Packet #39540784 Success

POSITION_APP packet from !da5c8828 to !ffffffff

45
Total Receptions
1
Unique Gateways
5
Hop Count
27
Payload Bytes
Packet Information
Database ID: 39540784
Mesh Packet ID: 0x3374ad04
Used for correlation across gateways
Timestamp: 2026-05-16 10:48:06 UTC
From Node: !da5c8828 (8828)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Sunset Beach 2 (SSB2)
Channel: MediumFast
RSSI: -118 dBm
SNR: -11.5 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Relay Node: 94 NALF
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:48.435046°
Longitude:-123.329173°
Altitude:30 m
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:!a0cc7100
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:5 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cc7100
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 3663497256
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 Not set uint32
hop_start 5
Initial hop limit
uint32
hops_taken 5
Calculated: hop_start - hop_limit
derived
rx_rssi -118.0 dBm
Signal strength at gateway
int32
rx_snr -11.50 dB
Signal quality at gateway
float
rx_time 1778928484
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 148
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778928486.0445893
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cc7100
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -118.0 dBm
SNR: -11.50 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": 48.435046, "longitude": -123.329173, "altitude": 30, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cc7100", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3663497256, "to": 4294967295, "id": 863284484, "rx_time": 1778928484, "rx_snr": -11.5, "rx_rssi": -118, "hop_limit": 0, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 148, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dfc99de1c152e767db6181e250c4b086a28017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 484350460, "longitude_i": -1233291730, "altitude": 30, "time": 1778928396, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0dfc99de1c152e767db6181e250c4b086a28017800800100b80120
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
Sunset Beach 2 (SSB2) Primary 0.000s
Reference
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC Current
Sunset Beach 2 (SSB2) -0.160s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.126s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.114s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.102s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.091s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.079s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.067s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.055s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.043s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.032s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.021s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.010s
Before
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.011s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.022s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.032s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.043s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.055s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.068s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.080s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.092s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.104s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.116s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.128s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.140s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.151s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.162s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.173s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.184s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.196s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.207s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.218s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.228s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.240s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.252s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.265s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.277s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.289s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.301s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.313s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.325s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.336s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.347s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.358s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.369s
After
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
45

Total Receptions

1

Unique Gateways