Packet #17816571 Success

POSITION_APP packet from Meshtastic 16d0 (16d0) to !ffffffff

45
Total Receptions
1
Unique Gateways
4
Hop Count
36
Payload Bytes
Packet Information
Database ID: 17816571
Mesh Packet ID: 0x63950805
Used for correlation across gateways
Timestamp: 2026-03-27 10:29:35 UTC
From Node: Meshtastic 16d0 (16d0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Tracer-Mesh-bd1c (bd1c)
Channel: ShortTurbo
RSSI: -116 dBm
SNR: -18.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: e4 boop
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:43.175117°
Longitude:-79.455846°
Altitude:100 m
Satellites:3
Precision:13 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:36 bytes
Gateway:!9ea0bd1c
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9ea0bd1c
Node ID format
channel_id ShortTurbo
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4055635664
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 36 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -116.0 dBm
Signal strength at gateway 		int32
rx_snr -18.50 dB
Signal quality at gateway 		float
rx_time 1774607373
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 228
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774607375.7872512
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ea0bd1c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -116.0 dBm
SNR: -18.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.1751168, "longitude": -79.4558464, "altitude": 100, "sats_in_view": 3, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea0bd1c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4055635664, "to": 4294967295, "id": 1670711301, "rx_time": 1774607373, "rx_snr": -18.5, "rx_rssi": -116, "hop_limit": 0, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 228, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000bc19150000a4d0186425f25bc669280258f20478058001f0a2d70e980103b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 431751168, "longitude_i": -794558464, "altitude": 100, "time": 1774607346, "location_source": "LOC_INTERNAL", "PDOP": 626, "ground_speed": 5, "ground_track": 30790000, "sats_in_view": 3, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d0000bc19150000a4d0186425f25bc669280258f20478058001f0a2d70e980103b8010d
Hex Analysis:
Size:36 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
Tracer-Mesh-bd1c (bd1c) Primary 0.000s
Reference 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC Current
Tracer-Mesh-bd1c (bd1c) -0.510s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.485s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.474s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.458s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.442s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.432s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.415s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.402s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.390s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.378s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.367s
Before 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.355s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.343s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.332s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.321s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.311s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.300s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.289s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.278s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.267s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.256s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.244s
Before 		-116.0 dBm -18.50 dB 4 e4 boop MediumFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.232s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.220s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.207s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.196s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.184s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.172s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.160s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.149s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.138s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.127s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.116s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortFast 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.105s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.094s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.084s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.073s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.061s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.048s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.036s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.023s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) -0.011s
Before 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) +0.012s
After 		-116.0 dBm -18.50 dB 4 e4 boop ShortTurbo 2026-03-27 10:29:35 UTC View
Tracer-Mesh-bd1c (bd1c) +0.024s
After 		-116.0 dBm -18.50 dB 4 e4 boop LongFast 2026-03-27 10:29:35 UTC View
45

Total Receptions

1

Unique Gateways