Packet #17722630 Success

POSITION_APP packet from PBR3 to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17722630
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: ShortFast
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:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 ShortFast
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 1774590493.464562
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: ShortFast
  • ✓ 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": "ShortFast", "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 ShortFast 2026-03-27 05:48:13 UTC Current
PBR3 (88cd) -0.393s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.359s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.348s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.331s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.315s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.298s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.288s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.276s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.264s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.251s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.239s
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 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.216s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.193s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.182s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.171s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.145s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.121s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.105s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.087s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.066s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.045s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.018s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.024s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.049s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.073s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.097s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.125s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.152s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.178s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.205s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.230s
After
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.254s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.279s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.303s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.331s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.358s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 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) +0.393s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.412s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.430s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.441s
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) +0.463s
After
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
45

Total Receptions

1

Unique Gateways