Packet #18024205 Success

POSITION_APP packet from VC3 to !ffffffff

45
Total Receptions
1
Unique Gateways
2
Hop Count
22
Payload Bytes
Packet Information
Database ID: 18024205
Mesh Packet ID: 0xb67fdf25
Used for correlation across gateways
Timestamp: 2026-03-27 21:58:40 UTC
From Node: VC3 (5580)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: lizfort joyce-collingwood (lfjc)
Channel: ShortFast
RSSI: -45 dBm
SNR: 7.25 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Relay Node: f8
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:49.256858°
Longitude:-123.024179°
Altitude:110 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:22 bytes
Gateway:!73ab1026
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !73ab1026
Node ID format
channel_id ShortFast
packet MeshPacket (22 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 861689216
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 22 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -45.0 dBm
Signal strength at gateway
int32
rx_snr 7.25 dB
Signal quality at gateway
float
rx_time 1774648718
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 248
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774648720.5626965
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
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !73ab1026
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -45.0 dBm
SNR: 7.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.2568576, "longitude": -123.0241792, "altitude": 110, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!73ab1026", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 861689216, "to": 4294967295, "id": 3061833509, "rx_time": 1774648718, "rx_snr": 7.25, "rx_rssi": -45, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 248, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00005c1d150000acb6186e28017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 492568576, "longitude_i": -1230241792, "altitude": 110, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d00005c1d150000acb6186e28017800800100b8010d
Hex Analysis:
Size:22 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
lizfort joyce-collingwood (lfjc) Primary 0.000s
Reference
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC Current
lizfort joyce-collingwood (lfjc) -1.457s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.215s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.200s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.181s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.166s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.147s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.124s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -1.106s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.748s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.737s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.719s
Before
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.706s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.687s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.673s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.643s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.632s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.615s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.603s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.590s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.564s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:39 UTC View
lizfort joyce-collingwood (lfjc) -0.544s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.532s
Before
-45.0 dBm 7.25 dB 2 f8 MediumFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.501s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.489s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.123s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.111s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.085s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.074s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.062s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.044s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.023s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) -0.011s
Before
-45.0 dBm 7.25 dB 2 f8 ShortFast 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.027s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.043s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.380s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.394s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.407s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.419s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.431s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:40 UTC View
lizfort joyce-collingwood (lfjc) +0.444s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:41 UTC View
lizfort joyce-collingwood (lfjc) +0.467s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:41 UTC View
lizfort joyce-collingwood (lfjc) +0.481s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:41 UTC View
lizfort joyce-collingwood (lfjc) +0.494s
After
-45.0 dBm 7.25 dB 2 f8 ShortTurbo 2026-03-27 21:58:41 UTC View
lizfort joyce-collingwood (lfjc) +0.509s
After
-45.0 dBm 7.25 dB 2 f8 LongFast 2026-03-27 21:58:41 UTC View
45

Total Receptions

1

Unique Gateways