Packet #39186137 Success

POSITION_APP packet from Mechanicus Alpha (M1) to !ffffffff

47
Total Receptions
3
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39186137
Mesh Packet ID: 0xf26f0ca7
Used for correlation across gateways
Timestamp: 2026-05-15 13:47:07 UTC
From Node: Mechanicus Alpha (M1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 8c M1
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:49.922867°
Longitude:-97.149747°
Altitude:233 m
Precision:18 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:!433e868c
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128171148
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 Not set int32
rx_snr Not set float
rx_time 1778852822
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 140
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778852827.9602458
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !433e868c
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
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": 49.9228672, "longitude": -97.1497472, "altitude": 233, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128171148, "to": 4294967295, "id": 4067364007, "rx_time": 1778852822, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15002018c618e90125d623076a28017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499228672, "longitude_i": -971497472, "altitude": 233, "time": 1778852822, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00a0c11d15002018c618e90125d623076a28017800800100b80112
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 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 Alpha (M1) Primary 0.000s
Reference 		Unknown Unknown 0 8c M1 LongFast 2026-05-15 13:47:07 UTC Current
Mechanicus Dominus (M4) -3.091s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -3.060s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -3.047s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -3.029s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -3.009s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -2.998s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -2.981s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -2.970s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:04 UTC View
Mechanicus Dominus (M4) -2.959s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.948s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.937s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.926s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.915s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.904s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.893s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.882s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.869s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.857s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.844s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.832s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.820s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.808s
Before 		-11.0 dBm 7.50 dB 0 8c M1 MediumFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.791s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.779s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.768s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.757s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.746s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.735s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.724s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.713s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.702s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.691s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.679s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortFast 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.666s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.654s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.642s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.630s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.618s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.605s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.593s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.582s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.571s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.560s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.549s
Before 		-11.0 dBm 7.50 dB 0 8c M1 ShortTurbo 2026-05-15 13:47:05 UTC View
Mechanicus Dominus (M4) -2.538s
Before 		-11.0 dBm 7.50 dB 0 8c M1 LongFast 2026-05-15 13:47:05 UTC View
Mechanicus Cadia (M3) -2.526s
Before 		-38.0 dBm 6.00 dB 0 8c M1 LongFast 2026-05-15 13:47:05 UTC View
47

Total Receptions

3

Unique Gateways