Packet #18105762 Success

POSITION_APP packet from VO1SU (VO1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
22
Payload Bytes
Packet Information
Database ID: 18105762
Mesh Packet ID: 0x4dc91ae0
Used for correlation across gateways
Timestamp: 2026-03-28 02:44:58 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: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:47.749530°
Longitude:-59.310080°
Altitude:23 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:22 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 (22 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 22 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 1774665896
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 1774665898.4432435
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:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 47.7495296, "longitude": -59.31008, "altitude": 23, "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": 1305025248, "rx_time": 1774665896, "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": "0d0000761c150000a6dc181725a840c7692802b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 477495296, "longitude_i": -593100800, "altitude": 23, "time": 1774665896, "location_source": "LOC_INTERNAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d0000761c150000a6dc181725a840c7692802b8010e
Hex Analysis:
Size:22 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 ShortFast 2026-03-28 02:44:58 UTC Current
VO1SU (VO1) -0.370s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.346s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.334s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.321s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.309s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.298s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.286s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.275s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.263s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.252s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.241s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.230s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.220s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.209s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.199s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.189s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.178s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.166s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.154s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.142s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.130s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.119s
Before
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.107s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.095s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.084s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.073s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.063s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.052s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.041s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.032s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.021s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) -0.011s
Before
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.012s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.024s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.036s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.048s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.059s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.072s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.083s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.095s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.105s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.116s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.127s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:44:58 UTC View
VO1SU (VO1) +0.137s
After
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:44:58 UTC View
45

Total Receptions

1

Unique Gateways