Packet #18094523 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: 18094523
Mesh Packet ID: 0x342b86b8
Used for correlation across gateways
Timestamp: 2026-03-28 02:09:03 UTC
From Node: VO1SU (VO1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VO1SU (VO1)
Channel: ShortFast
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:-41 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:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !fa505051
Node ID format
channel_id ShortFast
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 1774663736
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 1774663743.6768653
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
  • ✓ Reduced position precision: ~1500.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": -41, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!fa505051", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4199567441, "to": 4294967295, "id": 875267768, "rx_time": 1774663736, "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": "0d0000761c150000a6dc18d7ffffffffffffffff01253838c7692802b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 477495296, "longitude_i": -593100800, "altitude": -41, "time": 1774663736, "location_source": "LOC_INTERNAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (31 bytes)
0d0000761c150000a6dc18d7ffffffffffffffff01253838c7692802b8010e
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 ShortFast 2026-03-28 02:09:03 UTC Current
VO1SU (VO1) -4.743s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -4.712s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -4.692s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -4.662s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -4.148s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -3.727s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -3.715s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -3.702s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -3.681s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -3.659s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -3.133s
Before 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -3.094s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -3.069s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -3.050s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -3.033s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -3.017s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -2.927s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -2.753s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -2.675s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:01 UTC View
VO1SU (VO1) -2.606s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:01 UTC View
VO1SU (VO1) -1.002s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) -0.989s
Before 		Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) -0.961s
Before 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) -0.469s
Before 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -0.457s
Before 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -0.031s
Before 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.018s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.036s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.059s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.104s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.121s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.136s
After 		Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.150s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.164s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.180s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +0.923s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) +0.938s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) +0.975s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) +1.433s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +1.446s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +1.458s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +1.471s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +1.932s
After 		Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +1.946s
After 		Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:05 UTC View
45

Total Receptions

1

Unique Gateways