Packet #488453 Success

POSITION_APP packet from Meshtastic 9b20 (9b20) to !ffffffff

8
Total Receptions
8
Unique Gateways
7
Hop Count
28
Payload Bytes
Packet Information
Database ID: 488453
Mesh Packet ID: 0x9a696058
Used for correlation across gateways
Timestamp: 2026-03-06 21:11:06 UTC
From Node: Meshtastic 9b20 (9b20)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 6f70 (6f70)
Channel: chat.cap.ru
RSSI: Unknown
SNR: Unknown
Hop Info: 7/7 hops
Start: 7, Limit: 0
Relay Node: c0 a5c0
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:56.116838°
Longitude:47.439872°
Altitude:139 m
Precision:17 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:!55c66f70
Channel:chat.cap.ru
Payload Type:POSITION_APP
Hop Count:7 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: chat.cap.ru
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !55c66f70
Node ID format
channel_id chat.cap.ru
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 67148576
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum POSITION_APP
POSITION_APP 		enum
decoded.payload_length 28 bytes size
hop_limit Not set uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 7
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1772831465
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority DEFAULT
Packet priority level 		enum
delayed Not set enum
channel 105
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 192
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set 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: chat.cap.ru
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (7 hops)
MQTT-Specific Fields
Gateway ID: !55c66f70
Position Precision: 17 bits (~182.0m accuracy)
Position precision meters: 182.0
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": 56.1168384, "longitude": 47.439872, "altitude": 139, "sats_in_view": null, "precision_bits": 17 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 67148576, "to": 4294967295, "channel": 105, "decoded": { "portnum": "POSITION_APP", "payload": "DQDAciEVAMBGHBiLASXUQqtpKAF4AIABALgBEQ==", "bitfield": 1 }, "id": 2590597208, "rx_time": 1772831465, "priority": "DEFAULT", "hop_start": 7, "relay_node": 192, "transport_mechanism": "TRANSPORT_MULTICAST_UDP" }, "channel_id": "chat.cap.ru", "gateway_id": "!55c66f70" }, "mesh_packet": { "from": 67148576, "to": 4294967295, "channel": 105, "decoded": { "portnum": "POSITION_APP", "payload": "DQDAciEVAMBGHBiLASXUQqtpKAF4AIABALgBEQ==", "bitfield": 1, "parsed_payload": { "latitude_i": 561168384, "longitude_i": 474398720, "altitude": 139, "time": 1772831444, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } }, "id": 2590597208, "rx_time": 1772831465, "priority": "DEFAULT", "hop_start": 7, "relay_node": 192, "transport_mechanism": "TRANSPORT_MULTICAST_UDP" } }
Raw Packet Data (28 bytes)
0d00c072211500c0461c188b0125d442ab6928017800800100b80111
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
Meshtastic 6f70 (6f70) Primary 0.000s
Reference 		Unknown Unknown 7 c0 a5c0 chat.cap.ru 2026-03-06 21:11:06 UTC Current
7 hops Gateways that received this packet after 7 hops
Meshtastic a5c0 (a5c0) -0.309s
Before 		-141.0 dBm -14.00 dB 7 e4 vaya chat.cap.ru 2026-03-06 21:11:06 UTC View
NCHK brsk (brsk) +0.249s
After 		-13.0 dBm 7.00 dB 7 3d brs1 chat.cap.ru 2026-03-06 21:11:06 UTC View
Meshtastic 8170 (8170) +2.118s
After 		-14.0 dBm 7.50 dB 7 70 6f70 , 8170 chat.cap.ru 2026-03-06 21:11:08 UTC View
NCHK brsk (brs1) -2.754s
Before 		-128.0 dBm -18.75 dB 7 cc 2acc chat.cap.ru 2026-03-06 21:11:03 UTC View
Meshtastic 8097 (8097) -0.111s
Before 		-121.0 dBm -17.00 dB 7 e4 chat.cap.ru 2026-03-06 21:11:06 UTC View
crane 2 (cra2) -3.831s
Before 		-97.0 dBm -15.25 dB 7 f0 chat.cap.ru 2026-03-06 21:11:02 UTC View
GunWest (Pepe) -3.655s
Before 		-130.0 dBm -13.75 dB 7 f0 chat.cap.ru 2026-03-06 21:11:02 UTC View
8

Total Receptions

8

Unique Gateways