Packet #28110705 Success

POSITION_APP packet from Zona Alta Rivas Vaciamadrid 📡 (Raq1) to !ffffffff

21
Total Receptions
21
Unique Gateways
5
Hop Count
15
Payload Bytes
Packet Information
Database ID: 28110705
Mesh Packet ID: 0x77273c8c
Used for correlation across gateways
Timestamp: 2025-12-16 19:16:28 UTC
From Node: Zona Alta Rivas Vaciamadrid 📡 (Raq1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumFast
RSSI: -108 dBm
SNR: -6.25 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Relay Node: d4 ⛩
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: 15 bytes
Decoded: Yes
Decoded Data:
Latitude:40.357069°
Longitude:-3.525837°
Precision:14 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:15 bytes
Gateway:!c0c318a4
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
+ 2 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 !c0c318a4
Node ID format
channel_id MediumFast
packet MeshPacket (15 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677054628
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 15 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 -108.0 dBm
Signal strength at gateway 		int32
rx_snr -6.25 dB
Signal quality at gateway 		float
rx_time 1765912791
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 212
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765912588.322671
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
  • ✓ Reduced position precision: ~1500.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Signal Metrics: RSSI: -108.0 dBm
SNR: -6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:15 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3570688, "longitude": -3.5258368, "altitude": null, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677054628, "to": 4294967295, "id": 1999060108, "rx_time": 1765912791, "rx_snr": -6.25, "rx_rssi": -108, "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": 212, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000e18150000e6fd2801b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403570688, "longitude_i": -35258368, "location_source": "LOC_MANUAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (15 bytes)
0d00000e18150000e6fd2801b8010e
Hex Analysis:
Size:15 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 		-108.0 dBm -6.25 dB 5 d4 ⛩ MediumFast 2025-12-16 19:16:28 UTC Current
Meshtastic 26b0 (26b0) -5.091s
Before 		-102.0 dBm -6.50 dB 1 b0 Vbm , PUPM , 26b0 MediumFast 2025-12-16 19:16:23 UTC View
Eagle’s Nest (EAGL) -4.903s
Before 		-107.0 dBm 2.00 dB 1 74 MediumFast 2025-12-16 19:16:23 UTC View
g1bal (g1b0) -4.863s
Before 		-115.0 dBm -6.75 dB 2 b0 26b0 MediumFast 2025-12-16 19:16:23 UTC View
Ocumare Norte🗼🌐 (RRN) -4.856s
Before 		-104.0 dBm -7.50 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-16 19:16:23 UTC View
JAGO1_Cañaveral (JAGO) -4.852s
Before 		-120.0 dBm -12.00 dB 2 b0 Vbm , PUPM , 26b0 MediumFast 2025-12-16 19:16:23 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -4.832s
Before 		-80.0 dBm 7.00 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-16 19:16:23 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -4.509s
Before 		-106.0 dBm -9.75 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-16 19:16:23 UTC View
Karabanchel_Baldur (KarB) -3.920s
Before 		-90.0 dBm 3.25 dB 3 24 vid MediumFast 2025-12-16 19:16:24 UTC View
Wake Up, Neo...📡 (NEO) -3.812s
Before 		-110.0 dBm -13.25 dB 3 98 MediumFast 2025-12-16 19:16:24 UTC View
[samsepi0l] 📡🌐 (tlg0) -3.710s
Before 		-76.0 dBm -5.50 dB 3 fc 74fc , Anu2 MediumFast 2025-12-16 19:16:24 UTC View
Skynet (Sky) -3.656s
Before 		-65.0 dBm 10.50 dB 3 24 vid MediumFast 2025-12-16 19:16:24 UTC View
tizon (Sylv) -3.614s
Before 		-114.0 dBm -5.75 dB 3 24 vid MediumFast 2025-12-16 19:16:24 UTC View
Fenix (FENX) -3.598s
Before 		-120.0 dBm -13.50 dB 3 24 vid MediumFast 2025-12-16 19:16:24 UTC View
Rodashtastic🗼🌐 (RDSt) -3.556s
Before 		-118.0 dBm -11.00 dB 3 e8 GRN1 MediumFast 2025-12-16 19:16:24 UTC View
Villarejo01 (VIL1) -3.040s
Before 		-35.0 dBm 10.75 dB 3 c6 d5c6 MediumFast 2025-12-16 19:16:25 UTC View
Quass001 ☄️ (Q001) -2.878s
Before 		-45.0 dBm 10.50 dB 4 3a Q005 MediumFast 2025-12-16 19:16:25 UTC View
P3 iGate 🏠🌐 (P3N2) -2.835s
Before 		-42.0 dBm 10.75 dB 3 25 P3N1 MediumFast 2025-12-16 19:16:25 UTC View
PXT_Home (PXT1) -2.515s
Before 		-110.0 dBm -4.00 dB 5 48 mfms MediumFast 2025-12-16 19:16:25 UTC View
MakeSpaceMadrid (MKS) -2.312s
Before 		-98.0 dBm 9.25 dB 5 d1 MKS2 MediumFast 2025-12-16 19:16:26 UTC View
Meshtastic 1760 (1760) -0.003s
Before 		-122.0 dBm -4.00 dB 5 d4 ⛩ , P 2 MediumFast 2025-12-16 19:16:28 UTC View
21

Total Receptions

21

Unique Gateways