{
  "x402Version": 2,
  "id": 73328,
  "slug": "saylorinnovations-api-ham-link-budget",
  "resource": "https://saylorinnovations.com/api/ham/link-budget",
  "description": "Path loss, received power, margin, maximum range and Fresnel clearance",
  "type": "http",
  "serviceName": "Saylor Innovations  Radio Link B",
  "mimeType": "application/json",
  "resourceType": "API",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "asset": "So11111111111111111111111111111111111111112",
      "amount": "95943",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "cable_loss_db": "1.5",
            "distance_km": "5",
            "fade_margin_db": "10",
            "frequency_mhz": "915",
            "rx_gain_dbi": "3",
            "rx_height_m": "3",
            "rx_sensitivity_dbm": "-127",
            "tx_gain_dbi": "3",
            "tx_height_m": "10",
            "tx_power_dbm": "20"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "received_dbm": -81.1
          }
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "input": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "type": "string",
                "enum": [
                  "GET"
                ]
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "cable_loss_db": {
                    "type": "string",
                    "description": "optional total cable and connector loss, default 1 (query)"
                  },
                  "distance_km": {
                    "type": "string",
                    "description": "required link distance in km (query)"
                  },
                  "fade_margin_db": {
                    "type": "string",
                    "description": "optional wanted margin, default 10 (query)"
                  },
                  "frequency_mhz": {
                    "type": "string",
                    "description": "required frequency in MHz (query)"
                  },
                  "rx_gain_dbi": {
                    "type": "string",
                    "description": "optional receive antenna gain, default 0 (query)"
                  },
                  "rx_height_m": {
                    "type": "string",
                    "description": "optional receive antenna height, default 2 (query)"
                  },
                  "rx_sensitivity_dbm": {
                    "type": "string",
                    "description": "optional receiver sensitivity, default -120 (query)"
                  },
                  "tx_gain_dbi": {
                    "type": "string",
                    "description": "optional transmit antenna gain, default 0 (query)"
                  },
                  "tx_height_m": {
                    "type": "string",
                    "description": "optional transmit antenna height for the horizon, default 2 (query)"
                  },
                  "tx_power_dbm": {
                    "type": "string",
                    "description": "required transmit power in dBm (30 dBm = 1 W) (query)"
                  }
                },
                "required": [
                  "distance_km",
                  "frequency_mhz",
                  "tx_power_dbm"
                ]
              }
            },
            "required": [
              "type",
              "method"
            ],
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "const": "json"
              },
              "example": {
                "type": "object"
              }
            },
            "required": [
              "type"
            ]
          }
        },
        "required": [
          "input"
        ]
      }
    }
  },
  "tags": [
    "3d-printing",
    "woodworking",
    "knitting",
    "quilting",
    "drone"
  ],
  "sourceHost": "saylorinnovations.com",
  "lastUpdated": "2026-10-27T22:42:09.822Z",
  "quality": {},
  "metadata": {
    "serviceName": "Saylor Innovations  Radio Link B",
    "method": "GET",
    "mimeType": "application/json",
    "inputSchema": {
      "type": "object",
      "properties": {
        "cable_loss_db": {
          "type": "string",
          "description": "optional total cable and connector loss, default 1 (query)"
        },
        "distance_km": {
          "type": "string",
          "description": "required link distance in km (query)"
        },
        "fade_margin_db": {
          "type": "string",
          "description": "optional wanted margin, default 10 (query)"
        },
        "frequency_mhz": {
          "type": "string",
          "description": "required frequency in MHz (query)"
        },
        "rx_gain_dbi": {
          "type": "string",
          "description": "optional receive antenna gain, default 0 (query)"
        },
        "rx_height_m": {
          "type": "string",
          "description": "optional receive antenna height, default 2 (query)"
        },
        "rx_sensitivity_dbm": {
          "type": "string",
          "description": "optional receiver sensitivity, default -120 (query)"
        },
        "tx_gain_dbi": {
          "type": "string",
          "description": "optional transmit antenna gain, default 0 (query)"
        },
        "tx_height_m": {
