Packet #39472759 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: 39472759
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: ShortFast
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:ShortFast
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
+ 4 more...
Exposure Risks:
⚠ 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 ShortFast
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 1778914088.5135682
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
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ 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": "ShortFast", "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
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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 ShortFast 2026-05-16 06:48:08 UTC Current
!9e77db44 (db44) -1.990s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:06 UTC View
!9e77db44 (db44) -1.694s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:06 UTC View
!9e77db44 (db44) -1.521s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:06 UTC View
!9e77db44 (db44) -0.910s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.897s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.862s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.850s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.678s
Before
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:07 UTC View
!9e77db44 (db44) -0.311s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) -0.277s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) -0.206s
Before
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) -0.168s
Before
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) -0.131s
Before
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) -0.050s
Before
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) -0.025s
Before
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.050s
After
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.085s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.120s
After
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.156s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:08 UTC View
!9e77db44 (db44) +0.220s
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) +0.863s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.133s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.246s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.257s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.305s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:09 UTC View
!9e77db44 (db44) +1.504s
After
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +1.808s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.055s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.066s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.206s
After
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.375s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.435s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:10 UTC View
!9e77db44 (db44) +2.575s
After
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.132s
After
Unknown Unknown 0 44 db44 MediumFast 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.222s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.280s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.322s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.451s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:11 UTC View
!9e77db44 (db44) +3.653s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:12 UTC View
!9e77db44 (db44) +3.986s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:12 UTC View
!9e77db44 (db44) +4.510s
After
Unknown Unknown 0 44 db44 LongFast 2026-05-16 06:48:13 UTC View
!9e77db44 (db44) +4.680s
After
Unknown Unknown 0 44 db44 ShortTurbo 2026-05-16 06:48:13 UTC View
!9e77db44 (db44) +4.979s
After
Unknown Unknown 0 44 db44 ShortFast 2026-05-16 06:48:13 UTC View
45

Total Receptions

1

Unique Gateways