Packet #28428534 Success

POSITION_APP packet from Vellisca🗼☀ (RPT5) to !ffffffff

19
Total Receptions
19
Unique Gateways
4
Hop Count
18
Payload Bytes
Packet Information
Database ID: 28428534
Mesh Packet ID: 0x02209c2b
Used for correlation across gateways
Timestamp: 2025-12-18 07:29:24 UTC
From Node: Vellisca🗼☀ (RPT5)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumFast
RSSI: -57 dBm
SNR: 14.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 60 1760
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: 18 bytes
Decoded: Yes
Decoded Data:
Latitude:40.126275°
Longitude:-2.815301°
Altitude:1196 m
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:18 bytes
Gateway:!c0c318a4
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:4 / 4
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 !c0c318a4
Node ID format
channel_id MediumFast
packet MeshPacket (18 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1407361227
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 18 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 -57.0 dBm
Signal strength at gateway 		int32
rx_snr 14.00 dB
Signal quality at gateway 		float
rx_time 1766043170
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 96
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766042964.903398
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: !c0c318a4
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -57.0 dBm
SNR: 14.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:18 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.126275, "longitude": -2.815301, "altitude": 1196, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1407361227, "to": 4294967295, "id": 35691563, "rx_time": 1766043170, "rx_snr": 14.0, "rx_rssi": -57, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d9ec8ea17154e6b52fe18ac092801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 401262750, "longitude_i": -28153010, "altitude": 1196, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (18 bytes)
0d9ec8ea17154e6b52fe18ac092801b80120
Hex Analysis:
Size:18 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
Meshtastic 18a4 (18a4) Primary 0.000s
Reference 		-57.0 dBm 14.00 dB 4 60 1760 MediumFast 2025-12-18 07:29:24 UTC Current
GRN1-Base🗼🌐 🔋 (GRN1) -2.792s
Before 		-106.0 dBm -9.00 dB 1 - MediumFast 2025-12-18 07:29:22 UTC View
ETH Maverick (ET01) -2.671s
Before 		-107.0 dBm -6.75 dB 1 61 TO1 MediumFast 2025-12-18 07:29:22 UTC View
Quass001 ☄️ (Q001) -2.255s
Before 		-51.0 dBm 11.00 dB 2 3a Q005 MediumFast 2025-12-18 07:29:22 UTC View
Eagle’s Nest (EAGL) -2.253s
Before 		-114.0 dBm -4.75 dB 2 74 MediumFast 2025-12-18 07:29:22 UTC View
P3 iGate 🏠🌐 (P3N2) -2.184s
Before 		-37.0 dBm 10.50 dB 2 25 P3N1 MediumFast 2025-12-18 07:29:22 UTC View
Varela Bot 🏡🤖 (🤖) -2.089s
Before 		-81.0 dBm 9.00 dB 2 1c 🏡 MediumFast 2025-12-18 07:29:22 UTC View
Aldinra_1640_🗼_🌐 (AldB) -2.055s
Before 		-119.0 dBm -9.75 dB 2 f5 RPT4 MediumFast 2025-12-18 07:29:22 UTC View
Villarejo01 (VIL1) -1.948s
Before 		-37.0 dBm 10.00 dB 2 c6 d5c6 MediumFast 2025-12-18 07:29:22 UTC View
PXT_Home (PXT1) -1.768s
Before 		-109.0 dBm -1.00 dB 3 48 mfms MediumFast 2025-12-18 07:29:23 UTC View
Ocumare Norte🗼🌐 (RRN) -1.697s
Before 		-10.0 dBm 10.25 dB 3 6f RRN4 MediumFast 2025-12-18 07:29:23 UTC View
JAGO1_Cañaveral (JAGO) -1.678s
Before 		Unknown 10.50 dB 3 70 JAG2 MediumFast 2025-12-18 07:29:23 UTC View
ETH Goose (ET03) -1.647s
Before 		-39.0 dBm 10.50 dB 2 41 ET01 MediumFast 2025-12-18 07:29:23 UTC View
Mec Rocket Meco (MRM) -1.497s
Before 		-111.0 dBm -10.50 dB 3 13 Sir MediumFast 2025-12-18 07:29:23 UTC View
Quixote_JS8_5🗼🌐 (QXT5) -1.368s
Before 		-114.0 dBm -7.75 dB 3 - MediumFast 2025-12-18 07:29:23 UTC View
Quixote_JS8_7 (QXT7) -1.365s
Before 		-18.0 dBm 11.25 dB 3 - MediumFast 2025-12-18 07:29:23 UTC View
Meshtastic 1760 (1760) -1.337s
Before 		-113.0 dBm 4.75 dB 3 40 AldB MediumFast 2025-12-18 07:29:23 UTC View
Glitchs Azuqueca (GltA) +2.641s
After 		-125.0 dBm -15.00 dB 3 13 Sir MediumFast 2025-12-18 07:29:27 UTC View
Fenix (FENX) +676.476s
After 		-116.0 dBm -10.00 dB 1 61 TO1 MediumFast 2025-12-18 07:40:41 UTC View
19

Total Receptions

19

Unique Gateways