Packet #17599598 Success

POSITION_APP packet from !db2ad59c to !ffffffff

45
Total Receptions
1
Unique Gateways
6
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17599598
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: LongFast
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:LongFast
Payload Type:POSITION_APP
Hop Count:6 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a20a1130
Node ID format
channel_id LongFast
Default public channel
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 1774566447.4231286
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 - LongFast 2026-03-26 23:07:27 UTC Current
❄ qcmesh.net 1130 (1130) -0.150s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.124s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.104s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.088s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.071s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.060s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.047s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.037s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.026s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) -0.016s
Before
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.012s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.024s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.036s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.047s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.059s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.071s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.082s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.093s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.104s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.115s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.125s
After
-57.0 dBm 5.25 dB 6 - MediumFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.136s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.148s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.158s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.169s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.181s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.194s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.206s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.220s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.232s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.243s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.255s
After
-57.0 dBm 5.25 dB 6 - ShortFast 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.266s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.279s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.289s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.317s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.331s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.350s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.361s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.372s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.382s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.394s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.406s
After
-57.0 dBm 5.25 dB 6 - ShortTurbo 2026-03-26 23:07:27 UTC View
❄ qcmesh.net 1130 (1130) +0.418s
After
-57.0 dBm 5.25 dB 6 - LongFast 2026-03-26 23:07:27 UTC View
45

Total Receptions

1

Unique Gateways