Packet #17870838 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: 17870838
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 1774615851.7230296
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
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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
Meshtastic f2f0 (f2f0) Primary 0.000s
Reference
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC Current
Meshtastic f2f0 (f2f0) -0.088s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.061s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.050s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.034s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) -0.018s
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) +0.022s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.033s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.051s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.069s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.080s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.091s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.102s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.113s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.124s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.136s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.148s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.160s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.173s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.185s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.198s
After
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.209s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.221s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.233s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.244s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.255s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.266s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:51 UTC View
Meshtastic f2f0 (f2f0) +0.277s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.288s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.299s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.311s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.321s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.334s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.346s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.358s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.370s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.382s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.395s
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 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.451s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:50:52 UTC View
Meshtastic f2f0 (f2f0) +0.462s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:50:52 UTC View
45

Total Receptions

1

Unique Gateways