Packet #27084951 Success

POSITION_APP packet from jopsis_tracker (👾) to !ffffffff

28
Total Receptions
28
Unique Gateways
2
Hop Count
46
Payload Bytes
Packet Information
Database ID: 27084951
Mesh Packet ID: 0xa7215c0c
Used for correlation across gateways
Timestamp: 2025-12-12 00:36:30 UTC
From Node: jopsis_tracker (👾)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: GRN1-Base🗼🌐 🔋 (GRN1)
Channel: MediumFast
RSSI: -97 dBm
SNR: 4.75 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: b0 Vbm , Vb2
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: 46 bytes
Decoded: Yes
Decoded Data:
Latitude:40.316858°
Longitude:-3.705417°
Altitude:677 m
Satellites:17
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:!43b706e8
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:2 / 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 !43b706e8
Node ID format
channel_id MediumFast
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 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -97.0 dBm
Signal strength at gateway 		int32
rx_snr 4.75 dB
Signal quality at gateway 		float
rx_time 1765499788
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765499790.8160415
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 (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b706e8
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -97.0 dBm
SNR: 4.75 dB
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": 40.3168583, "longitude": -3.7054166, "altitude": 677, "sats_in_view": 17, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b706e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 578056401, "to": 4294967295, "id": 2803981324, "rx_time": 1765499788, "rx_snr": 4.75, "rx_rssi": -97, "hop_limit": 3, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d47dd0718152a99cafd18a50525bd633b6928023dd2623b69506658950178008001b8ed0d980111b00101b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403168583, "longitude_i": -37054166, "altitude": 677, "time": 1765499837, "location_source": "LOC_INTERNAL", "timestamp": 1765499602, "altitude_geoidal_separation": 51, "PDOP": 149, "ground_speed": 0, "ground_track": 227000, "sats_in_view": 17, "seq_number": 1, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (46 bytes)
0d47dd0718152a99cafd18a50525bd633b6928023dd2623b69506658950178008001b8ed0d980111b00101b80120
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 Relay Channel Timestamp Actions
GRN1-Base🗼🌐 🔋 (GRN1) Primary 0.000s
Reference 		-97.0 dBm 4.75 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-12 00:36:30 UTC Current
tizon (Sylv) -0.846s
Before 		-37.0 dBm 10.75 dB 1 0c Sylv MediumFast 2025-12-12 00:36:29 UTC View
Wake Up, Neo...📡 (NEO) -0.658s
Before 		-98.0 dBm Unknown 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Meshtastic b2b4📡🌐 (b2b4) -0.655s
Before 		-95.0 dBm 4.75 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Karabanchel_Baldur (KarB) -0.653s
Before 		-79.0 dBm 10.25 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
🎄 SkG@Home 📡🌐 (SkGH) -0.651s
Before 		-92.0 dBm -5.25 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
ETH Gripen (ET39) -0.648s
Before 		-82.0 dBm -11.00 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -0.625s
Before 		-93.0 dBm -2.00 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
[samsepi0l] 📡🌐 (tlg0) -0.623s
Before 		-104.0 dBm -11.25 dB 1 24 vid , tlg3 , c724 MediumFast 2025-12-12 00:36:30 UTC View
mario (mmm) -0.498s
Before 		-109.0 dBm -6.00 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
📡Charly Movil🛰 (C185) -0.389s
Before 		-88.0 dBm 2.00 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Test_Skynet_01 (TS01) -0.371s
Before 		-73.0 dBm 10.75 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
srs-h3 📡🌐 (srs0) -0.367s
Before 		-122.0 dBm -11.75 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Meshtastic ca85 (ca85) -0.365s
Before 		-106.0 dBm -7.25 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Ocumare Norte🗼🌐 (RRN) -0.363s
Before 		-101.0 dBm -6.50 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-12 00:36:30 UTC View
Meshtastic 870c📡🌐 (870c) -0.318s
Before 		-112.0 dBm -4.25 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Getafe ☀️ (GTF) -0.208s
Before 		-105.0 dBm 3.75 dB 1 24 vid MediumFast 2025-12-12 00:36:30 UTC View
Meshtastic 1760 (1760) +0.004s
After 		-128.0 dBm -7.75 dB 2 b0 Vb2 MediumFast 2025-12-12 00:36:30 UTC View
Mec Rocket Meco (MRM) +0.342s
After 		-109.0 dBm -8.00 dB 1 24 vid MediumFast 2025-12-12 00:36:31 UTC View
Meshtastic 18a4 (18a4) +0.555s
After 		Unknown Unknown 3 60 1760 MediumFast 2025-12-12 00:36:31 UTC View
Villarejo01 (VIL1) +0.563s
After 		-115.0 dBm -10.25 dB 2 61 TO1 MediumFast 2025-12-12 00:36:31 UTC View
Eagle’s Nest (EAGL) +0.961s
After 		-113.0 dBm -4.50 dB 3 74 MediumFast 2025-12-12 00:36:31 UTC View
PXT_Home (PXT1) +1.156s
After 		-95.0 dBm 10.00 dB 3 fd BAS2 MediumFast 2025-12-12 00:36:31 UTC View
Justicia Meshtastic b0e4 🏢 (b0e4) +1.252s
After 		-118.0 dBm -12.75 dB 2 25 🌇 MediumFast 2025-12-12 00:36:32 UTC View
EA4GGL (4GGL) +1.259s
After 		-129.0 dBm -12.25 dB 2 25 🌇 MediumFast 2025-12-12 00:36:32 UTC View
MakeSpaceMadrid (MKS) +1.733s
After 		-96.0 dBm 10.25 dB 3 d1 MKS2 MediumFast 2025-12-12 00:36:32 UTC View
P3 iGate 🏠🌐 (P3N2) +1.998s
After 		-37.0 dBm 11.00 dB 3 25 P3N1 MediumFast 2025-12-12 00:36:32 UTC View
JAGO1_Cañaveral (JAGO) +3.581s
After 		-118.0 dBm -10.00 dB 4 84 SNM , Ancr , 📡 MediumFast 2025-12-12 00:36:34 UTC View
28

Total Receptions

28

Unique Gateways