Packet #18162253 Success

NODEINFO_APP packet from VE7NA MtBenson-LF MediumSlow! Join us! (NALF) to !ffffffff

46
Total Receptions
2
Unique Gateways
1
Hop Count
105
Payload Bytes
Packet Information
Database ID: 18162253
Mesh Packet ID: 0xd21b676c
Used for correlation across gateways
Timestamp: 2026-03-28 05:51:21 UTC
From Node: VE7NA MtBenson-LF MediumSlow! Join us! (NALF)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: FourSisters (4sis)
Channel: MediumFast
RSSI: -111 dBm
SNR: -6.75 dBm
Hop Info: 1/5 hops
Start: 5, Limit: 4
Relay Node: d5
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 105 bytes
Decoded: Yes
Decoded Data:
Long Name:VE7NA MtBenson-LF MediumSlow! Join us!
Short Name:NALF
Node ID:!4ae53c94
MAC Address:2NpK5TyU
Hardware:RAK4631
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:105 bytes
Gateway:!a0cb14e8
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:1 / 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
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cb14e8
Node ID format
channel_id MediumFast
packet MeshPacket (105 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1256537236
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 105 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -111.0 dBm
Signal strength at gateway
int32
rx_snr -6.75 dB
Signal quality at gateway
float
rx_time 1774676993
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 213
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774677081.5264692
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
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb14e8
Signal Metrics: RSSI: -111.0 dBm
SNR: -6.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:105 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!4ae53c94", "long_name": "VE7NA MtBenson-LF MediumSlow! Join us!", "short_name": "NALF", "macaddr": "2NpK5TyU", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb14e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1256537236, "to": 4294967295, "id": 3525011308, "rx_time": 1774676993, "rx_snr": -6.75, "rx_rssi": -111, "hop_limit": 4, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 213, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921346165353363393412265645374e41204d7442656e736f6e2d4c46204d656469756d536c6f7721204a6f696e207573211a044e414c462206d8da4ae53c9428093802422048ebbd8a3a281624fa22f404278bc31211daa66359a9aa87008b5c20548361154800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4ae53c94", "long_name": "VE7NA MtBenson-LF MediumSlow! Join us!", "short_name": "NALF", "macaddr": "2NpK5TyU", "hw_model": "RAK4631", "role": "ROUTER", "public_key": "SOu9ijooFiT6IvQEJ4vDEhHapmNZqaqHAItcIFSDYRU=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (105 bytes)
0a0921346165353363393412265645374e41204d7442656e736f6e2d4c46204d656469756d536c6f7721204a6f696e207573211a044e414c462206d8da4ae53c9428093802422048ebbd8a3a281624fa22f404278bc31211daa66359a9aa87008b5c20548361154800
Hex Analysis:
Size:105 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
FourSisters (4sis) Primary 0.000s
Reference
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC Current
FourSisters (4sis) -0.396s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.370s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.346s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.323s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.295s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.274s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.253s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.231s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.206s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.182s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.158s
Before
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.135s
Before
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.112s
Before
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.091s
Before
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.069s
Before
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.046s
Before
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) -0.024s
Before
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.024s
After
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.051s
After
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.072s
After
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.094s
After
-111.0 dBm -6.75 dB 1 d5 MediumFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.115s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.138s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.160s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.189s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.217s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.240s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.263s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.284s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.306s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.328s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.351s
After
-111.0 dBm -6.75 dB 1 d5 ShortFast 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.375s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.399s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.422s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.445s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.466s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:21 UTC View
FourSisters (4sis) +0.489s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:22 UTC View
FourSisters (4sis) +0.510s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:22 UTC View
FourSisters (4sis) +0.533s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:22 UTC View
FourSisters (4sis) +0.559s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:22 UTC View
FourSisters (4sis) +0.583s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:22 UTC View
FourSisters (4sis) +0.606s
After
-111.0 dBm -6.75 dB 1 d5 ShortTurbo 2026-03-28 05:51:22 UTC View
FourSisters (4sis) +0.629s
After
-111.0 dBm -6.75 dB 1 d5 LongFast 2026-03-28 05:51:22 UTC View
el8010_1 (e108) +107.687s
After
-140.0 dBm -15.50 dB 5 7c LongFast 2026-03-28 05:53:09 UTC View
46

Total Receptions

2

Unique Gateways