Packet #14075432 Success

POSITION_APP packet from jopsis_base_gtf1 (cf1c) to Solarcito ☀️ (suno)

21
Total Receptions
21
Unique Gateways
1
Hop Count
34
Payload Bytes
Packet Information
Database ID: 14075432
Mesh Packet ID: 0x470b9410
Used for correlation across gateways
Timestamp: 2025-10-07 21:50:36 UTC
From Node: jopsis_base_gtf1 (cf1c)
To Node: Solarcito ☀️ (suno)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: [TLG] 📡🌐🔋🔌 (tlg0)
Channel: MediumSlow
RSSI: -112 dBm
SNR: -4.25 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 34 bytes
Decoded: Yes
Decoded Data:
Latitude:40.316273°
Longitude:-3.705315°
Altitude:638 m
Satellites:7
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:34 bytes
Gateway:!da638a24
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (34 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3644509980
Source node ID 		uint32
to 4188840486
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 34 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -112.0 dBm
Signal strength at gateway 		int32
rx_snr -4.25 dB
Signal quality at gateway 		float
rx_time 1759873834
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 Not set uint32
tx_after Not set uint32
timestamp 1759873836.8984482
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -112.0 dBm
SNR: -4.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:34 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3162726, "longitude": -3.7053153, "altitude": 638, "sats_in_view": 7, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3644509980, "to": 4188840486, "id": 1191941136, "rx_time": 1759873834, "rx_snr": -4.25, "rx_rssi": -112, "hop_limit": 2, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d66c60718151f9dcafd18fe0425268be568280258c4027800800100980107b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403162726, "longitude_i": -37053153, "altitude": 638, "time": 1759873830, "location_source": "LOC_INTERNAL", "PDOP": 324, "ground_speed": 0, "ground_track": 0, "sats_in_view": 7, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (34 bytes)
0d66c60718151f9dcafd18fe0425268be568280258c4027800800100980107b80120
Hex Analysis:
Size:34 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
[TLG] 📡🌐🔋🔌 (tlg0) Primary 0.000s
Reference 		-112.0 dBm -4.25 dB 1 MediumSlow 2025-10-07 21:50:36 Current
Trasto 🐰 Va (trva) -0.944s
Before 		-120.0 dBm -16.00 dB 0 MediumSlow 2025-10-07 21:50:35 View
tizon (Sylv) -0.932s
Before 		-101.0 dBm 5.75 dB 0 MediumSlow 2025-10-07 21:50:35 View
GRN1-Base🗼🌐 (GRN1) +0.030s
After 		-101.0 dBm -2.50 dB 1 MediumSlow 2025-10-07 21:50:36 View
Antonio 82d4 (82d4) +1.323s
After 		-123.0 dBm -13.75 dB 2 MediumSlow 2025-10-07 21:50:38 View
Meshtastic 54a4 Justicia (54a4) +1.383s
After 		-114.0 dBm -6.75 dB 2 MediumSlow 2025-10-07 21:50:38 View
Zion 🗼 (Zion) +1.685s
After 		-108.0 dBm -10.25 dB 3 MediumSlow 2025-10-07 21:50:38 View
Carbon EA4HKU (C) +1.715s
After 		-108.0 dBm -0.50 dB 2 MediumSlow 2025-10-07 21:50:38 View
Suop 📡 🌐 (SUOP) +1.820s
After 		-111.0 dBm -8.25 dB 2 MediumSlow 2025-10-07 21:50:38 View
Kenobi23 QTH (5aec) +2.070s
After 		-100.0 dBm -8.00 dB 2 MediumSlow 2025-10-07 21:50:38 View
Quass002 ☄️ (Q002) +2.108s
After 		Unknown Unknown 3 MediumSlow 2025-10-07 21:50:39 View
XiaoWatt c4c8 🌐🔌 (c4c8) +2.551s
After 		-119.0 dBm -10.50 dB 2 MediumSlow 2025-10-07 21:50:39 View
Quass001 ☄️ (Q001) +2.819s
After 		-104.0 dBm -1.25 dB 2 MediumSlow 2025-10-07 21:50:39 View
Venturada2🗼🌐☀️ (Vb2) +2.836s
After 		-95.0 dBm 2.00 dB 2 MediumSlow 2025-10-07 21:50:39 View
Meshtastic 1760 (1760) +2.850s
After 		-118.0 dBm -3.25 dB 2 MediumSlow 2025-10-07 21:50:39 View
Monolito (MoN) +3.450s
After 		-64.0 dBm 8.25 dB 3 MediumSlow 2025-10-07 21:50:40 View
Mec Rocket Meco (MRM) +3.463s
After 		-110.0 dBm -7.50 dB 2 MediumSlow 2025-10-07 21:50:40 View
Machu Pichu (MaPi) +3.465s
After 		-105.0 dBm -6.00 dB 3 MediumSlow 2025-10-07 21:50:40 View
Meshtastic 18a4 (18a4) +3.480s
After 		-54.0 dBm 10.75 dB 3 MediumSlow 2025-10-07 21:50:40 View
Kenobi23 movil (5672) +4.471s
After 		-46.0 dBm 8.75 dB 3 MediumSlow 2025-10-07 21:50:41 View
Oxygen EA4HKU (O) +9.584s
After 		-61.0 dBm 9.00 dB 3 MediumSlow 2025-10-07 21:50:46 View
21

Total Receptions

21

Unique Gateways