Packet #13062269 Success

POSITION_APP packet from Rivas - Vaciamadrid๐Ÿ—ผ (RVS) to !ffffffff

20
Total Receptions
19
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 13062269
Mesh Packet ID: 0x46545d26
Used for correlation across gateways
Timestamp: 2025-10-01 06:15:34 UTC
From Node: Rivas - Vaciamadrid๐Ÿ—ผ (RVS)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Kenobi23 QTH (5aec)
Channel: MediumSlow
RSSI: -85 dBm
SNR: 7.0 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:40.373453ยฐ
Longitude:-3.529114ยฐ
Altitude:653 m
Precision:16 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!9ea15aec
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9ea15aec
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1452429340
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 1
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -85.0 dBm
Signal strength at gateway
int32
rx_snr 7.00 dB
Signal quality at gateway
float
rx_time 1759299334
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 52
Relay node ID
uint32
tx_after Not set uint32
timestamp 1759299334.9289157
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Packet visible to MQTT subscribers
  • โš  Full GPS precision shared
  • โš  Multi-hop path visible (3 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9ea15aec
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -85.0 dBm
SNR: 7.00 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": 40.3734528, "longitude": -3.5291136, "altitude": 653, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea15aec", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1452429340, "to": 4294967295, "id": 1179933990, "rx_time": 1759299334, "rx_snr": 7.0, "rx_rssi": -85, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 52, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801018150080e5fd188d05252cc7dc6828017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403734528, "longitude_i": -35291136, "altitude": 653, "time": 1759299372, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00801018150080e5fd188d05252cc7dc6828017800800100b80110
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
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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Kenobi23 QTH (5aec) Primary 0.000s
Reference
-85.0 dBm 7.00 dB 3 MediumSlow 2025-10-01 06:15:34 Current
Will - Azuqueca (WAzq) -2.334s
Before
-104.0 dBm 3.75 dB 1 MediumSlow 2025-10-01 06:15:32 View
Perseo ๐Ÿ“ก๐ŸŒโ˜€ (nvm1) -2.327s
Before
-85.0 dBm 5.00 dB 1 MediumSlow 2025-10-01 06:15:32 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -2.322s
Before
-88.0 dBm 4.75 dB 1 MediumSlow 2025-10-01 06:15:32 View
TO_Cala_Base2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (33C8) -2.318s
Before
-124.0 dBm -16.75 dB 1 MediumSlow 2025-10-01 06:15:32 View
Mec Rocket Meco (MRM) -2.306s
Before
-91.0 dBm 6.75 dB 1 MediumSlow 2025-10-01 06:15:32 View
Meshtastic 18a4 (18a4) -2.004s
Before
-120.0 dBm -11.50 dB 1 MediumSlow 2025-10-01 06:15:32 View
Meshtastic 1760 (1760) -1.996s
Before
-130.0 dBm -11.00 dB 1 MediumSlow 2025-10-01 06:15:32 View
Baldur Fijo (BalF) -1.987s
Before
-113.0 dBm -7.00 dB 1 MediumSlow 2025-10-01 06:15:32 View
[TLG] ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (tlg0) -1.964s
Before
-72.0 dBm 9.75 dB 1 MediumSlow 2025-10-01 06:15:32 View
SkG@Home ๐Ÿ“ก๐ŸŒ (SkGH) -1.961s
Before
-116.0 dBm -7.75 dB 1 MediumSlow 2025-10-01 06:15:32 View
Garbanz0๐Ÿ“ก (Gbz0) -1.959s
Before
-119.0 dBm -9.00 dB 1 MediumSlow 2025-10-01 06:15:32 View
Naranjo C191 ๐ŸŒ (FNL) -1.958s
Before
-114.0 dBm -5.50 dB 1 MediumSlow 2025-10-01 06:15:32 View
Glitchs Azuqueca ๐Ÿ“ก (GltA) -1.915s
Before
-117.0 dBm -6.00 dB 1 MediumSlow 2025-10-01 06:15:33 View
Meshtastic c498๐Ÿ“ก๐ŸŒ (C498) -0.554s
Before
-116.0 dBm -13.25 dB 2 MediumSlow 2025-10-01 06:15:34 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) -0.408s
Before
-97.0 dBm -6.75 dB 2 MediumSlow 2025-10-01 06:15:34 View
g1bal (g1b0) +0.967s
After
-96.0 dBm 5.75 dB 3 MediumSlow 2025-10-01 06:15:35 View
Zion ๐Ÿ—ผ (Zion) +5.161s
After
-106.0 dBm -15.25 dB 2 MediumSlow 2025-10-01 06:15:40 View
myounges (msy) +319.857s
After
-138.0 dBm -14.75 dB 2 MediumSlow 2025-10-01 06:20:54 View
myounges (msy) +349.888s
After
-138.0 dBm -14.75 dB 2 MediumSlow 2025-10-01 06:21:24 View
20

Total Receptions

19

Unique Gateways