1090_wasm_bg.wasm");
module.run();
return module;
}
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rs1090.decode("a0ef") // Message too short
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rs1090.decode("a0efa0efa0efa0efa0efa0efa0efa0") // Message too long
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rs1090.decode("8c4841753a9a153237aef0f275bg") // Non hexa-decimal data
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rs1090.airport_information("toulouse")[0]
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rs1090.aircraft_information("4ca7b5")
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