Packet #13928263 Success

POSITION_APP packet from jopsis_tracker (70d1) to !ffffffff

18
Total Receptions
18
Unique Gateways
4
Hop Count
46
Payload Bytes
Packet Information
Database ID: 13928263
Mesh Packet ID: 0x63701dc4
Used for correlation across gateways
Timestamp: 2025-10-06 23:52:10 UTC
From Node: jopsis_tracker (70d1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 1760 (1760)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: POSITION_APP
Size: 46 bytes
Decoded: Yes
Decoded Data:
Latitude:40.316768°
Longitude:-3.705430°
Altitude:649 m
Satellites:16
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:46 bytes
Gateway:!c0c31760
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c0c31760
Node ID format
channel_id MediumSlow
packet MeshPacket (46 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 578056401
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 46 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1759794729
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 64
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 164
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759794730.5368588
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: MediumSlow
  • ✓ 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 (4 hops)
MQTT-Specific Fields
Gateway ID: !c0c31760
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:46 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3167683, "longitude": -3.70543, "altitude": 649, "sats_in_view": 16, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c31760", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 578056401, "to": 4294967295, "id": 1668292036, "rx_time": 1759794729, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 164, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dc3d9071815a498cafd188905253056e46828023d1956e4685066586d78008001d8f3b603980110b00101b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403167683, "longitude_i": -37054300, "altitude": 649, "time": 1759794736, "location_source": "LOC_INTERNAL", "timestamp": 1759794713, "altitude_geoidal_separation": 51, "PDOP": 109, "ground_speed": 0, "ground_track": 7191000, "sats_in_view": 16, "seq_number": 1, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (46 bytes)
0dc3d9071815a498cafd188905253056e46828023d1956e4685066586d78008001d8f3b603980110b00101b80120
Hex Analysis:
Size:46 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
Meshtastic 1760 (1760) Primary 0.000s
Reference 		Unknown Unknown 4 MediumSlow 2025-10-06 23:52:10 Current
tizon (Sylv) -4.212s
Before 		-118.0 dBm -8.25 dB 0 MediumSlow 2025-10-06 23:52:06 View
Baldur Fijo (BalF) -2.424s
Before 		-106.0 dBm -1.25 dB 1 MediumSlow 2025-10-06 23:52:08 View
[TLG] 📡🌐🔋🔌 (tlg0) -1.597s
Before 		-103.0 dBm 3.75 dB 2 MediumSlow 2025-10-06 23:52:08 View
Zion 🗼 (Zion) -0.608s
Before 		-109.0 dBm -6.00 dB 3 MediumSlow 2025-10-06 23:52:09 View
Oxygen EA4HKU (O) -0.573s
Before 		-116.0 dBm -11.50 dB 3 MediumSlow 2025-10-06 23:52:09 View
GRN1-Base🗼🌐 (GRN1) -0.356s
Before 		-104.0 dBm -4.75 dB 2 MediumSlow 2025-10-06 23:52:10 View
Carbon EA4HKU (C) -0.304s
Before 		-108.0 dBm 2.25 dB 3 MediumSlow 2025-10-06 23:52:10 View
Meshtastic 18a4 (18a4) -0.244s
Before 		-124.0 dBm -13.00 dB 3 MediumSlow 2025-10-06 23:52:10 View
Venturada2🗼🌐☀️ (Vb2) -0.112s
Before 		-95.0 dBm 0.75 dB 3 MediumSlow 2025-10-06 23:52:10 View
🌐Charly Unid Movil🛰 (C181) -0.007s
Before 		-113.0 dBm -7.25 dB 2 MediumSlow 2025-10-06 23:52:10 View
Meshtastic 870c📡🌐 (870c) +0.713s
After 		-95.0 dBm 4.75 dB 3 MediumSlow 2025-10-06 23:52:11 View
Quass002 ☄️ (Q002) +0.885s
After 		-113.0 dBm -3.00 dB 3 MediumSlow 2025-10-06 23:52:11 View
Quass001 ☄️ (Q001) +0.909s
After 		-108.0 dBm -3.00 dB 3 MediumSlow 2025-10-06 23:52:11 View
Monolito (MoN) +1.022s
After 		-67.0 dBm 8.25 dB 4 MediumSlow 2025-10-06 23:52:11 View
Mec Rocket Meco (MRM) +1.451s
After 		-119.0 dBm -15.75 dB 3 MediumSlow 2025-10-06 23:52:11 View
Machu Pichu (MaPi) +2.164s
After 		-100.0 dBm -6.75 dB 4 MediumSlow 2025-10-06 23:52:12 View
Meshtastic 54a4 Justicia (54a4) +2.209s
After 		-114.0 dBm -6.50 dB 4 MediumSlow 2025-10-06 23:52:12 View
18

Total Receptions

18

Unique Gateways