Packet #17722624 Success

POSITION_APP packet from PBR3 to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17722624
Mesh Packet ID: 0x61457585
Used for correlation across gateways
Timestamp: 2026-03-27 05:48:13 UTC
From Node: PBR3 (88cd)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: PBR3 (88cd)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: cd PBR3
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:42.867758°
Longitude:-80.731580°
Altitude:247 m
Precision:32 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:!0d2388cd
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !0d2388cd
Node ID format
channel_id MediumFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 220432589
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 1774590479
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 205
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774590493.3433247
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: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !0d2388cd
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
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": 42.867758, "longitude": -80.7315799, "altitude": 247, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!0d2388cd", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 220432589, "to": 4294967295, "id": 1631942021, "rx_time": 1774590479, "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": 205, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dcc198d1915a956e1cf18f701250f1ac66928017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 428677580, "longitude_i": -807315799, "altitude": 247, "time": 1774590479, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0dcc198d1915a956e1cf18f701250f1ac66928017800800100b80120
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...

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
PBR3 (88cd) Primary 0.000s
Reference
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC Current
PBR3 (88cd) -0.272s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.237s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.227s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.210s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.194s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.177s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.167s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.155s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.142s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.130s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.118s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.106s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.095s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.072s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.061s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.050s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.024s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.016s
After
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.035s
After
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.055s
After
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.077s
After
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.103s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.121s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.145s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.170s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.194s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.218s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.247s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.273s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.300s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.327s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.351s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.376s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.400s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.424s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.452s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.480s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.497s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.514s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.534s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.551s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.562s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.573s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.584s
After
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
45

Total Receptions

1

Unique Gateways