Packet #17870840 Success

POSITION_APP packet from Meshtastic f2f0 (f2f0) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
31
Payload Bytes
Packet Information
Database ID: 17870840
Mesh Packet ID: 0xfcafb237
Used for correlation across gateways
Timestamp: 2026-03-27 12:50:51 UTC
From Node: Meshtastic f2f0 (f2f0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic f2f0 (f2f0)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: f0 f2f0
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:43.751834°
Longitude:-79.717990°
Altitude:237 m
Satellites:12
Precision:13 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:!433ef2f0
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 !433ef2f0
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 1128198896
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 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 1774615848
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 240
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774615851.7446353
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: ~2900.0m 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: !433ef2f0
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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": 43.7518336, "longitude": -79.7179904, "altitude": 237, "sats_in_view": 12, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433ef2f0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128198896, "to": 4294967295, "id": 4239372855, "rx_time": 1774615848, "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": 240, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000141a1500007cd018ed0125287dc6692803780080010098010cb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 437518336, "longitude_i": -797179904, "altitude": 237, "time": 1774615848, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "sats_in_view": 12, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (31 bytes)
0d0000141a1500007cd018ed0125287dc6692803780080010098010cb8010d
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...

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 f2f0 (f2f0) Primary 0.000s
Reference
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC Current
Meshtastic f2f0 (f2f0) -0.110s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.083s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.072s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.056s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.040s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.022s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.011s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.011s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.029s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.047s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.059s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.070s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.081s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.092s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.103s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.114s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.126s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.139s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.151s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.163s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.176s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.188s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.200s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.212s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.223s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.234s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.245s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.256s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.267s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.278s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.289s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.300s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.312s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.324s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.337s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.349s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.361s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.373s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.385s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.397s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.407s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.418s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.429s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.440s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:52 UTC View
45

Total Receptions

1

Unique Gateways