Packet #18002297 Success

POSITION_APP packet from VE7VU (v7vu) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 18002297
Mesh Packet ID: 0x256d77e0
Used for correlation across gateways
Timestamp: 2026-03-27 20:41:37 UTC
From Node: VE7VU (v7vu)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE7DCX Repeater (7DCX)
Channel: ShortTurbo
RSSI: -47 dBm
SNR: 6.75 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 5c v7vu
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: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:49.623859°
Longitude:-115.946291°
Altitude:960 m
Satellites:11
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:37 bytes
Gateway:!9e779694
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e779694
Node ID format
channel_id ShortTurbo
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1322246236
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 37 bytes size
hop_limit 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -47.0 dBm
Signal strength at gateway
int32
rx_snr 6.75 dB
Signal quality at gateway
float
rx_time 1774644078
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 92
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774644097.9913204
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e779694
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -47.0 dBm
SNR: 6.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.6238592, "longitude": -115.9462912, "altitude": 960, "sats_in_view": 11, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1322246236, "to": 4294967295, "id": 627931104, "rx_time": 1774644078, "rx_snr": 6.75, "rx_rssi": -47, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 92, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000941d150000e4ba18c007256bebc669280258aa0178008001d092db0b98010bb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 496238592, "longitude_i": -1159462912, "altitude": 960, "time": 1774644075, "location_source": "LOC_INTERNAL", "PDOP": 170, "ground_speed": 0, "ground_track": 24562000, "sats_in_view": 11, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000941d150000e4ba18c007256bebc669280258aa0178008001d092db0b98010bb8010d
Hex Analysis:
Size:37 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
VE7DCX Repeater (7DCX) Primary 0.000s
Reference
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:37 UTC Current
VE7DCX Repeater (7DCX) -5.380s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -5.350s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -5.305s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -5.273s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -5.235s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -5.211s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -5.185s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:32 UTC View
VE7DCX Repeater (7DCX) -4.375s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:33 UTC View
VE7DCX Repeater (7DCX) -3.833s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.766s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.694s
Before
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.639s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.587s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.544s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.522s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.484s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.433s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.409s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.351s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.317s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.295s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.248s
Before
-47.0 dBm 6.75 dB 0 5c v7vu MediumFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.222s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -3.197s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:34 UTC View
VE7DCX Repeater (7DCX) -2.618s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:35 UTC View
VE7DCX Repeater (7DCX) -2.032s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:35 UTC View
VE7DCX Repeater (7DCX) -2.008s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:35 UTC View
VE7DCX Repeater (7DCX) -1.465s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:36 UTC View
VE7DCX Repeater (7DCX) -1.402s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:36 UTC View
VE7DCX Repeater (7DCX) -0.915s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:37 UTC View
VE7DCX Repeater (7DCX) -0.903s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:37 UTC View
VE7DCX Repeater (7DCX) -0.885s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:37 UTC View
VE7DCX Repeater (7DCX) -0.477s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortFast 2026-03-27 20:41:37 UTC View
VE7DCX Repeater (7DCX) -0.457s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:37 UTC View
VE7DCX Repeater (7DCX) -0.011s
Before
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:37 UTC View
VE7DCX Repeater (7DCX) +0.012s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.024s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.035s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.046s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.057s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.070s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.092s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.105s
After
-47.0 dBm 6.75 dB 0 5c v7vu ShortTurbo 2026-03-27 20:41:38 UTC View
VE7DCX Repeater (7DCX) +0.120s
After
-47.0 dBm 6.75 dB 0 5c v7vu LongFast 2026-03-27 20:41:38 UTC View
45

Total Receptions

1

Unique Gateways