HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
[
{
"id": 2,
"date_created": "2026-08-29T04:59:09.226910Z",
"schema": {
"$schema": "http://json-schema.org/draft-04/schema",
"description": "Permissive schema: accepts any JSON value."
}
},
{
"id": 1,
"date_created": "2026-08-27T12:25:12.188713Z",
"schema": {
"$schema": "http://json-schema.org/draft-04/schema#",
"id": "https://example.org/schemas/transmitter.v2.json",
"title": "Transmitter",
"type": "object",
"additionalProperties": false,
"required": [
"name",
"uuid",
"center_freq",
"occupied_bandwidth",
"drift",
"clock_drift",
"transmission_mode",
"audible"
],
"properties": {
"name": {
"type": "string",
"title": "Transmitter Name"
},
"uuid": {
"type": "string",
"title": "UUID"
},
"center_freq": {
"type": "number",
"minimum": 0,
"exclusiveMinimum": true,
"title": "Center Frequency (Hz)"
},
"occupied_bandwidth": {
"type": "number",
"minimum": 0,
"exclusiveMinimum": true,
"title": "Occupied Bandwidth (Hz)"
},
"drift": {
"type": "number",
"title": "Frequency Drift (Hz)"
},
"clock_drift": {
"type": "integer",
"title": "Clock Drift (ppm)"
},
"audible": {
"type": "boolean",
"title": "Audible"
},
"transmission_mode": {
"type": "array",
"minItems": 1,
"title": "Transmission Modes",
"items": {
"$ref": "#/definitions/TransmissionMode"
}
}
},
"definitions": {
"TransmissionMode": {
"type": "object",
"additionalProperties": false,
"required": [
"name",
"modulation",
"framing"
],
"properties": {
"name": {
"type": "string",
"title": "Mode Name"
},
"modulation": {
"$ref": "#/definitions/ModulationWrapper"
},
"framing": {
"$ref": "#/definitions/FramingWrapper"
}
}
},
"ModulationWrapper": {
"title": "Modulation",
"type": "object",
"oneOf": [
{
"title": "AFSK",
"required": [
"afsk"
],
"additionalProperties": false,
"properties": {
"afsk": {
"$ref": "#/definitions/AFSK"
}
}
},
{
"title": "FSK",
"required": [
"fsk"
],
"additionalProperties": false,
"properties": {
"fsk": {
"$ref": "#/definitions/FSK"
}
}
},
{
"title": "CW",
"required": [
"cw"
],
"additionalProperties": false,
"properties": {
"cw": {
"$ref": "#/definitions/CW"
}
}
},
{
"title": "FM",
"required": [
"fm"
],
"additionalProperties": false,
"properties": {
"fm": {
"$ref": "#/definitions/FM"
}
}
}
]
},
"AFSK": {
"type": "object",
"title": "AFSK",
"additionalProperties": false,
"required": [
"baudrate",
"modulation_index",
"mark_tone",
"space_tone"
],
"properties": {
"baudrate": {
"type": "number",
"title": "Baudrate (sym/s)"
},
"modulation_index": {
"type": "integer",
"title": "Modulation Index"
},
"mark_tone": {
"type": "number",
"title": "Mark Tone (Hz)"
},
"space_tone": {
"type": "number",
"title": "Space Tone (Hz)"
}
}
},
"FSK": {
"type": "object",
"title": "FSK",
"additionalProperties": false,
"required": [
"baudrate",
"modulation_index"
],
"properties": {
"baudrate": {
"type": "number",
"title": "Baudrate (sym/s)"
},
"modulation_index": {
"type": "number",
"title": "Modulation Index"
},
"filter": {
"$ref": "#/definitions/Filter"
}
}
},
"CW": {
"type": "object",
"title": "CW",
"additionalProperties": false,
"required": [
"wpm"
],
"properties": {
"wpm": {
"type": "number",
"title": "WPM (PARIS)"
},
"wpm_deviation": {
"type": "number",
"title": "WPM Deviation"
},
"header": {
"type": "string",
"title": "Message Header"
},
"tone_freq": {
"type": "number",
"title": "Tone Frequency (Hz)"
}
}
},
"FM": {
"type": "object",
"title": "FM",
"additionalProperties": false,
"properties": {
"audio_bandwidth": {
"type": "number",
"title": "Audio Bandwidth (Hz)"
},
"deemphasis": {
"type": "number",
"title": "De-emphasis"
}
}
},
"Filter": {
"type": "object",
