Packet #18094506 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: 18094506
Mesh Packet ID: 0x342b86b8
Used for correlation across gateways
Timestamp: 2026-03-28 02:09:00 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 1774663740.0180292
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 02:09:00 UTC Current
VO1SU (VO1) -1.084s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -1.054s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -1.033s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:58 UTC View
VO1SU (VO1) -1.003s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -0.489s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -0.069s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -0.056s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -0.043s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) -0.022s
Before
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:08:59 UTC View
VO1SU (VO1) +0.526s
After
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.565s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.590s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.609s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.626s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.642s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.732s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.906s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:00 UTC View
VO1SU (VO1) +0.984s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:01 UTC View
VO1SU (VO1) +1.053s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:01 UTC View
VO1SU (VO1) +2.657s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) +2.670s
After
Unknown Unknown 0 51 VO1 MediumFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) +2.697s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:02 UTC View
VO1SU (VO1) +3.190s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.201s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.627s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.659s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.677s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.695s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.718s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.763s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.780s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.795s
After
Unknown Unknown 0 51 VO1 ShortFast 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.809s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.823s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +3.839s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:03 UTC View
VO1SU (VO1) +4.582s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) +4.597s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) +4.634s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:04 UTC View
VO1SU (VO1) +5.092s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +5.105s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +5.117s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +5.130s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +5.590s
After
Unknown Unknown 0 51 VO1 ShortTurbo 2026-03-28 02:09:05 UTC View
VO1SU (VO1) +5.604s
After
Unknown Unknown 0 51 VO1 LongFast 2026-03-28 02:09:05 UTC View
45

Total Receptions

1

Unique Gateways