Packet #17812086 Success

POSITION_APP packet from rrMesh: Base-01 (rrB1) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17812086
Mesh Packet ID: 0xdbb1fd73
Used for correlation across gateways
Timestamp: 2026-03-27 10:17:48 UTC
From Node: rrMesh: Base-01 (rrB1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: TMS stationary outdoor node (TMSO)
Channel: ShortFast
RSSI: -120 dBm
SNR: -11.25 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 18 rrB1
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:43.719066°
Longitude:-79.567258°
Altitude:391 m
Precision:15 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:!43b596d0
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 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 !43b596d0
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 382706200
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 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -120.0 dBm
Signal strength at gateway
int32
rx_snr -11.25 dB
Signal quality at gateway
float
rx_time 1774606667
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 24
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774606668.5989013
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
  • ✓ Reduced position precision: ~729.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b596d0
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -120.0 dBm
SNR: -11.25 dB
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": 43.7190656, "longitude": -79.5672576, "altitude": 391, "sats_in_view": null, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b596d0", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 382706200, "to": 4294967295, "id": 3685875059, "rx_time": 1774606667, "rx_snr": -11.25, "rx_rssi": -120, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 24, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000f1a15000093d0188703254959c66928017800800100b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 437190656, "longitude_i": -795672576, "altitude": 391, "time": 1774606665, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00000f1a15000093d0188703254959c66928017800800100b8010f
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
TMS stationary outdoor node (TMSO) Primary 0.000s
Reference
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC Current
TMS stationary outdoor node (TMSO) -0.289s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.261s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.251s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.234s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.213s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.194s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.182s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.171s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.160s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.149s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.138s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.127s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.116s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.106s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.095s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.084s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.072s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.060s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.048s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.035s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.024s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) -0.012s
Before
-120.0 dBm -11.25 dB 0 18 rrB1 MediumFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.012s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.023s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.033s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.044s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.055s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.066s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.076s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.087s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.098s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.110s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortFast 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.122s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.133s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.146s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.157s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.169s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.181s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.192s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.203s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.214s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.225s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.238s
After
-120.0 dBm -11.25 dB 0 18 rrB1 ShortTurbo 2026-03-27 10:17:48 UTC View
TMS stationary outdoor node (TMSO) +0.249s
After
-120.0 dBm -11.25 dB 0 18 rrB1 LongFast 2026-03-27 10:17:48 UTC View
FLAN-F208 (FLAN) +1.753s
After
-40.0 dBm 6.50 dB 4 96 FLAM LongFast 2026-03-27 10:17:50 UTC View
46

Total Receptions

2

Unique Gateways