Packet #18000005 Success

POSITION_APP packet from VO1SU (VO1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
31
Payload Bytes
Packet Information
Database ID: 18000005
Mesh Packet ID: 0xcba8252f
Used for correlation across gateways
Timestamp: 2026-03-27 20:33:55 UTC
From Node: VO1SU (VO1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VO1SU (VO1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 51 VO1
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: 31 bytes
Decoded: Yes
Decoded Data:
Latitude:47.749530°
Longitude:-59.310080°
Altitude:-12 m
Precision:14 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:31 bytes
Gateway:!fa505051
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !fa505051
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (31 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4199567441
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 31 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
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 1774643636
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 81
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774643635.2038693
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
  • ✓ Reduced position precision: ~1500.0m accuracy
  • ✓ 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
MQTT-Specific Fields
Gateway ID: !fa505051
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
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:31 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 47.7495296, "longitude": -59.31008, "altitude": -12, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!fa505051", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4199567441, "to": 4294967295, "id": 3416794415, "rx_time": 1774643636, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 81, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000761c150000a6dc18f4ffffffffffffffff0125b4e9c6692802b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 477495296, "longitude_i": -593100800, "altitude": -12, "time": 1774643636, "location_source": "LOC_INTERNAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (31 bytes)
0d0000761c150000a6dc18f4ffffffffffffffff0125b4e9c6692802b8010e
Hex Analysis:
Size:31 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
VO1SU (VO1) Primary 0.000s
Reference 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC Current
VO1SU (VO1) -0.170s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.127s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.096s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) -0.031s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.029s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.065s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.090s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.122s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.147s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.185s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.292s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.318s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.357s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.379s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.414s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.443s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.475s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.498s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.525s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.573s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.591s
After 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.620s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.643s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.687s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.754s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.785s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:55 UTC View
VO1SU (VO1) +0.847s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +0.901s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +0.925s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +0.975s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +0.995s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.045s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.086s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.120s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.183s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.215s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.308s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.366s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.399s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.481s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.540s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.564s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.640s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-27 20:33:56 UTC View
VO1SU (VO1) +1.684s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-27 20:33:56 UTC View
45

Total Receptions

1

Unique Gateways