Packet #701822 Success

POSITION_APP packet from Meshtastic 8170 (8170) to !ffffffff

4
Total Receptions
4
Unique Gateways
7
Hop Count
28
Payload Bytes
Packet Information
Database ID: 701822
Mesh Packet ID: 0xe8481073
Used for correlation across gateways
Timestamp: 2026-04-02 02:48:39 UTC
From Node: Meshtastic 8170 (8170)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 8170 (8170)
Channel: chat.cap.ru
RSSI: Unknown
SNR: Unknown
Hop Info: 7/7 hops
Start: 7, Limit: 0
Relay Node: 70 6f70 , 8170
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:56.097178°
Longitude:47.295693°
Altitude:157 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:!699c8170
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 !699c8170
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 1771864432
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 1775098114
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority BACKGROUND
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 112
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: !699c8170
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": 56.0971776, "longitude": 47.2956928, "altitude": 157, "sats_in_view": null, "precision_bits": 17 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1771864432, "to": 4294967295, "channel": 105, "decoded": { "portnum": "POSITION_APP", "payload": "DQDAbyEVAMAwHBidASUC2c1pKAF4AIABALgBEQ==", "bitfield": 1 }, "id": 3897036915, "rx_time": 1775098114, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 112 }, "channel_id": "chat.cap.ru", "gateway_id": "!699c8170" }, "mesh_packet": { "from": 1771864432, "to": 4294967295, "channel": 105, "decoded": { "portnum": "POSITION_APP", "payload": "DQDAbyEVAMAwHBidASUC2c1pKAF4AIABALgBEQ==", "bitfield": 1, "parsed_payload": { "latitude_i": 560971776, "longitude_i": 472956928, "altitude": 157, "time": 1775098114, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } }, "id": 3897036915, "rx_time": 1775098114, "priority": "BACKGROUND", "hop_start": 7, "relay_node": 112 } }
Raw Packet Data (28 bytes)
0d00c06f211500c0301c189d012502d9cd6928017800800100b80111
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
Meshtastic 8170 (8170) Primary 0.000s
Reference
Unknown Unknown 7 70 6f70 , 8170 chat.cap.ru 2026-04-02 02:48:39 UTC Current
7 hops Gateways that received this packet after 7 hops
Israphel NG (IsrC) +6.546s
After
-102.0 dBm -8.75 dB 7 10 5a10 chat.cap.ru 2026-04-02 02:48:45 UTC View
Meshtastic 6f70 (6f70) +3.423s
After
-64.0 dBm 15.25 dB 7 70 6f70 , 8170 chat.cap.ru 2026-04-02 02:48:42 UTC View
GunWest (Pepe) +8.119s
After
-111.0 dBm -3.50 dB 7 e4 vaya chat.cap.ru 2026-04-02 02:48:47 UTC View
4

Total Receptions

4

Unique Gateways