Packet #40002194 Success

POSITION_APP packet from GGR to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 40002194
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: MediumFast
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:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6962f8e4
Node ID format
channel_id MediumFast
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 1779021660.5605156
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: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": "MediumFast", "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 MediumFast 2026-05-17 12:41:00 UTC Current
GGR (f8e4) -0.217s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.182s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.170s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.157s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.145s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.133s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.120s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.109s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.097s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.086s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.075s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.063s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.052s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.040s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.029s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.018s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.038s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.058s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.075s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.087s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.098s
After 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.110s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.122s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.133s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.145s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.156s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.167s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.189s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.211s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.232s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.243s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.261s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.279s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.296s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.307s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.319s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.330s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.341s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.358s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.376s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.394s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.406s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.419s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.431s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
45

Total Receptions

1

Unique Gateways