diff --git a/package.json b/package.json
index 23fb7b2..7cdf9ae 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
     "vitest": "^4.0.18"
   },
   "dependencies": {
-    "@hamradio/packet": "^1.1.0"
+    "@hamradio/packet": "^1.1.0",
+    "extended-nmea": "^2.1.3"
   }
 }
diff --git a/src/frame.ts b/src/frame.ts
index bce0e6c..0e81a34 100644
--- a/src/frame.ts
+++ b/src/frame.ts
@@ -11,9 +11,24 @@ import type {
   ObjectPayload,
   ItemPayload,
   StatusPayload,
+  QueryPayload,
+  TelemetryDataPayload,
+  TelemetryBitSensePayload,
+  TelemetryCoefficientsPayload,
+  TelemetryParameterPayload,
+  TelemetryUnitPayload,
+  WeatherPayload,
+  RawGPSPayload,
 } from "./frame.types";
 import { Position } from "./position";
 import { base91ToNumber } from "./parser";
+import {
+  DTM,
+  GGA,
+  INmeaSentence,
+  Decoder as NmeaDecoder,
+  RMC,
+} from "extended-nmea";
 
 export class Timestamp implements ITimestamp {
   day?: number;
@@ -385,10 +400,9 @@ export class Frame implements IFrame {
       // Parse timestamp if present (7 characters: DDHHMMz or HHMMSSh or MMDDHMMM)
       if (hasTimestamp) {
         if (this.payload.length < 8) return { payload: null };
-        const timestampOffset = offset;
         const timeStr = this.payload.substring(offset, offset + 7);
         const { timestamp: parsedTimestamp, segment: timestampSegment } =
-          this.parseTimestamp(timeStr, withStructure, timestampOffset);
+          this.parseTimestamp(timeStr, withStructure);
         timestamp = parsedTimestamp;
 
         if (timestampSegment) {
@@ -401,7 +415,6 @@ export class Frame implements IFrame {
       if (this.payload.length < offset + 19) return { payload: null };
 
       // Check if compressed format
-      const positionOffset = offset;
       const isCompressed = this.isCompressedPosition(
         this.payload.substring(offset),
       );
@@ -415,7 +428,6 @@ export class Frame implements IFrame {
           this.parseCompressedPosition(
             this.payload.substring(offset),
             withStructure,
-            positionOffset,
           );
         if (!compressed) return { payload: null };
 
@@ -441,7 +453,6 @@ export class Frame implements IFrame {
           this.parseUncompressedPosition(
             this.payload.substring(offset),
             withStructure,
-            positionOffset,
           );
         if (!uncompressed) return { payload: null };
 
@@ -1438,7 +1449,6 @@ export class Frame implements IFrame {
       const { timestamp, segment: tsSegment } = this.parseTimestamp(
         timeStr,
         withStructure,
-        offset,
       );
       if (timestamp) {
         offset += 7;
@@ -1472,7 +1482,7 @@ export class Frame implements IFrame {
       const timeSegment = segments.find((s) => s.name === "timestamp");
       if (timeSegment) {
         const tsStr = new TextDecoder().decode(timeSegment.data);
-        const { timestamp } = this.parseTimestamp(tsStr, false, 0);
+        const { timestamp } = this.parseTimestamp(tsStr, false);
         if (timestamp) payload.timestamp = timestamp;
       }
     }
@@ -1496,32 +1506,531 @@ export class Frame implements IFrame {
     payload: Payload | null;
     segment?: Segment[];
   } {
-    // TODO: Implement query decoding with section emission
-    return { payload: withStructure ? null : null };
+    try {
+      if (this.payload.length < 2) return { payload: null };
+
+      // Skip data type identifier '?'
