Packet #17722639 Success

POSITION_APP packet from PBR3 to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17722639
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 1774590493.6943927
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
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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
PBR3 (88cd) Primary 0.000s
Reference
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC Current
PBR3 (88cd) -0.623s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.588s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.578s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.561s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.545s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.528s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.518s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.506s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.494s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.481s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.469s
Before
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.457s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.446s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.423s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.412s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.401s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.375s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.351s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.335s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.316s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.296s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.274s
Before
Unknown Unknown 0 cd PBR3 MediumFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.248s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.230s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.206s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.181s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.157s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.133s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.105s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.078s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.051s
Before
Unknown Unknown 0 cd PBR3 ShortFast 2026-03-27 05:48:13 UTC View
PBR3 (88cd) -0.024s
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 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.049s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.073s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.101s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.128s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.146s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.163s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.183s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.200s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.211s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.222s
After
Unknown Unknown 0 cd PBR3 ShortTurbo 2026-03-27 05:48:13 UTC View
PBR3 (88cd) +0.233s
After
Unknown Unknown 0 cd PBR3 LongFast 2026-03-27 05:48:13 UTC View
45

Total Receptions

1

Unique Gateways