Packet #40002181 Success

POSITION_APP packet from GGR to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 40002181
Mesh Packet ID: 0xa20a207e
Used for correlation across gateways
Timestamp: 2026-05-17 12:41:00 UTC
From Node: GGR (f8e4)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: GGR (f8e4)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: e4 GGR
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:45.546386°
Longitude:-73.718804°
Altitude:32 m
Precision:32 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:27 bytes
Gateway:!6962f8e4
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6962f8e4
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1768093924
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 27 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1779021659
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		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 1779021660.3907435
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !6962f8e4
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.5463861, "longitude": -73.7188044, "altitude": 32, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6962f8e4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1768093924, "to": 4294967295, "id": 2718572670, "rx_time": 1779021659, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 228, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0db5d3251b1534670fd41820255bb7096a28017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455463861, "longitude_i": -737188044, "altitude": 32, "time": 1779021659, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0db5d3251b1534670fd41820255bb7096a28017800800100b80120
Hex Analysis:
Size:27 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
GGR (f8e4) Primary 0.000s
Reference 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC Current
GGR (f8e4) -0.047s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.013s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.013s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.025s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.037s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.050s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.061s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.072s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.084s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.095s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.107s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.118s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.130s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.141s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.170s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.188s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.208s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.228s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.245s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.257s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.268s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.279s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.292s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.303s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.314s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.326s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.337s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.359s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.380s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.402s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.413s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.431s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.449s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.466s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.477s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.488s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.500s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.511s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.528s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.546s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.564s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.576s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.588s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.601s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
45

Total Receptions

1

Unique Gateways