Packet #17817115 Success

POSITION_APP packet from Meshtastic b350 (TBAS) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17817115
Mesh Packet ID: 0x1d7479e0
Used for correlation across gateways
Timestamp: 2026-03-27 10:31:21 UTC
From Node: Meshtastic b350 (TBAS)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 4618 (TMQT)
Channel: MediumFast
RSSI: -35 dBm
SNR: 6.75 dBm
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: 50 TBAS
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:44.632207°
Longitude:-79.984943°
Precision:32 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:!02ee4618
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !02ee4618
Node ID format
channel_id MediumFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1125888848
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 5
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -35.0 dBm
Signal strength at gateway
int32
rx_snr 6.75 dB
Signal quality at gateway
float
rx_time 1774607480
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 80
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774607481.6562698
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: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !02ee4618
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -35.0 dBm
SNR: 6.75 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": 44.632207, "longitude": -79.984943, "altitude": null, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!02ee4618", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1125888848, "to": 4294967295, "id": 494172640, "rx_time": 1774607480, "rx_snr": 6.75, "rx_rssi": -35, "hop_limit": 5, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 80, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d96559a1a152a4453d025715cc669280148007800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 446322070, "longitude_i": -799849430, "time": 1774607473, "location_source": "LOC_MANUAL", "altitude_hae": 0, "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d96559a1a152a4453d025715cc669280148007800800100b80120
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
Meshtastic 4618 (TMQT) Primary 0.000s
Reference
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC Current
Meshtastic 4618 (TMQT) -0.235s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.202s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.184s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.163s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.146s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.134s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.122s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.110s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.099s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.087s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.076s
Before
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.065s
Before
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.054s
Before
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.043s
Before
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.032s
Before
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.022s
Before
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) -0.011s
Before
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.012s
After
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.024s
After
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.037s
After
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.049s
After
-35.0 dBm 6.75 dB 0 50 TBAS MediumFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.060s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.074s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.086s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.097s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.108s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.119s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.129s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.140s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.151s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.162s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.172s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortFast 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.183s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.195s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.207s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.220s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.232s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.244s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.256s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.268s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.280s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.300s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.311s
After
-35.0 dBm 6.75 dB 0 50 TBAS ShortTurbo 2026-03-27 10:31:21 UTC View
Meshtastic 4618 (TMQT) +0.322s
After
-35.0 dBm 6.75 dB 0 50 TBAS LongFast 2026-03-27 10:31:21 UTC View
45

Total Receptions

1

Unique Gateways