          "type": "string",
          "description": "optional transmit antenna height for the horizon, default 2 (query)"
        },
        "tx_power_dbm": {
          "type": "string",
          "description": "required transmit power in dBm (30 dBm = 1 W) (query)"
        }
      },
      "required": [
        "distance_km",
        "frequency_mhz",
        "tx_power_dbm"
      ]
    },
    "exampleResponse": {
      "received_dbm": -81.1
    },
    "parameterLocation": "query",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "cable_loss_db": "1.5",
              "distance_km": "5",
              "fade_margin_db": "10",
              "frequency_mhz": "915",
              "rx_gain_dbi": "3",
              "rx_height_m": "3",
              "rx_sensitivity_dbm": "-127",
              "tx_gain_dbi": "3",
              "tx_height_m": "10",
              "tx_power_dbm": "20"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "received_dbm": -81.1
            }
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "type": "object",
          "properties": {
            "input": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "type": "string",
                  "enum": [
                    "GET"
                  ]
                },
                "queryParams": {
                  "type": "object",
                  "properties": {
                    "cable_loss_db": {
                      "type": "string",
                      "description": "optional total cable and connector loss, default 1 (query)"
                    },
                    "distance_km": {
                      "type": "string",
                      "description": "required link distance in km (query)"
                    },
                    "fade_margin_db": {
                      "type": "string",
                      "description": "optional wanted margin, default 10 (query)"
                    },
                    "frequency_mhz": {
                      "type": "string",
                      "description": "required frequency in MHz (query)"
                    },
                    "rx_gain_dbi": {
                      "type": "string",
                      "description": "optional receive antenna gain, default 0 (query)"
                    },
                    "rx_height_m": {
                      "type": "string",
                      "description": "optional receive antenna height, default 2 (query)"
                    },
                    "rx_sensitivity_dbm": {
                      "type": "string",
                      "description": "optional receiver sensitivity, default -120 (query)"
                    },
                    "tx_gain_dbi": {
                      "type": "string",
                      "description": "optional transmit antenna gain, default 0 (query)"
                    },
                    "tx_height_m": {
                      "type": "string",
                      "description": "optional transmit antenna height for the horizon, default 2 (query)"
                    },
                    "tx_power_dbm": {
                      "type": "string",
                      "description": "required transmit power in dBm (30 dBm = 1 W) (query)"
                    }
                  },
                  "required": [
                    "distance_km",
                    "frequency_mhz",
                    "tx_power_dbm"
                  ]
                }
              },
              "required": [
                "type",
                "method"
              ],
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "const": "json"
                },
                "example": {
                  "type": "object"
                }
              },
              "required": [
                "type"
              ]
            }
          },
          "required": [
            "input"
          ]
        }
      }
    },
    "examples": [
      {
        "label": "Unpaid discovery call",
        "method": "GET",
        "url": "https://saylorinnovations.com/api/ham/link-budget?frequency_mhz=915&distance_km=5&tx_power_dbm=20&tx_gain_dbi=3&rx_gain_dbi=3&cable_loss_db=1.5&rx_sensitivity_dbm=-127&fade_margin_db=10&tx_height_m=10&rx_height_m=3",
        "expectedStatus": 402
      }
    ],
    "cacheTtlSeconds": 0,
    "capabilities": [],
    "noAccountRequired": true,
    "noApiKeyRequired": true,
    "sideEffects": "Paid calls settle the advertised payment; see the provider contract for execution behavior.",
    "payment": {
      "protocol": "x402",
      "settlement": "direct-to-provider"
    },
    "provider": {
      "name": "Saylor Innovations",
      "host": "saylorinnovations.com",
      "manifestUrl": "https://saylorinnovations.com/.well-known/x402.json"
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": true,
  "featured": false,
  "provider": {
    "host": "saylorinnovations.com",
    "manifest_name": "Saylor Innovations Knowledge Base",
    "source": "submitted",
    "source_manifest_url": "https://saylorinnovations.com/.well-known/x402.json",
    "submitted_at": "2026-10-26T05:52:02.113Z"
  },
  "exampleResponse": {
    "received_dbm": -81.1
  }
}