Packet #10381150 Success

POSITION_APP packet from Emach_ham (Tmch) to Meshtastic b22c (b22c)

2
Total Receptions
2
Unique Gateways
2
Hop Count
26
Payload Bytes
Packet Information
Database ID: 10381150
Mesh Packet ID: 0xca508512
Used for correlation across gateways
Timestamp: 2026-02-25 16:43:10 UTC
From Node: Emach_ham (Tmch)
To Node: Meshtastic b22c (b22c)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: NODE_SOLAR_868 (8682)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Latitude:55.984128°
Longitude:37.162189°
Altitude:243 m
Precision:16 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:26 bytes
Gateway:!9e9fbbf0
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e9fbbf0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 181083904
Source node ID 		uint32
to 2666574380
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 26 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1772026989
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 80
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 80
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1772026990.1502457
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (2 hops)
MQTT-Specific Fields
Gateway ID: !9e9fbbf0
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 55.984128, "longitude": 37.1621888, "altitude": 243, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9fbbf0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 181083904, "to": 2666574380, "id": 3394274578, "rx_time": 1772026989, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 80, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 80, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00805e21150080261618f3012564fc9e692801800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 559841280, "longitude_i": 371621888, "altitude": 243, "time": 1772026980, "location_source": "LOC_MANUAL", "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (26 bytes)
0d00805e21150080261618f3012564fc9e692801800100b80110
Hex Analysis:
Size:26 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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
NODE_SOLAR_868 (8682) Primary 0.000s
Reference 		Unknown Unknown 2 LongFast 2026-02-25 16:43:10 Current
ZA_MKAD_22_868_1 (8681) -0.345s
Before 		-132.0 dBm -8.75 dB 1 LongFast 2026-02-25 16:43:09 View
2

Total Receptions

2

Unique Gateways