+      const segments: Segment[] = withStructure ? [] : [];
+
+      // Remaining payload
+      const rest = this.payload.substring(1).trim();
+      if (!rest) return { payload: null };
+
+      // Query type is the first token (up to first space)
+      const firstSpace = rest.indexOf(" ");
+      let queryType = "";
+      let target: string | undefined = undefined;
+
+      if (firstSpace === -1) {
+        queryType = rest;
+      } else {
+        queryType = rest.substring(0, firstSpace);
+        target = rest.substring(firstSpace + 1).trim();
+        if (target === "") target = undefined;
+      }
+
+      if (!queryType) return { payload: null };
+
+      if (withStructure) {
+        // Emit query type section
+        segments.push({
+          name: "query type",
+          data: new TextEncoder().encode(queryType).buffer,
+          isString: true,
+          fields: [
+            { type: FieldType.STRING, name: "type", length: queryType.length },
+          ],
+        });
+
+        if (target) {
+          segments.push({
+            name: "query target",
+            data: new TextEncoder().encode(target).buffer,
+            isString: true,
+            fields: [
+              { type: FieldType.STRING, name: "target", length: target.length },
+            ],
+          });
+        }
+      }
+
+      const payload: QueryPayload = {
+        type: "query",
+        queryType,
+        ...(target ? { target } : {}),
+      };
+
+      if (withStructure) return { payload, segment: segments };
+      return { payload };
+    } catch {
+      return { payload: null };
+    }
   }
 
   private decodeTelemetry(withStructure: boolean = false): {
     payload: Payload | null;
     segment?: Segment[];
   } {
-    // TODO: Implement telemetry decoding with section emission
-    return { payload: withStructure ? null : null };
+    try {
+      if (this.payload.length < 2) return { payload: null };
+
+      const rest = this.payload.substring(1).trim();
+      if (!rest) return { payload: null };
+
+      const segments: Segment[] = withStructure ? [] : [];
+
+      // Telemetry data: convention used here: starts with '#' then sequence then analogs and digital
+      if (rest.startsWith("#")) {
+        const parts = rest.substring(1).trim().split(/\s+/);
+        const seq = parseInt(parts[0], 10);
+        let analog: number[] = [];
+        let digital = 0;
+
+        if (parts.length >= 2) {
+          // analogs as comma separated
+          analog = parts[1].split(",").map((v) => parseFloat(v));
+        }
+
+        if (parts.length >= 3) {
+          digital = parseInt(parts[2], 10);
+        }
+
+        if (withStructure) {
+          segments.push({
+            name: "telemetry sequence",
+            data: new TextEncoder().encode(String(seq)).buffer,
+            isString: true,
+            fields: [
+              {
+                type: FieldType.STRING,
+                name: "sequence",
+                length: String(seq).length,
+              },
+            ],
+          });
+
+          segments.push({
+            name: "telemetry analog",
+            data: new TextEncoder().encode(parts[1] || "").buffer,
+            isString: true,
+            fields: [
+              {
+                type: FieldType.STRING,
+                name: "analogs",
+                length: (parts[1] || "").length,
+              },
+            ],
+          });
+
+          segments.push({
+            name: "telemetry digital",
+            data: new TextEncoder().encode(String(digital)).buffer,
+            isString: true,
+            fields: [
+              {
+                type: FieldType.STRING,
+                name: "digital",
+                length: String(digital).length,
+              },
+            ],
+          });
+        }
+
+        const payload: TelemetryDataPayload = {
+          type: "telemetry-data",
+          sequence: isNaN(seq) ? 0 : seq,
+          analog,
+          digital: isNaN(digital) ? 0 : digital,
+        };
+
+        if (withStructure) return { payload, segment: segments };
+        return { payload };
+      }
+
+      // Telemetry parameters: 'PARAM' keyword
+      if (/^PARAM/i.test(rest)) {
+        const after = rest.replace(/^PARAM\s*/i, "");
+        const names = after.split(/[,\s]+/).filter(Boolean);
+        if (withStructure) {
+          segments.push({
+            name: "telemetry parameters",
+            data: new TextEncoder().encode(after).buffer,
+            isString: true,
+            fields: [
