Packet #17799644 Success

POSITION_APP packet from Meshtastic 7c50 (7c50) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17799644
Mesh Packet ID: 0x0f0a323c
Used for correlation across gateways
Timestamp: 2026-03-27 09:50:31 UTC
From Node: Meshtastic 7c50 (7c50)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 7c50 (7c50)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 50 7c50
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:43.529011°
Longitude:-80.386458°
Altitude:337 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:28 bytes
Gateway:!33677c50
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
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 !33677c50
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 862420048
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
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 1774605030
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 80
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774605031.2450519
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: !33677c50
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:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.5290112, "longitude": -80.3864576, "altitude": 337, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!33677c50", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 862420048, "to": 4294967295, "id": 252326460, "rx_time": 1774605030, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 80, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000f21915000016d018d10225e652c66928017800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 435290112, "longitude_i": -803864576, "altitude": 337, "time": 1774605030, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000f21915000016d018d10225e652c66928017800800100b8010e
Hex Analysis:
Size:28 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
Meshtastic 7c50 (7c50) Primary 0.000s
Reference 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC Current
Meshtastic 7c50 (7c50) -0.031s
Before 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.019s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.027s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.044s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.062s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.072s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.083s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.094s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.105s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.117s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.129s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.141s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.153s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.164s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.176s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.188s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.200s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.211s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.221s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.232s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.243s
After 		Unknown Unknown 0 50 7c50 MediumFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.254s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.265s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.275s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.286s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.299s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.311s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.323s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.335s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.347s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.359s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.371s
After 		Unknown Unknown 0 50 7c50 ShortFast 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.383s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.394s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.405s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.421s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.438s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.456s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.476s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.496s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.517s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.537s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.555s
After 		Unknown Unknown 0 50 7c50 ShortTurbo 2026-03-27 09:50:31 UTC View
Meshtastic 7c50 (7c50) +0.573s
After 		Unknown Unknown 0 50 7c50 LongFast 2026-03-27 09:50:31 UTC View
45

Total Receptions

1

Unique Gateways