Packet #18094541 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: 18094541
Mesh Packet ID: 0x342b86b8
Used for correlation across gateways
Timestamp: 2026-03-28 02:09:05 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:-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: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 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 1774663745.6224916
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": -41, "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": 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
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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
VO1SU (VO1) Primary 0.000s
Reference
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:05 UTC Current
VO1SU (VO1) -6.689s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -6.658s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -6.638s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -6.607s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -6.094s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -5.673s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -5.661s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -5.648s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -5.627s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -5.604s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -5.079s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -5.039s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -5.015s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -4.996s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -4.978s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -4.962s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -4.872s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -4.698s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) -4.621s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:01 UTC View
VO1SU (VO1) -4.551s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:01 UTC View
VO1SU (VO1) -2.948s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) -2.934s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) -2.907s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) -2.414s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -2.403s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.977s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.946s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.928s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.909s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.886s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.842s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.825s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.809s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.796s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.782s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.765s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) -1.023s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) -1.007s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) -0.971s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) -0.512s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) -0.500s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) -0.487s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) -0.475s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) -0.014s
Before
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
45

Total Receptions

1

Unique Gateways