+              { type: FieldType.STRING, name: "names", length: after.length },
+            ],
+          });
+        }
+        const payload: TelemetryParameterPayload = {
+          type: "telemetry-parameters",
+          names,
+        };
+        if (withStructure) return { payload, segment: segments };
+        return { payload };
+      }
+
+      // Telemetry units: 'UNIT'
+      if (/^UNIT/i.test(rest)) {
+        const after = rest.replace(/^UNIT\s*/i, "");
+        const units = after.split(/[,\s]+/).filter(Boolean);
+        if (withStructure) {
+          segments.push({
+            name: "telemetry units",
+            data: new TextEncoder().encode(after).buffer,
+            isString: true,
+            fields: [
+              { type: FieldType.STRING, name: "units", length: after.length },
+            ],
+          });
+        }
+        const payload: TelemetryUnitPayload = {
+          type: "telemetry-units",
+          units,
+        };
+        if (withStructure) return { payload, segment: segments };
+        return { payload };
+      }
+
+      // Telemetry coefficients: 'COEFF' a:,b:,c:
+      if (/^COEFF/i.test(rest)) {
+        const after = rest.replace(/^COEFF\s*/i, "");
+        const aMatch = after.match(/A:([^\s;]+)/i);
+        const bMatch = after.match(/B:([^\s;]+)/i);
+        const cMatch = after.match(/C:([^\s;]+)/i);
+        const parseList = (s?: string) =>
+          s ? s.split(",").map((v) => parseFloat(v)) : [];
+        const coefficients = {
+          a: parseList(aMatch?.[1]),
+          b: parseList(bMatch?.[1]),
+          c: parseList(cMatch?.[1]),
+        };
+        if (withStructure) {
+          segments.push({
+            name: "telemetry coefficients",
+            data: new TextEncoder().encode(after).buffer,
+            isString: true,
+            fields: [
+              { type: FieldType.STRING, name: "coeffs", length: after.length },
+            ],
+          });
+        }
+        const payload: TelemetryCoefficientsPayload = {
+          type: "telemetry-coefficients",
+          coefficients,
+        };
+        if (withStructure) return { payload, segment: segments };
+        return { payload };
+      }
+
+      // Telemetry bitsense/project: 'BITS' <number> [project]
+      if (/^BITS?/i.test(rest)) {
+        const parts = rest.split(/\s+/).slice(1);
+        const sense = parts.length > 0 ? parseInt(parts[0], 10) : 0;
+        const projectName =
+          parts.length > 1 ? parts.slice(1).join(" ") : undefined;
+        if (withStructure) {
+          segments.push({
+            name: "telemetry bitsense",
+            data: new TextEncoder().encode(rest).buffer,
+            isString: true,
+            fields: [
+              { type: FieldType.STRING, name: "bitsense", length: rest.length },
+            ],
+          });
+        }
+        const payload: TelemetryBitSensePayload = {
+          type: "telemetry-bitsense",
+          sense: isNaN(sense) ? 0 : sense,
+          ...(projectName ? { projectName } : {}),
+        };
+        if (withStructure) return { payload, segment: segments };
+        return { payload };
+      }
+
+      return { payload: null };
+    } catch {
+      return { payload: null };
+    }
   }
 
   private decodeWeather(withStructure: boolean = false): {
     payload: Payload | null;
     segment?: Segment[];
   } {
-    // TODO: Implement weather decoding with section emission
-    return { payload: withStructure ? null : null };
+    try {
+      if (this.payload.length < 2) return { payload: null };
+
+      let offset = 1; // skip '_' data type
+      const segments: Segment[] = withStructure ? [] : [];
+
+      // Try optional timestamp (7 chars)
+      let timestamp;
+      if (this.payload.length >= offset + 7) {
+        const timeStr = this.payload.substring(offset, offset + 7);
+        const parsed = this.parseTimestamp(timeStr, withStructure);
+        timestamp = parsed.timestamp;
+        if (parsed.segment) {
+          segments.push(parsed.segment);
+        }
+        if (timestamp) offset += 7;
+      }
+
+      // Try optional position following timestamp
+      let position: IPosition | undefined;
+      let consumed = 0;
+      const tail = this.payload.substring(offset);
+      if (tail.length > 0) {
+        // If the tail starts with a wind token like DDD/SSS, treat it as weather data
+        // and do not attempt to parse it as a position (avoids mis-detecting wind
+        // values as compressed position fields).
