Packet #18018153 Success

POSITION_APP packet from VE7MRP Repeater (7MRP) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 18018153
Mesh Packet ID: 0x6f2eedc8
Used for correlation across gateways
Timestamp: 2026-03-27 21:37:48 UTC
From Node: VE7MRP Repeater (7MRP)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE7DCX Repeater (7DCX)
Channel: ShortTurbo
RSSI: -107 dBm
SNR: -5.0 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: f9 7MRP
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:49.623859°
Longitude:-115.998720°
Altitude:1089 m
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:23 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 (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1220004857
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 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 -107.0 dBm
Signal strength at gateway
int32
rx_snr -5.00 dB
Signal quality at gateway
float
rx_time 1774647467
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 249
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647468.8479621
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: -107.0 dBm
SNR: -5.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.6238592, "longitude": -115.99872, "altitude": 1089, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1220004857, "to": 4294967295, "id": 1865346504, "rx_time": 1774647467, "rx_snr": -5.0, "rx_rssi": -107, "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": 249, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000941d150000dcba18c1082593f8c6692801b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 496238592, "longitude_i": -1159987200, "altitude": 1089, "time": 1774647443, "location_source": "LOC_MANUAL", "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d0000941d150000dcba18c1082593f8c6692801b8010d
Hex Analysis:
Size:23 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
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC Current
VE7DCX Repeater (7DCX) -0.470s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.445s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.433s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.421s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.409s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.397s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.385s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.374s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.362s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.351s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.341s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.329s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.318s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.307s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.296s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.285s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.272s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.260s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.247s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.235s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.223s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.209s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP MediumFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.197s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.185s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.174s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.163s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.152s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.141s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.131s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.120s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.109s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.097s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.085s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortFast 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.073s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.061s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.049s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.037s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.025s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) -0.010s
Before
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) +0.011s
After
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) +0.022s
After
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) +0.033s
After
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) +0.044s
After
-107.0 dBm -5.00 dB 0 f9 7MRP ShortTurbo 2026-03-27 21:37:48 UTC View
VE7DCX Repeater (7DCX) +0.055s
After
-107.0 dBm -5.00 dB 0 f9 7MRP LongFast 2026-03-27 21:37:48 UTC View
45

Total Receptions

1

Unique Gateways