Packet #39540787 Success

POSITION_APP packet from !da5c8828 to !ffffffff

45
Total Receptions
1
Unique Gateways
5
Hop Count
27
Payload Bytes
Packet Information
Database ID: 39540787
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 1778928486.0770168
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) -0.192s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.159s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.147s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.135s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.123s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.111s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.099s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.087s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:05 UTC View
Sunset Beach 2 (SSB2) -0.075s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.064s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.053s
Before
-118.0 dBm -11.50 dB 5 94 NALF LongFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.043s
Before
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.032s
Before
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) -0.022s
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
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) +0.023s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.035s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.047s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.060s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.071s
After
-118.0 dBm -11.50 dB 5 94 NALF MediumFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.084s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.096s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.107s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.118s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.130s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.141s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.152s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.163s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.174s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortFast 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.185s
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) +0.208s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.220s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.233s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.245s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.257s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.269s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.281s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.293s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.304s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.315s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.326s
After
-118.0 dBm -11.50 dB 5 94 NALF ShortTurbo 2026-05-16 10:48:06 UTC View
Sunset Beach 2 (SSB2) +0.337s
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