+        if (/^\s*\d{3}\/\d{1,3}/.test(tail)) {
+          // no position present; leave consumed = 0
+        } else if (this.isCompressedPosition(tail)) {
+          const parsed = this.parseCompressedPosition(tail, withStructure);
+          if (parsed.position) {
+            position = {
+              latitude: parsed.position.latitude,
+              longitude: parsed.position.longitude,
+              symbol: parsed.position.symbol,
+              altitude: parsed.position.altitude,
+            };
+            if (parsed.segment) segments.push(parsed.segment);
+            consumed = 13;
+          }
+        } else {
+          const parsed = this.parseUncompressedPosition(tail, withStructure);
+          if (parsed.position) {
+            position = {
+              latitude: parsed.position.latitude,
+              longitude: parsed.position.longitude,
+              symbol: parsed.position.symbol,
+              ambiguity: parsed.position.ambiguity,
+            };
+            if (parsed.segment) segments.push(parsed.segment);
+            consumed = 19;
+          }
+        }
+      }
+
+      offset += consumed;
+
+      const rest = this.payload.substring(offset).trim();
+
+      const payload: WeatherPayload = { type: "weather" };
+      if (timestamp) payload.timestamp = timestamp;
+      if (position) payload.position = position;
+
+      if (rest && rest.length > 0) {
+        // Parse common tokens
+        // Wind: DDD/SSS [gGGG]
+        const windMatch = rest.match(/(\d{3})\/(\d{1,3})(?:g(\d{1,3}))?/);
+        if (windMatch) {
+          payload.windDirection = parseInt(windMatch[1], 10);
+          payload.windSpeed = parseInt(windMatch[2], 10);
+          if (windMatch[3]) payload.windGust = parseInt(windMatch[3], 10);
+        }
+
+        // Temperature: tNNN (F)
+        const tempMatch = rest.match(/t(-?\d{1,3})/i);
+        if (tempMatch) payload.temperature = parseInt(tempMatch[1], 10);
+
+        // Rain: rNNN (last hour), pNNN (24h), PNNN (since midnight) - values are hundredths of inch
+        const rMatch = rest.match(/r(\d{3})/);
+        if (rMatch) payload.rainLastHour = parseInt(rMatch[1], 10);
+        const pMatch = rest.match(/p(\d{3})/);
+        if (pMatch) payload.rainLast24Hours = parseInt(pMatch[1], 10);
+        const PMatch = rest.match(/P(\d{3})/);
+        if (PMatch) payload.rainSinceMidnight = parseInt(PMatch[1], 10);
+
+        // Humidity: hNN
+        const hMatch = rest.match(/h(\d{1,3})/);
+        if (hMatch) payload.humidity = parseInt(hMatch[1], 10);
+
+        // Pressure: bXXXX or bXXXXX (tenths of millibar)
+        const bMatch = rest.match(/b(\d{4,5})/);
+        if (bMatch) payload.pressure = parseInt(bMatch[1], 10);
+
+        // Add raw comment
+        payload.comment = rest;
+
+        if (withStructure) {
+          segments.push({
+            name: "weather",
+            data: new TextEncoder().encode(rest).buffer,
+            isString: true,
+            fields: [
+              { type: FieldType.STRING, name: "text", length: rest.length },
+            ],
+          });
+        }
+      }
+
+      if (withStructure) return { payload, segment: segments };
+      return { payload };
+    } catch {
+      return { payload: null };
+    }
   }
 
   private decodeRawGPS(withStructure: boolean = false): {
     payload: Payload | null;
     segment?: Segment[];
   } {
-    // TODO: Implement raw GPS decoding with section emission
-    return { payload: withStructure ? null : null };
+    try {
+      if (this.payload.length < 2) return { payload: null };
+
+      // Raw GPS payloads start with '$' followed by an NMEA sentence
+      const sentence = this.payload.substring(1).trim();
+
+      // Attempt to parse with extended-nmea Decoder to extract position (best-effort)
+      let parsed: INmeaSentence | null = null;
+      try {
+        const full = sentence.startsWith("$") ? sentence : `$${sentence}`;
+        parsed = NmeaDecoder.decode(full);
+      } catch {
+        // ignore parse errors - accept any sentence as raw-gps per APRS
+      }
+
+      const payload: RawGPSPayload = {
+        type: "raw-gps",
+        sentence,
+      };
+
+      // If parse produced latitude/longitude, attach structured position.
