Packet #39472736 Success

POSITION_APP packet from !9e77db44 to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39472736
Mesh Packet ID: 0x4c46f227
Used for correlation across gateways
Timestamp: 2026-05-16 06:48:08 UTC
From Node: !9e77db44 (db44)
To Node: not a toaster (daw)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: !9e77db44 (db44)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 44 db44
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:45.796557°
Longitude:-74.055680°
Altitude:143 m
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:28 bytes
Gateway:!9e77db44
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e77db44
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2658655044
Source node ID 		uint32
to 2571147703
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
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 1778914082
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
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 68
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778914088.2363422
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

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

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !9e77db44
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.7965568, "longitude": -74.05568, "altitude": 143, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e77db44", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658655044, "to": 2571147703, "id": 1279717927, "rx_time": 1778914082, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 68, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00004c1b150000dcd3188f01252213086a28017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 457965568, "longitude_i": -740556800, "altitude": 143, "time": 1778914082, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00004c1b150000dcd3188f01252213086a28017800800100b8010d
Hex Analysis:
Size:28 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
!9e77db44 (db44) Primary 0.000s
Reference 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC Current
!9e77db44 (db44) -1.713s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:06 UTC View
!9e77db44 (db44) -1.416s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:06 UTC View
!9e77db44 (db44) -1.243s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:06 UTC View
!9e77db44 (db44) -0.633s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.619s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.585s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.573s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.401s
Before 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.034s
Before 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.071s
After 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.109s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.146s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.227s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.252s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.277s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.328s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.363s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.398s
After 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.433s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.497s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.640s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +1.140s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.410s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.523s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.535s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.582s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.781s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.085s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.332s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.343s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.483s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.652s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.712s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.853s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.409s
After 		Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.499s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.557s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.599s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.728s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.930s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:12 UTC View
!9e77db44 (db44) +4.263s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:12 UTC View
!9e77db44 (db44) +4.787s
After 		Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:13 UTC View
!9e77db44 (db44) +4.957s
After 		Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:13 UTC View
!9e77db44 (db44) +5.256s
After 		Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:13 UTC View
45

Total Receptions

1

Unique Gateways