"title": "Filter",
"additionalProperties": false
},
"FramingWrapper": {
"title": "Framing",
"type": "object",
"oneOf": [
{
"title": "AX.25",
"required": [
"ax25"
],
"additionalProperties": false,
"properties": {
"ax25": {
"$ref": "#/definitions/AX25"
}
}
},
{
"title": "AX100 Mode 5",
"required": [
"ax100_mode5"
],
"additionalProperties": false,
"properties": {
"ax100_mode5": {
"$ref": "#/definitions/AX100Mode5"
}
}
},
{
"title": "AX100 Mode 6",
"required": [
"ax100_mode6"
],
"additionalProperties": false,
"properties": {
"ax100_mode6": {
"$ref": "#/definitions/AX100Mode6"
}
}
},
{
"title": "IEEE 802.15.4",
"required": [
"ieee802_15_4"
],
"additionalProperties": false,
"properties": {
"ieee802_15_4": {
"$ref": "#/definitions/IEEE802_15_4"
}
}
}
]
},
"GenericFraming": {
"type": "object",
"title": "Generic Framing Options",
"additionalProperties": false,
"properties": {
"coding": {
"$ref": "#/definitions/CodingWrapper"
},
"whitening_polynomial": {
"type": "string",
"title": "Whitening Polynomial"
},
"checksum_polynomial": {
"type": "string",
"title": "Checksum Polynomial"
}
}
},
"AX25": {
"type": "object",
"title": "AX.25",
"additionalProperties": false,
"properties": {
"diff_encoding": {
"type": "boolean",
"title": "Differential Encoding"
},
"invert": {
"type": "boolean",
"title": "Invert Bits"
},
"whitening_polynomial": {
"type": "string",
"title": "Whitening Polynomial"
}
}
},
"AX100Mode5": {
"type": "object",
"title": "AX100 Mode 5",
"additionalProperties": false,
"properties": {
"preamble": {
"type": "string",
"title": "Preamble (bytes)"
},
"sync_word": {
"type": "string",
"title": "Sync Word (bytes)"
},
"framing_options": {
"$ref": "#/definitions/GenericFraming"
}
}
},
"AX100Mode6": {
"type": "object",
"title": "AX100 Mode 6",
"additionalProperties": false,
"properties": {
"ax25_scrambling": {
"type": "boolean",
"title": "AX.25 Scrambling"
},
"framing_options": {
"$ref": "#/definitions/GenericFraming"
}
}
},
"IEEE802_15_4": {
"type": "object",
"title": "IEEE 802.15.4",
"additionalProperties": false,
"properties": {
"framing_options": {
"$ref": "#/definitions/GenericFraming"
}
}
},
"CodingWrapper": {
"title": "Coding",
"type": "object",
"oneOf": [
{
"title": "Reed-Solomon",
"required": [
"rs"
],
"additionalProperties": false,
"properties": {
"rs": {
"$ref": "#/definitions/ReedSolomon"
}
}
},
{
"title": "Golay",
"required": [
"golay"
],
"additionalProperties": false,
"properties": {
"golay": {
"$ref": "#/definitions/GolayCode"
}
}
},
{
"title": "Turbo",
"required": [
"turbo"
],
"additionalProperties": false,
"properties": {
"turbo": {
"$ref": "#/definitions/TurboCode"
}
}
},
{
"title": "LDPC",
"required": [
"ldpc"
],
"additionalProperties": false,
"properties": {
"ldpc": {
"$ref": "#/definitions/LDPCCode"
}
}
}
]
},
"ReedSolomon": {
"type": "object",
"title": "Reed-Solomon",
"additionalProperties": false,
"required": [
"block_len",
"message_len"
],
"properties": {
"block_len": {
"type": "integer",
"title": "Block Length (n)"
},
"message_len": {
"type": "integer",
"title": "Message Length (k)"
}
}
},
"GolayCode": {
"type": "object",
"title": "Golay",
"additionalProperties": false,
"required": [
"block_len",
"message_len",
"distance"
],
"properties": {
"block_len": {
"type": "integer",
"title": "Block Length (n)"
},
"message_len": {
"type": "integer",
"title": "Message Length (k)"
},
"distance": {
"type": "integer",
"title": "Minimum Distance"
}
}
},
"TurboCode": {
"type": "object",
"title": "Turbo Code",
"additionalProperties": false
},
"LDPCCode": {
"type": "object",
"title": "LDPC Code",
"additionalProperties": false
}
}
}
}
]