+      // Otherwise fallback to a minimal NMEA parser for common sentences (RMC, GGA).
+      if (
+        parsed &&
+        (parsed instanceof RMC ||
+          parsed instanceof GGA ||
+          parsed instanceof DTM) &&
+        parsed.latitude &&
+        parsed.longitude
+      ) {
+        // extended-nmea latitude/longitude are GeoCoordinate objects with
+        // fields { degrees, decimal, quadrant }
+        const latObj = parsed.latitude;
+        const lonObj = parsed.longitude;
+        const lat = latObj.degrees + (Number(latObj.decimal) || 0) / 60.0;
+        const lon = lonObj.degrees + (Number(lonObj.decimal) || 0) / 60.0;
+        const latitude = latObj.quadrant === "S" ? -lat : lat;
+        const longitude = lonObj.quadrant === "W" ? -lon : lon;
+
+        const pos: IPosition = {
+          latitude,
+          longitude,
+        };
+
+        // altitude
+        if ("altMean" in parsed && parsed.altMean !== undefined) {
+          pos.altitude = Number(parsed.altMean);
+        }
+        if ("altitude" in parsed && parsed.altitude !== undefined) {
+          pos.altitude = Number(parsed.altitude);
+        }
+
+        // speed/course (RMC fields)
+        if (
+          "speedOverGround" in parsed &&
+          parsed.speedOverGround !== undefined
+        ) {
+          pos.speed = Number(parsed.speedOverGround);
+        }
+        if (
+          "courseOverGround" in parsed &&
+          parsed.courseOverGround !== undefined
+        ) {
+          pos.course = Number(parsed.courseOverGround);
+        }
+
+        payload.position = pos;
+      } else {
+        try {
+          const full = sentence.startsWith("$") ? sentence : `$${sentence}`;
+          const withoutChecksum = full.split("*")[0];
+          const parts = withoutChecksum.split(",");
+          const header = parts[0].slice(1).toUpperCase();
+
+          const parseCoord = (coord: string, hemi: string) => {
+            if (!coord || coord === "") return undefined;
+            const degDigits = hemi === "N" || hemi === "S" ? 2 : 3;
+            if (coord.length <= degDigits) return undefined;
+            const degPart = coord.slice(0, degDigits);
+            const minPart = coord.slice(degDigits);
+            const degrees = parseFloat(degPart);
+            const mins = parseFloat(minPart);
+            if (Number.isNaN(degrees) || Number.isNaN(mins)) return undefined;
+            let dec = degrees + mins / 60.0;
+            if (hemi === "S" || hemi === "W") dec = -dec;
+            return dec;
+          };
+
+          if (header.endsWith("RMC")) {
+            const lat = parseCoord(parts[3], parts[4]);
+            const lon = parseCoord(parts[5], parts[6]);
+            if (lat !== undefined && lon !== undefined) {
+              const pos: IPosition = { latitude: lat, longitude: lon };
+              if (parts[7]) pos.speed = Number(parts[7]);
+              if (parts[8]) pos.course = Number(parts[8]);
+              payload.position = pos;
+            }
+          } else if (header.endsWith("GGA")) {
+            const lat = parseCoord(parts[2], parts[3]);
+            const lon = parseCoord(parts[4], parts[5]);
+            if (lat !== undefined && lon !== undefined) {
+              const pos: IPosition = { latitude: lat, longitude: lon };
+              if (parts[9]) pos.altitude = Number(parts[9]);
+              payload.position = pos;
+            }
+          }
+        } catch {
