Packet #40715484 Success

POSITION_APP packet from Kaze e19f (KAZE) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
36
Payload Bytes
Packet Information
Database ID: 40715484
Mesh Packet ID: 0x8aa1d867
Used for correlation across gateways
Timestamp: 2026-05-19 09:08:24 UTC
From Node: Kaze e19f (KAZE)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: ❄ qcmesh.net 1130 (1130)
Channel: ShortTurbo
RSSI: -77 dBm
SNR: 4.0 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:46.792704°
Longitude:-71.224525°
Altitude:58 m
Satellites:6
Precision:13 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:36 bytes
Gateway:!a20a1130
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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 !a20a1130
Node ID format
channel_id ShortTurbo
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1575281055
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 36 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -77.0 dBm
Signal strength at gateway
int32
rx_snr 4.00 dB
Signal quality at gateway
float
rx_time 1779181703
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 Not set uint32
tx_after Not set uint32
timestamp 1779181704.6391602
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a20a1130
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -77.0 dBm
SNR: 4.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.792704, "longitude": -71.2245248, "altitude": 58, "sats_in_view": 6, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a20a1130", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1575281055, "to": 4294967295, "id": 2325862503, "rx_time": 1779181703, "rx_snr": 4.0, "rx_rssi": -77, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000e41b1500008cd5183a25a4280c6a280258c50178388001c09eae10980106b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 467927040, "longitude_i": -712245248, "altitude": 58, "time": 1779181732, "location_source": "LOC_INTERNAL", "PDOP": 197, "ground_speed": 56, "ground_track": 34312000, "sats_in_view": 6, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d0000e41b1500008cd5183a25a4280c6a280258c50178388001c09eae10980106b8010d
Hex Analysis:
Size:36 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...

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
❄ qcmesh.net 1130 (1130) Primary 0.000s
Reference
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC Current
❄ qcmesh.net 1130 (1130) -0.563s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.534s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.522s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.511s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.494s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.483s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.471s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.457s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.446s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.435s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.424s
Before
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.411s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.388s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.375s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.362s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.350s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.336s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.322s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.310s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.299s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.287s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.276s
Before
-77.0 dBm 4.00 dB 1 - MediumFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.264s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.252s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.241s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.228s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.217s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.204s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.190s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.177s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.163s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.151s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.131s
Before
-77.0 dBm 4.00 dB 1 - ShortFast 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.111s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.096s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.085s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.072s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.061s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.048s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.036s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.025s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) -0.013s
Before
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) +0.012s
After
-77.0 dBm 4.00 dB 1 - ShortTurbo 2026-05-19 09:08:24 UTC View
❄ qcmesh.net 1130 (1130) +0.025s
After
-77.0 dBm 4.00 dB 1 - LongFast 2026-05-19 09:08:24 UTC View
45

Total Receptions

1

Unique Gateways