Packet #28193225 Success

POSITION_APP packet from jopsis_tracker (👾) to !ffffffff

20
Total Receptions
20
Unique Gateways
4
Hop Count
47
Payload Bytes
Packet Information
Database ID: 28193225
Mesh Packet ID: 0x7b229305
Used for correlation across gateways
Timestamp: 2025-12-17 04:00:59 UTC
From Node: jopsis_tracker (👾)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mec Rocket Meco (MRM)
Channel: MediumFast
RSSI: -112 dBm
SNR: -9.5 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Relay Node: 13 Sir
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: 47 bytes
Decoded: Yes
Decoded Data:
Latitude:40.316380°
Longitude:-3.705385°
Altitude:644 m
Satellites:12
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:47 bytes
Gateway:!a0ca8798
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:4 / 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 !a0ca8798
Node ID format
channel_id MediumFast
packet MeshPacket (47 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 47 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -112.0 dBm
Signal strength at gateway 		int32
rx_snr -9.50 dB
Signal quality at gateway 		float
rx_time 1765944059
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 19
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765944059.169435
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0ca8798
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -112.0 dBm
SNR: -9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:47 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.31638, "longitude": -3.705385, "altitude": 644, "sats_in_view": 12, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0ca8798", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 578056401, "to": 4294967295, "id": 2065863429, "rx_time": 1765944059, "rx_snr": -9.5, "rx_rssi": -112, "hop_limit": 1, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 19, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d98ca071815669acafd18840525002b426928023d09294269506658920278008001f881990198010cb00101b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403163800, "longitude_i": -37053850, "altitude": 644, "time": 1765944064, "location_source": "LOC_INTERNAL", "timestamp": 1765943561, "altitude_geoidal_separation": 51, "PDOP": 274, "ground_speed": 0, "ground_track": 2507000, "sats_in_view": 12, "seq_number": 1, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (47 bytes)
0d98ca071815669acafd18840525002b426928023d09294269506658920278008001f881990198010cb00101b80120
Hex Analysis:
Size:47 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
Mec Rocket Meco (MRM) Primary 0.000s
Reference 		-112.0 dBm -9.50 dB 4 13 Sir MediumFast 2025-12-17 04:00:59 UTC Current
🤖 Nicolas Cage 🌐 (Cage) -3.591s
Before 		-119.0 dBm -8.50 dB 0 d1 👾 MediumFast 2025-12-17 04:00:55 UTC View
tizon (Sylv) -2.038s
Before 		-121.0 dBm -12.75 dB 1 5d 🥖 MediumFast 2025-12-17 04:00:57 UTC View
[samsepi0l] 📡🌐 (tlg0) -1.781s
Before 		-96.0 dBm -2.75 dB 3 - MediumFast 2025-12-17 04:00:57 UTC View
Fenix (FENX) -1.604s
Before 		-116.0 dBm -11.25 dB 3 88 KarB , FENX MediumFast 2025-12-17 04:00:57 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -1.409s
Before 		-108.0 dBm -7.75 dB 3 - MediumFast 2025-12-17 04:00:57 UTC View
Karabanchel_Baldur (KarB) -1.400s
Before 		-107.0 dBm -9.25 dB 2 61 Ilde , TO1 MediumFast 2025-12-17 04:00:57 UTC View
JAGO1_Cañaveral (JAGO) -1.081s
Before 		-117.0 dBm -6.75 dB 4 38 tlg0 MediumFast 2025-12-17 04:00:58 UTC View
Varela Bot 🏡🤖 (🤖) -0.385s
Before 		-79.0 dBm 8.50 dB 4 1c 🏡 MediumFast 2025-12-17 04:00:58 UTC View
Meshtastic 870c📡🌐 (870c) -0.235s
Before 		-96.0 dBm 9.25 dB 4 dc d0dc MediumFast 2025-12-17 04:00:58 UTC View
Meshtastic JT01 (JT01) -0.002s
Before 		-126.0 dBm -14.50 dB 4 13 Sir MediumFast 2025-12-17 04:00:59 UTC View
Wake Up, Neo...📡 (NEO) +0.073s
After 		-99.0 dBm -5.00 dB 4 f5 RPT4 MediumFast 2025-12-17 04:00:59 UTC View
flau pruebas (🏐) +0.372s
After 		-91.0 dBm 6.25 dB 4 f5 RPT4 MediumFast 2025-12-17 04:00:59 UTC View
Ocumare Norte🗼🌐 (RRN) +0.393s
After 		-101.0 dBm -6.00 dB 5 b0 Vbm , Vb2 MediumFast 2025-12-17 04:00:59 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) +0.432s
After 		-78.0 dBm 6.25 dB 5 b0 Vbm , Vb2 MediumFast 2025-12-17 04:00:59 UTC View
Meshtastic 1760 (1760) +0.434s
After 		-115.0 dBm -0.25 dB 4 f5 RPT4 MediumFast 2025-12-17 04:00:59 UTC View
Meshtastic 18a4 (18a4) +0.728s
After 		Unknown Unknown 5 60 1760 MediumFast 2025-12-17 04:00:59 UTC View
Villalbilla02 (VBV2) +1.115s
After 		-123.0 dBm -13.50 dB 4 13 Sir MediumFast 2025-12-17 04:01:00 UTC View
Venturada2🗼🌐☀️ (Vb2) +1.241s
After 		-92.0 dBm 1.50 dB 4 13 Sir MediumFast 2025-12-17 04:01:00 UTC View
Skynet (Sky) +40.142s
After 		-94.0 dBm -3.25 dB 0 d1 👾 MediumFast 2025-12-17 04:01:39 UTC View
20

Total Receptions

20

Unique Gateways