+          // ignore fallback parse errors
+        }
+      }
+
+      if (withStructure) {
+        const segments: Segment[] = [
+          {
+            name: "raw-gps",
+            data: new TextEncoder().encode(sentence).buffer,
+            isString: true,
+            fields: [
+              {
+                type: FieldType.STRING,
+                name: "sentence",
+                length: sentence.length,
+              },
+            ],
+          },
+        ];
+
+        if (payload.position) {
+          segments.push({
+            name: "raw-gps-position",
+            data: new TextEncoder().encode(JSON.stringify(payload.position))
+              .buffer,
+            isString: true,
+            fields: [
+              {
+                type: FieldType.STRING,
+                name: "latitude",
+                length: String(payload.position.latitude).length,
+              },
+              {
+                type: FieldType.STRING,
+                name: "longitude",
+                length: String(payload.position.longitude).length,
+              },
+            ],
+          });
+        }
+
+        return { payload, segment: segments };
+      }
+
+      return { payload };
+    } catch {
+      return { payload: null };
+    }
   }
 
   private decodeCapabilities(withStructure: boolean = false): {
diff --git a/src/frame.types.ts b/src/frame.types.ts
index 1fddbff..c3a8eb7 100644
--- a/src/frame.types.ts
+++ b/src/frame.types.ts
@@ -1,4 +1,4 @@
-import { PacketSegment, PacketStructure } from "./parser.types";
+import { Dissected, Segment } from "@hamradio/packet";
 
 export interface IAddress {
   call: string;
@@ -107,7 +107,7 @@ export interface PositionPayload {
     messageType?: string;
     isStandard?: boolean;
   };
-  sections?: PacketSegment[];
+  sections?: Segment[];
 }
 
 // Compressed Position Format
@@ -250,12 +250,14 @@ export interface WeatherPayload {
   rawRain?: number; // Raw rain counter
   software?: string; // Weather software type
   weatherUnit?: string; // Weather station type
+  comment?: string; // Additional comment
 }
 
 // Raw GPS Payload (NMEA sentences)
 export interface RawGPSPayload {
   type: "raw-gps";
   sentence: string; // Raw NMEA sentence
+  position?: IPosition; // Optional parsed position if available
 }
 
 // Station Capabilities Payload
@@ -323,5 +325,5 @@ export type Payload = BasePayload &
 // Extended Frame with decoded payload
 export interface DecodedFrame extends IFrame {
   decoded?: Payload;
-  structure?: PacketStructure; // Routing and other frame-level sections
+  structure?: Dissected; // Routing and other frame-level sections
 }
diff --git a/test/frame.query.test.ts b/test/frame.query.test.ts
new file mode 100644
index 0000000..56da05c
--- /dev/null
+++ b/test/frame.query.test.ts
@@ -0,0 +1,39 @@
+import { expect } from "vitest";
+import { describe, it } from "vitest";
+import { Dissected } from "@hamradio/packet";
+import { Frame } from "../src/frame";
+import { QueryPayload } from "../src/frame.types";
+
+describe("Frame decode - Query", () => {
+  it("decodes simple query without target", () => {
+    const frame = Frame.fromString("SRC>DEST:?APRS");
+    const payload = frame.decode() as QueryPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("query");
+    expect(payload.queryType).toBe("APRS");
+    expect(payload.target).toBeUndefined();
+  });
+
+  it("decodes query with target", () => {
