Packet #29187466 Success

POSITION_APP packet from eMariete E22P 1160 (eMa7) to !ffffffff

16
Total Receptions
16
Unique Gateways
3
Hop Count
23
Payload Bytes
Packet Information
Database ID: 29187466
Mesh Packet ID: 0xb58fea19
Used for correlation across gateways
Timestamp: 2025-12-21 18:15:14 UTC
From Node: eMariete E22P 1160 (eMa7)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Ocumare Norte🗼🌐 (RRN)
Channel: MediumFast
RSSI: -67 dBm
SNR: 3.0 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 98 TCLB
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:40.470118°
Longitude:-3.727360°
Altitude:649 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:23 bytes
Gateway:!b2a7c8d0
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b2a7c8d0
Node ID format
channel_id MediumFast
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 499192160
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 23 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -67.0 dBm
Signal strength at gateway 		int32
rx_snr 3.00 dB
Signal quality at gateway 		float
rx_time 1766340913
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 152
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766340914.7405922
Unix timestamp 		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: MediumFast
  • ✓ 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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b2a7c8d0
Position Precision: 17 bits (~182.0m accuracy)
Position precision meters: 182.0
Signal Metrics: RSSI: -67.0 dBm
SNR: 3.00 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": 40.4701184, "longitude": -3.72736, "altitude": 649, "sats_in_view": null, "precision_bits": 17 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b2a7c8d0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 499192160, "to": 4294967295, "id": 3046107673, "rx_time": 1766340913, "rx_snr": 3.0, "rx_rssi": -67, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 152, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00401f18150040c7fd18890528017800800100b80111", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404701184, "longitude_i": -37273600, "altitude": 649, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d00401f18150040c7fd18890528017800800100b80111
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 Relay Channel Timestamp Actions
Ocumare Norte🗼🌐 (RRN) Primary 0.000s
Reference 		-67.0 dBm 3.00 dB 3 98 TCLB MediumFast 2025-12-21 18:15:14 UTC Current
GRN1-Base🗼🌐 🔋 (GRN1) -1.892s
Before 		-105.0 dBm -7.25 dB 1 - MediumFast 2025-12-21 18:15:12 UTC View
Venturada2 🗼🌞 (Vb2) -1.533s
Before 		-91.0 dBm -1.25 dB 2 fc Anu2 MediumFast 2025-12-21 18:15:13 UTC View
Wake Up, Neo...📡 (NEO) -1.505s
Before 		-99.0 dBm -5.50 dB 2 f5 RPT4 MediumFast 2025-12-21 18:15:13 UTC View
JAGO1_Cañaveral (JAGO) -1.308s
Before 		-120.0 dBm -10.00 dB 3 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-21 18:15:13 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -1.275s
Before 		-79.0 dBm -8.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-21 18:15:13 UTC View
Eagle’s Nest (EAGL) -1.004s
Before 		-124.0 dBm -14.25 dB 3 61 TO1 MediumFast 2025-12-21 18:15:13 UTC View
Varela Bot 🏡🤖 (🤖) -0.978s
Before 		-85.0 dBm 7.25 dB 2 1c 🏡 MediumFast 2025-12-21 18:15:13 UTC View
Villalbilla02 (VBV2) -0.974s
Before 		-115.0 dBm -7.25 dB 3 b0 Vb2 MediumFast 2025-12-21 18:15:13 UTC View
Meshtastic 1760 (1760) -0.575s
Before 		-132.0 dBm -13.00 dB 3 ec JAS MediumFast 2025-12-21 18:15:14 UTC View
Meshtastic 18a4 (18a4) -0.230s
Before 		-112.0 dBm -8.25 dB 3 40 AldB MediumFast 2025-12-21 18:15:14 UTC View
Aldinra_1640_🗼_🌐 (AldB) -0.145s
Before 		-113.0 dBm -6.75 dB 2 f5 RPT4 MediumFast 2025-12-21 18:15:14 UTC View
Karabanchel_Baldur (KarB) -0.107s
Before 		-101.0 dBm -5.75 dB 2 e6 a9e6 MediumFast 2025-12-21 18:15:14 UTC View
chenton (chtn) +0.443s
After 		-116.0 dBm -5.25 dB 3 b5 MediumFast 2025-12-21 18:15:15 UTC View
Quass001 ☄️ (Q001) +0.524s
After 		-41.0 dBm 10.50 dB 3 3a Q005 MediumFast 2025-12-21 18:15:15 UTC View
🤖 Nicolas Cage 🌐 (Cage) +0.720s
After 		-117.0 dBm -11.25 dB 3 88 KarB MediumFast 2025-12-21 18:15:15 UTC View
16

Total Receptions

16

Unique Gateways