Packet #40002208 Success

POSITION_APP packet from GGR to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 40002208
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: ShortFast
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:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 ShortFast
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 1779021660.7712257
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: ShortFast
  • ✓ 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": "ShortFast", "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 ShortFast 2026-05-17 12:41:00 UTC Current
GGR (f8e4) -0.427s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.393s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.380s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.367s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.355s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.343s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.331s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.320s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.308s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.297s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.285s
Before 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.274s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.262s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.251s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.239s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.211s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.193s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.173s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.153s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.135s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.124s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.112s
Before 		Unknown Unknown 0 e4 GGR MediumFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.101s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.089s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.078s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.066s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.055s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.043s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) -0.022s
Before 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.021s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.032s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.050s
After 		Unknown Unknown 0 e4 GGR ShortFast 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.069s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.085s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.097s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.108s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.119s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.131s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.147s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.165s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.183s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.195s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.208s
After 		Unknown Unknown 0 e4 GGR ShortTurbo 2026-05-17 12:41:00 UTC View
GGR (f8e4) +0.220s
After 		Unknown Unknown 0 e4 GGR LongFast 2026-05-17 12:41:00 UTC View
45

Total Receptions

1

Unique Gateways