Packet #17998923 Success

POSITION_APP packet from VA7KJL (7KJL) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17998923
Mesh Packet ID: 0xa0eb7ccd
Used for correlation across gateways
Timestamp: 2026-03-27 20:30:11 UTC
From Node: VA7KJL (7KJL)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE7DCX Repeater (7DCX)
Channel: ShortTurbo
RSSI: -107 dBm
SNR: -7.75 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:49.610752°
Longitude:-115.854541°
Altitude:945 m
Precision:14 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:28 bytes
Gateway:!9e779694
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:1 / 7
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 !9e779694
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3758941512
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 6
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -107.0 dBm
Signal strength at gateway
int32
rx_snr -7.75 dB
Signal quality at gateway
float
rx_time 1774643409
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 1774643411.1036642
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: ~1500.0m 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: !9e779694
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Signal Metrics: RSSI: -107.0 dBm
SNR: -7.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.610752, "longitude": -115.8545408, "altitude": 945, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3758941512, "to": 4294967295, "id": 2699787469, "rx_time": 1774643409, "rx_snr": -7.75, "rx_rssi": -107, "hop_limit": 6, "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": "0d0000921d150000f2ba18b10725cee8c66928017800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 496107520, "longitude_i": -1158545408, "altitude": 945, "time": 1774643406, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000921d150000f2ba18b10725cee8c66928017800800100b8010e
Hex Analysis:
Size:28 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 -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC Current
VE7DCX Repeater (7DCX) -0.872s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.822s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.775s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.742s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.723s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.700s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.669s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.639s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.618s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.598s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.564s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.545s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.523s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.492s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.442s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.405s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.381s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.357s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.316s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.293s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.276s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.261s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP MediumFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.243s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.219s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.199s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.183s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.154s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.131s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.107s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:10 UTC View
VE7DCX Repeater (7DCX) -0.085s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) -0.058s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) -0.044s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) -0.027s
Before
-107.0 dBm -7.75 dB 1 f9 7MRP ShortFast 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.020s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.037s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.049s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.063s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.079s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.096s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.119s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.154s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.171s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.184s
After
-107.0 dBm -7.75 dB 1 f9 7MRP ShortTurbo 2026-03-27 20:30:11 UTC View
VE7DCX Repeater (7DCX) +0.203s
After
-107.0 dBm -7.75 dB 1 f9 7MRP LongFast 2026-03-27 20:30:11 UTC View
45

Total Receptions

1

Unique Gateways