Packet #17744175 Success

POSITION_APP packet from Da Fonz (Fonz) to !ffffffff

46
Total Receptions
2
Unique Gateways
2
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17744175
Mesh Packet ID: 0xe6f29e6e
Used for correlation across gateways
Timestamp: 2026-03-27 07:01:02 UTC
From Node: Da Fonz (Fonz)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Cadia (M3)
Channel: ShortTurbo
RSSI: -128 dBm
SNR: -17.5 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: 75
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:49.866342°
Longitude:-97.209549°
Altitude:234 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:!4359649c
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 48884384
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 1
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -128.0 dBm
Signal strength at gateway
int32
rx_snr -17.50 dB
Signal quality at gateway
float
rx_time 1774594861
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 117
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774594862.841143
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !4359649c
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Signal Metrics: RSSI: -128.0 dBm
SNR: -17.50 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": 49.8663424, "longitude": -97.2095488, "altitude": 234, "sats_in_view": null, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 48884384, "to": 4294967295, "id": 3874659950, "rx_time": 1774594861, "rx_snr": -17.5, "rx_rssi": -128, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 117, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000b91d1500000fc618ea0125292bc66928013d03d3bf69b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 498663424, "longitude_i": -972095488, "altitude": 234, "time": 1774594857, "location_source": "LOC_MANUAL", "timestamp": 1774179075, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000b91d1500000fc618ea0125292bc66928013d03d3bf69b8010f
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
Mechanicus Cadia (M3) Primary 0.000s
Reference
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC Current
Mechanicus Cadia (M3) -0.532s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.495s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.482s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.460s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.442s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.423s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.405s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.387s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.375s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.362s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.350s
Before
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Alpha (M1) -0.338s
Before
-110.0 dBm -3.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.326s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.314s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.303s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.291s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.280s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.269s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.258s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.238s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.227s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.217s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.203s
Before
-128.0 dBm -17.50 dB 2 75 MediumFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.191s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.178s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.166s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.154s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.142s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.131s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.108s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.098s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.087s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.070s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.061s
Before
-128.0 dBm -17.50 dB 2 75 ShortFast 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.048s
Before
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.036s
Before
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.024s
Before
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) -0.012s
Before
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.012s
After
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.024s
After
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.035s
After
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.046s
After
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.057s
After
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.067s
After
-128.0 dBm -17.50 dB 2 75 ShortTurbo 2026-03-27 07:01:02 UTC View
Mechanicus Cadia (M3) +0.078s
After
-128.0 dBm -17.50 dB 2 75 LongFast 2026-03-27 07:01:02 UTC View
46

Total Receptions

2

Unique Gateways