Packet #27784636 Success

POSITION_APP packet from Eagle’s Nest (EAGL) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

10
Total Receptions
10
Unique Gateways
2
Hop Count
29
Payload Bytes
Packet Information
Database ID: 27784636
Mesh Packet ID: 0x7c3b883a
Used for correlation across gateways
Timestamp: 2025-12-15 08:52:52 UTC
From Node: Eagle’s Nest (EAGL)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: ETH Maverick (ET01)
Channel: MediumFast
RSSI: -95 dBm
SNR: 4.0 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Relay Node: 72 Knb1
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: 29 bytes
Decoded: Yes
Decoded Data:
Latitude:40.350515°
Longitude:-3.519283°
Altitude:621 m
Satellites:7
Precision:15 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:29 bytes
Gateway:!2e061241
Channel:MediumFast
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
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !2e061241
Node ID format
channel_id MediumFast
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1130084224
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 29 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 -95.0 dBm
Signal strength at gateway 		int32
rx_snr 4.00 dB
Signal quality at gateway 		float
rx_time 1765788770
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 114
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765788772.34382
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
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !2e061241
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Signal Metrics: RSSI: -95.0 dBm
SNR: 4.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:29 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3505152, "longitude": -3.5192832, "altitude": 621, "sats_in_view": 7, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!2e061241", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1130084224, "to": 1129719940, "id": 2084276282, "rx_time": 1765788770, "rx_snr": 4.0, "rx_rssi": -95, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 114, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000d18150000e7fd18ed04252acc3f69280258910a980107b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403505152, "longitude_i": -35192832, "altitude": 621, "time": 1765788714, "location_source": "LOC_INTERNAL", "PDOP": 1297, "sats_in_view": 7, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (29 bytes)
0d00000d18150000e7fd18ed04252acc3f69280258910a980107b8010f
Hex Analysis:
Size:29 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
ETH Maverick (ET01) Primary 0.000s
Reference 		-95.0 dBm 4.00 dB 2 72 Knb1 MediumFast 2025-12-15 08:52:52 UTC Current
Eagle’s Nest (EAGL) -38.078s
Before 		Unknown Unknown 0 80 EAGL MediumFast 2025-12-15 08:52:14 UTC View
ETH Goose (ET03) -0.922s
Before 		-114.0 dBm -10.25 dB 2 72 Knb1 MediumFast 2025-12-15 08:52:51 UTC View
Venturada2 🗼🌞 (Vb2) +33.101s
After 		-100.0 dBm -9.50 dB 3 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-15 08:53:25 UTC View
JAGO1_Cañaveral (JAGO) +33.610s
After 		-120.0 dBm -10.50 dB 4 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-15 08:53:25 UTC View
Ocumare Norte🗼🌐 (RRN) +33.619s
After 		-107.0 dBm -12.00 dB 4 b0 Vbm , Vb2 MediumFast 2025-12-15 08:53:25 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) +33.638s
After 		-78.0 dBm 7.75 dB 4 b0 Vbm , Vb2 MediumFast 2025-12-15 08:53:25 UTC View
NodeJPL6 (JPL6) +33.684s
After 		-100.0 dBm -12.50 dB 4 b0 Vb2 MediumFast 2025-12-15 08:53:26 UTC View
Rodashtastic🗼🌐 (RDSt) +33.837s
After 		-123.0 dBm -14.25 dB 4 b0 Vb2 MediumFast 2025-12-15 08:53:26 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +33.848s
After 		-94.0 dBm 0.50 dB 4 b0 Vbm , Vb2 MediumFast 2025-12-15 08:53:26 UTC View
10

Total Receptions

10

Unique Gateways