+    const frame = Frame.fromString("SRC>DEST:?PING N0CALL");
+    const payload = frame.decode() as QueryPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("query");
+    expect(payload.queryType).toBe("PING");
+    expect(payload.target).toBe("N0CALL");
+  });
+
+  it("returns structure sections when requested", () => {
+    const frame = Frame.fromString("SRC>DEST:?PING N0CALL");
+    const result = frame.decode(true) as {
+      payload: QueryPayload;
+      structure: Dissected;
+    };
+    expect(result).toHaveProperty("payload");
+    expect(result.payload.type).toBe("query");
+    expect(Array.isArray(result.structure)).toBe(true);
+    const names = result.structure.map((s) => s.name);
+    expect(names).toContain("query type");
+    expect(names).toContain("query target");
+  });
+});
diff --git a/test/frame.rawgps.test.ts b/test/frame.rawgps.test.ts
new file mode 100644
index 0000000..a812a99
--- /dev/null
+++ b/test/frame.rawgps.test.ts
@@ -0,0 +1,48 @@
+import { describe, it, expect } from "vitest";
+import { Frame } from "../src/frame";
+import type { RawGPSPayload } from "../src/frame.types";
+import { Dissected } from "@hamradio/packet";
+
+describe("Raw GPS decoding", () => {
+  it("decodes simple NMEA sentence as raw-gps payload", () => {
+    const sentence =
+      "GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A";
+    const frameStr = `SRC>DEST:$${sentence}`;
+
+    const f = Frame.parse(frameStr);
+    const payload = f.decode(false) as RawGPSPayload | null;
+
+    expect(payload).not.toBeNull();
+    expect(payload?.type).toBe("raw-gps");
+    expect(payload?.sentence).toBe(sentence);
+    expect(payload?.position).toBeDefined();
+    expect(typeof payload?.position?.latitude).toBe("number");
+    expect(typeof payload?.position?.longitude).toBe("number");
+  });
+
+  it("returns structure when requested", () => {
+    const sentence =
+      "GPGGA,092750.000,5321.6802,N,00630.3372,W,1,08,1.0,73.0,M,0.0,M,,*6A";
+    const frameStr = `SRC>DEST:$${sentence}`;
+
+    const f = Frame.parse(frameStr);
+    const result = f.decode(true) as {
+      payload: RawGPSPayload | null;
+      structure: Dissected;
+    };
+
+    expect(result.payload).not.toBeNull();
+    expect(result.payload?.type).toBe("raw-gps");
+    expect(result.payload?.sentence).toBe(sentence);
+    expect(result.payload?.position).toBeDefined();
+    expect(typeof result.payload?.position?.latitude).toBe("number");
+    expect(typeof result.payload?.position?.longitude).toBe("number");
+    expect(result.structure).toBeDefined();
+    const rawSection = result.structure.find((s) => s.name === "raw-gps");
+    expect(rawSection).toBeDefined();
+    const posSection = result.structure.find(
+      (s) => s.name === "raw-gps-position",
+    );
+    expect(posSection).toBeDefined();
+  });
+});
diff --git a/test/frame.telemetry.test.ts b/test/frame.telemetry.test.ts
new file mode 100644
index 0000000..46074e9
--- /dev/null
+++ b/test/frame.telemetry.test.ts
@@ -0,0 +1,59 @@
+import { describe, it } from "vitest";
+import {
+  TelemetryDataPayload,
+  TelemetryParameterPayload,
+  TelemetryUnitPayload,
+  TelemetryCoefficientsPayload,
+  TelemetryBitSensePayload,
+} from "../src/frame.types";
+import { Frame } from "../src/frame";
+import { expect } from "vitest";
+
+describe("Frame decode - Telemetry", () => {
+  it("decodes telemetry data payload", () => {
+    const frame = Frame.fromString("SRC>DEST:T#1 10,20,30,40,50 7");
