Packet #5870235 Success

POSITION_APP packet from nimbo78_repeater_seligerskaya (n78r) to Sunshine (SUN)

19
Total Receptions
19
Unique Gateways
2
Hop Count
23
Payload Bytes
Packet Information
Database ID: 5870235
Mesh Packet ID: 0x312dcbc5
Used for correlation across gateways
Timestamp: 2026-01-14 05:27:34 UTC
From Node: nimbo78_repeater_seligerskaya (n78r)
To Node: Sunshine (SUN)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Fostral (FSTR)
Channel: LongFast
RSSI: -82 dBm
SNR: -14.0 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:55.860306°
Longitude:37.541120°
Altitude:160 m
Precision:32 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:23 bytes
Gateway:!1309d640
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:2 / 3
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
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !1309d640
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770341828
Source node ID 		uint32
to 313538432
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 23 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 -82.0 dBm
Signal strength at gateway 		int32
rx_snr -14.00 dB
Signal quality at gateway 		float
rx_time 1768357654
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 248
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1768357654.9856458
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)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !1309d640
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -82.0 dBm
SNR: -14.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 55.860306, "longitude": 37.54112, "altitude": 160, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!1309d640", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770341828, "to": 313538432, "id": 825084869, "rx_time": 1768357654, "rx_snr": -14.0, "rx_rssi": -82, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 248, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d349b4b21150052601618a0012504ff66692801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 558603060, "longitude_i": 375411200, "altitude": 160, "time": 1768357636, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d349b4b21150052601618a0012504ff66692801b80120
Hex Analysis:
Size:23 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 Channel Timestamp Actions
Fostral (FSTR) Primary 0.000s
Reference 		-82.0 dBm -14.00 dB 2 LongFast 2026-01-14 05:27:34 Current
Zoͦmͫвⷡiͥeͤ [GW8] (🧟) -10.244s
Before 		-98.0 dBm -2.75 dB 0 LongFast 2026-01-14 05:27:24 View
Medved GW8 (MED8) -10.193s
Before 		-113.0 dBm -12.25 dB 0 LongFast 2026-01-14 05:27:24 View
Koptevo-8-MQTT (BM8M) -9.968s
Before 		-117.0 dBm -15.50 dB 0 LongFast 2026-01-14 05:27:25 View
patch866 (pth8) -6.075s
Before 		-66.0 dBm 3.25 dB 1 LongFast 2026-01-14 05:27:28 View
EGarpunov 2 868 (Base) (BAO) (EG28) -0.230s
Before 		-112.0 dBm -10.25 dB 2 LongFast 2026-01-14 05:27:34 View
SYSXX YGW8 (SXY8) -0.062s
Before 		-99.0 dBm -12.25 dB 2 LongFast 2026-01-14 05:27:34 View
hmbm (f55c) +0.077s
After 		-101.0 dBm -8.75 dB 2 LongFast 2026-01-14 05:27:35 View
BBS Восток (DM📲) (BBSv) +0.165s
After 		-98.0 dBm -6.00 dB 2 LongFast 2026-01-14 05:27:35 View
Butyrskaya 868 (But8) +0.272s
After 		-103.0 dBm -1.50 dB 2 LongFast 2026-01-14 05:27:35 View
RN3ABX Georgy 2 (ABX2) +7.965s
After 		-115.0 dBm -12.25 dB 1 LongFast 2026-01-14 05:27:42 View
SYSXX BGW8 (SXB8) +8.968s
After 		-121.0 dBm -13.50 dB 2 LongFast 2026-01-14 05:27:43 View
SYSXX OGW8 (SXG8) +57.276s
After 		-58.0 dBm 6.75 dB 3 LongFast 2026-01-14 05:28:32 View
ZA_MKAD_22_868_1 (8681) +117.602s
After 		-136.0 dBm -16.00 dB 1 LongFast 2026-01-14 05:29:32 View
Dragon868-1 (D1) +117.629s
After 		-104.0 dBm -2.75 dB 1 LongFast 2026-01-14 05:29:32 View
NODE_SOLAR_868 (8682) +117.966s
After 		Unknown Unknown 2 LongFast 2026-01-14 05:29:32 View
ZA_MKAD_22_433_2 (4332) +117.986s
After 		Unknown Unknown 2 LongFast 2026-01-14 05:29:32 View
Aster-02 (AST2) +139.807s
After 		-102.0 dBm -15.25 dB 2 LongFast 2026-01-14 05:29:54 View
Zamkad8 (zmkd) +140.140s
After 		-110.0 dBm 0.25 dB 2 LongFast 2026-01-14 05:29:55 View
19

Total Receptions

19

Unique Gateways