Packet #17599620 Success

POSITION_APP packet from !db2ad59c to !ffffffff

45
Total Receptions
1
Unique Gateways
6
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17599620
Mesh Packet ID: 0xc584e39d
Used for correlation across gateways
Timestamp: 2026-03-26 23:07:27 UTC
From Node: !db2ad59c (d59c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: ❄ qcmesh.net 1130 (1130)
Channel: ShortFast
RSSI: -57 dBm
SNR: 5.25 dBm
Hop Info: 6/7 hops
Start: 7, Limit: 1
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:46.868070°
Longitude:-71.319552°
Altitude:105 m
Precision:16 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:27 bytes
Gateway:!a20a1130
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:6 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !a20a1130
Node ID format
channel_id ShortFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677017500
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 6
Calculated: hop_start - hop_limit
derived
rx_rssi -57.0 dBm
Signal strength at gateway
int32
rx_snr 5.25 dB
Signal quality at gateway
float
rx_time 1774566441
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 1774566447.677773
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: ShortFast
  • ✓ 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 (6 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a20a1130
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -57.0 dBm
SNR: 5.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.8680704, "longitude": -71.319552, "altitude": 105, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a20a1130", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677017500, "to": 4294967295, "id": 3313820573, "rx_time": 1774566441, "rx_snr": 5.25, "rx_rssi": -57, "hop_limit": 1, "hop_start": 7, "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": "0d0080ef1b1500807dd518692523bcc56928017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 468680704, "longitude_i": -713195520, "altitude": 105, "time": 1774566435, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d0080ef1b1500807dd518692523bcc56928017800800100b80110
Hex Analysis:
Size:27 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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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
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC Current
❄ qcmesh.net 1130 (1130) -0.405s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.378s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.358s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.342s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.325s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.315s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.302s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.291s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.281s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.270s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.255s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.243s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.231s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.219s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.207s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.196s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.184s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.172s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.162s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.151s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.140s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.129s
Before
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.118s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.107s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.096s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.085s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.073s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.061s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.049s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.035s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.023s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.011s
Before
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.012s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.024s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.035s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.062s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.076s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.095s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.106s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.117s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.128s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.140s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.152s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.163s
After
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
45

Total Receptions

1

Unique Gateways