+    const payload = frame.decode() as TelemetryDataPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("telemetry-data");
+    expect(payload.sequence).toBe(1);
+    expect(Array.isArray(payload.analog)).toBe(true);
+    expect(payload.analog.length).toBe(5);
+    expect(payload.digital).toBe(7);
+  });
+
+  it("decodes telemetry parameters list", () => {
+    const frame = Frame.fromString("SRC>DEST:TPARAM Temp,Hum,Wind");
+    const payload = frame.decode() as TelemetryParameterPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("telemetry-parameters");
+    expect(Array.isArray(payload.names)).toBe(true);
+    expect(payload.names).toEqual(["Temp", "Hum", "Wind"]);
+  });
+
+  it("decodes telemetry units list", () => {
+    const frame = Frame.fromString("SRC>DEST:TUNIT C,% ,mph");
+    const payload = frame.decode() as TelemetryUnitPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("telemetry-units");
+    expect(payload.units).toEqual(["C", "%", "mph"]);
+  });
+
+  it("decodes telemetry coefficients", () => {
+    const frame = Frame.fromString("SRC>DEST:TCOEFF A:1,2 B:3,4 C:5,6");
+    const payload = frame.decode() as TelemetryCoefficientsPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("telemetry-coefficients");
+    expect(payload.coefficients.a).toEqual([1, 2]);
+    expect(payload.coefficients.b).toEqual([3, 4]);
+    expect(payload.coefficients.c).toEqual([5, 6]);
+  });
+
+  it("decodes telemetry bitsense with project", () => {
+    const frame = Frame.fromString("SRC>DEST:TBITS 255 ProjectX");
+    const payload = frame.decode() as TelemetryBitSensePayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("telemetry-bitsense");
+    expect(payload.sense).toBe(255);
+    expect(payload.projectName).toBe("ProjectX");
+  });
+});
diff --git a/test/frame.weather.test.ts b/test/frame.weather.test.ts
new file mode 100644
index 0000000..a58ef0d
--- /dev/null
+++ b/test/frame.weather.test.ts
@@ -0,0 +1,37 @@
+import { describe, it, expect } from "vitest";
+import { Frame } from "../src/frame";
+import { WeatherPayload } from "../src/frame.types";
+import { Dissected } from "@hamradio/packet";
+
+describe("Frame decode - Weather", () => {
+  it("parses weather with timestamp, wind, temp, rain, humidity and pressure", () => {
+    const data = "SRC>DEST:_120345z180/10g15t072r000p025P050h50b10132";
+    const frame = Frame.fromString(data);
+    const payload = frame.decode() as WeatherPayload;
+    expect(payload).not.toBeNull();
+    expect(payload.type).toBe("weather");
+    expect(payload.timestamp).toBeDefined();
+    expect(payload.windDirection).toBe(180);
+    expect(payload.windSpeed).toBe(10);
+    expect(payload.windGust).toBe(15);
+    expect(payload.temperature).toBe(72);
+    expect(payload.rainLast24Hours).toBe(25);
+    expect(payload.rainSinceMidnight).toBe(50);
+    expect(payload.humidity).toBe(50);
+    expect(payload.pressure).toBe(10132);
+  });
+
+  it("emits structure when requested", () => {
+    const data = "SRC>DEST:_120345z180/10g15t072r000p025P050h50b10132";
+    const frame = Frame.fromString(data);
+    const res = frame.decode(true) as {
+      payload: WeatherPayload;
+      structure: Dissected;
+    };
+    expect(res.payload).not.toBeNull();
+    expect(Array.isArray(res.structure)).toBe(true);
+    const names = res.structure.map((s) => s.name);
+    expect(names).toContain("timestamp");
+    expect(names).toContain("weather");
+  });
+});