Packet #29041419 Success

POSITION_APP packet from HeliosBase 🔆 (HelB) to !ffffffff

27
Total Receptions
27
Unique Gateways
5
Hop Count
28
Payload Bytes
Packet Information
Database ID: 29041419
Mesh Packet ID: 0x3e9666d3
Used for correlation across gateways
Timestamp: 2025-12-21 01:57:17 UTC
From Node: HeliosBase 🔆 (HelB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Quass001 ☄️ (Q001)
Channel: MediumFast
RSSI: -34 dBm
SNR: 10.5 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Relay Node: 3a Q005
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:40.313242°
Longitude:-3.877683°
Altitude:656 m
Precision:19 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:28 bytes
Gateway:!9e9a932c
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:5 / 5
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 !9e9a932c
Node ID format
channel_id MediumFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3679544228
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 28 bytes size
hop_limit Not set uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 5
Calculated: hop_start - hop_limit 		derived
rx_rssi -34.0 dBm
Signal strength at gateway 		int32
rx_snr 10.50 dB
Signal quality at gateway 		float
rx_time 1766282235
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 58
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766282237.3986971
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 (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e9a932c
Position Precision: 19 bits (~45.0m accuracy)
Position precision meters: 45.0
Signal Metrics: RSSI: -34.0 dBm
SNR: 10.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3132416, "longitude": -3.8776832, "altitude": 656, "sats_in_view": null, "precision_bits": 19 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9a932c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679544228, "to": 4294967295, "id": 1050044115, "rx_time": 1766282235, "rx_snr": 10.5, "rx_rssi": -34, "hop_limit": 0, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 58, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00500718150050b0fd18900525f153476928037800800100b80113", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403132416, "longitude_i": -38776832, "altitude": 656, "time": 1766282225, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 19, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00500718150050b0fd18900525f153476928037800800100b80113
Hex Analysis:
Size:28 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
Quass001 ☄️ (Q001) Primary 0.000s
Reference 		-34.0 dBm 10.50 dB 5 3a Q005 MediumFast 2025-12-21 01:57:17 UTC Current
PXT_Home (PXT1) -9.829s
Before 		-99.0 dBm 8.75 dB 1 fd BAS2 MediumFast 2025-12-21 01:57:07 UTC View
JAGO1_Cañaveral (JAGO) -8.380s
Before 		-97.0 dBm 8.00 dB 3 ab Hch MediumFast 2025-12-21 01:57:09 UTC View
🎄 SkG@Home 📡🌐 (SkGH) -8.291s
Before 		-94.0 dBm -6.00 dB 2 61 TO1 MediumFast 2025-12-21 01:57:09 UTC View
Eagle’s Nest (EAGL) -8.282s
Before 		-123.0 dBm -13.25 dB 2 61 TO1 MediumFast 2025-12-21 01:57:09 UTC View
ETH Maverick (ET01) -8.035s
Before 		-105.0 dBm -14.25 dB 2 61 TO1 MediumFast 2025-12-21 01:57:09 UTC View
EA4IGE_Alco (astu) -7.746s
Before 		-123.0 dBm -13.25 dB 3 64 MediumFast 2025-12-21 01:57:09 UTC View
Venturada2 🗼🌞 (Vb2) -7.544s
Before 		-78.0 dBm 9.75 dB 2 10 Vb MediumFast 2025-12-21 01:57:09 UTC View
X Wing 🚀 Kenobi (Knb2) -7.144s
Before 		-111.0 dBm -4.75 dB 2 61 TO1 MediumFast 2025-12-21 01:57:10 UTC View
Wake Up, Neo...📡 (NEO) -6.772s
Before 		-107.0 dBm -10.00 dB 4 14 POZ1 MediumFast 2025-12-21 01:57:10 UTC View
GRN2-Cli 📡🔋 (GRN2) -6.613s
Before 		-132.0 dBm -10.25 dB 3 b0 Vb2 MediumFast 2025-12-21 01:57:10 UTC View
Mikasa 🧣 📟 (🧣) -6.610s
Before 		-104.0 dBm -3.25 dB 3 b0 Vb2 MediumFast 2025-12-21 01:57:10 UTC View
Villalbilla02 (VBV2) -6.316s
Before 		-116.0 dBm -6.25 dB 3 b0 Vb2 MediumFast 2025-12-21 01:57:11 UTC View
ETH Goose (ET03) -6.304s
Before 		-26.0 dBm 11.25 dB 3 41 ET01 MediumFast 2025-12-21 01:57:11 UTC View
Ocumare Norte🗼🌐 (RRN) -6.268s
Before 		-99.0 dBm -3.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-21 01:57:11 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -6.239s
Before 		-79.0 dBm 8.00 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-21 01:57:11 UTC View
g1bal (g1b0) -5.845s
Before 		-108.0 dBm -2.25 dB 3 f5 RPT4 MediumFast 2025-12-21 01:57:11 UTC View
🤖 Nicolas Cage 🌐 (Cage) -5.775s
Before 		-100.0 dBm 7.50 dB 4 5d 🥖 MediumFast 2025-12-21 01:57:11 UTC View
tizon (Sylv) -5.734s
Before 		-112.0 dBm -4.75 dB 4 5d 🥖 MediumFast 2025-12-21 01:57:11 UTC View
Meshtastic 1760 (1760) -5.508s
Before 		-120.0 dBm -2.25 dB 3 f5 RPT4 MediumFast 2025-12-21 01:57:11 UTC View
Aldinra_1640_🗼_🌐 (AldB) -5.486s
Before 		-120.0 dBm -10.50 dB 3 f5 RPT4 MediumFast 2025-12-21 01:57:11 UTC View
EA4GGL (4GGL) -5.443s
Before 		-127.0 dBm -9.50 dB 4 14 POZ1 MediumFast 2025-12-21 01:57:11 UTC View
Quixote_JS8_7 (QXT7) -5.254s
Before 		-18.0 dBm 11.00 dB 4 - MediumFast 2025-12-21 01:57:12 UTC View
Quixote_JS8_5🗼🌐 (QXT5) -5.252s
Before 		-115.0 dBm -7.00 dB 4 - MediumFast 2025-12-21 01:57:12 UTC View
Meshtastic 18a4 (18a4) -5.246s
Before 		Unknown Unknown 4 60 1760 MediumFast 2025-12-21 01:57:12 UTC View
Pozuelo (POZ1) -3.297s
Before 		-89.0 dBm -9.25 dB 3 b0 Vb2 MediumFast 2025-12-21 01:57:14 UTC View
Skynet (Sky) +6.136s
After 		-103.0 dBm -8.50 dB 5 d1 👾 MediumFast 2025-12-21 01:57:23 UTC View
27

Total Receptions

27

Unique Gateways