Packet #28264584 Success

NODEINFO_APP packet from Skynet_Base 🌞🏢 (SkyB) to !ffffffff

21
Total Receptions
21
Unique Gateways
0
Hop Count
88
Payload Bytes
Packet Information
Database ID: 28264584
Mesh Packet ID: 0x2b1d9881
Used for correlation across gateways
Timestamp: 2025-12-17 12:32:02 UTC
From Node: Skynet_Base 🌞🏢 (SkyB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Karabanchel_Baldur (KarB)
Channel: MediumFast
RSSI: -93 dBm
SNR: 0.75 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Relay Node: 2d SkyB
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 88 bytes
Decoded: Yes
Decoded Data:
Long Name:Skynet_Base 🌞🏢
Short Name:SkyB
Node ID:!eec6922d
MAC Address:7S7uxpIt
Hardware:NRF52_PROMICRO_DIY
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:88 bytes
Gateway:!13280088
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
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
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !13280088
Node ID format
channel_id MediumFast
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4005990957
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 88 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -93.0 dBm
Signal strength at gateway 		int32
rx_snr 0.75 dB
Signal quality at gateway 		float
rx_time 1765974722
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 45
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765974722.8078637
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
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !13280088
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -93.0 dBm
SNR: 0.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:88 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!eec6922d", "long_name": "Skynet_Base 🌞🏢 ", "short_name": "SkyB", "macaddr": "7S7uxpIt", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!13280088", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4005990957, "to": 4294967295, "id": 723359873, "rx_time": 1765974722, "rx_snr": 0.75, "rx_rssi": -93, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 45, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092165656336393232641215536b796e65745f4261736520f09f8c9ef09f8fa2201a04536b79422206ed2eeec6922d283f380c422069250b28da1d52e9d1db80ccd75cbc9f4ffaf61aec139917b1fc6b444c29e4024800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!eec6922d", "long_name": "Skynet_Base 🌞🏢 ", "short_name": "SkyB", "macaddr": "7S7uxpIt", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_BASE", "public_key": "aSULKNodUunR24DM11y8n0/69hrsE5kXsfxrREwp5AI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (88 bytes)
0a092165656336393232641215536b796e65745f4261736520f09f8c9ef09f8fa2201a04536b79422206ed2eeec6922d283f380c422069250b28da1d52e9d1db80ccd75cbc9f4ffaf61aec139917b1fc6b444c29e4024800
Hex Analysis:
Size:88 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

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
Karabanchel_Baldur (KarB) Primary 0.000s
Reference 		-93.0 dBm 0.75 dB 0 2d SkyB MediumFast 2025-12-17 12:32:02 UTC Current
Meshtastic b2b4📡🌐 (b2b4) +0.003s
After 		-107.0 dBm -2.75 dB 0 2d SkyB MediumFast 2025-12-17 12:32:02 UTC View
🤖 Nicolas Cage 🌐 (Cage) +0.278s
After 		-70.0 dBm 10.50 dB 0 2d SkyB MediumFast 2025-12-17 12:32:03 UTC View
tizon (Sylv) +0.337s
After 		-116.0 dBm -7.50 dB 0 2d SkyB MediumFast 2025-12-17 12:32:03 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) +1.030s
After 		-102.0 dBm -12.50 dB 1 88 KarB MediumFast 2025-12-17 12:32:03 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +1.108s
After 		-107.0 dBm -11.50 dB 1 - MediumFast 2025-12-17 12:32:03 UTC View
Meshtastic 26b0 (26b0) +1.312s
After 		-74.0 dBm 10.50 dB 2 10 Vbt MediumFast 2025-12-17 12:32:04 UTC View
[samsepi0l] 📡🌐 (tlg0) +1.355s
After 		-79.0 dBm -8.75 dB 1 52 6052 MediumFast 2025-12-17 12:32:04 UTC View
Rodashtastic🗼🌐 (RDSt) +1.944s
After 		-115.0 dBm -11.25 dB 2 e8 GRN1 MediumFast 2025-12-17 12:32:04 UTC View
🎄 SkG@Home 📡🌐 (SkGH) +2.290s
After 		-100.0 dBm -12.50 dB 2 61 TO1 MediumFast 2025-12-17 12:32:05 UTC View
JAGO1_Cañaveral (JAGO) +2.466s
After 		Unknown 10.75 dB 3 70 JAG2 MediumFast 2025-12-17 12:32:05 UTC View
Meshtastic 1760 (1760) +2.489s
After 		-117.0 dBm 0.50 dB 3 f5 RPT4 MediumFast 2025-12-17 12:32:05 UTC View
Aldinra_1640_🗼_🌐 (AldB) +2.532s
After 		-118.0 dBm -9.25 dB 3 f5 RPT4 MediumFast 2025-12-17 12:32:05 UTC View
ETH Maverick (ET01) +2.540s
After 		-106.0 dBm -9.75 dB 2 61 TO1 MediumFast 2025-12-17 12:32:05 UTC View
Meshtastic 18a4 (18a4) +2.775s
After 		Unknown Unknown 4 60 1760 MediumFast 2025-12-17 12:32:05 UTC View
Ocumare Norte🗼🌐 (RRN) +3.202s
After 		-102.0 dBm -7.75 dB 3 b0 Vbm , 26b0 MediumFast 2025-12-17 12:32:06 UTC View
ETH Goose (ET03) +3.477s
After 		-35.0 dBm 11.00 dB 3 41 ET01 MediumFast 2025-12-17 12:32:06 UTC View
PXT_Home (PXT1) +3.713s
After 		-117.0 dBm -7.75 dB 4 48 mfms MediumFast 2025-12-17 12:32:06 UTC View
Quass001 ☄️ (Q001) +4.437s
After 		-47.0 dBm 10.50 dB 4 3a Q005 MediumFast 2025-12-17 12:32:07 UTC View
P3 iGate 🏠🌐 (P3N2) +5.090s
After 		-36.0 dBm 12.25 dB 4 25 P3N1 MediumFast 2025-12-17 12:32:07 UTC View
Nostromo (Ntmo) +5.577s
After 		-107.0 dBm 3.25 dB 2 61 TO1 MediumFast 2025-12-17 12:32:08 UTC View
21

Total Receptions

21

Unique Gateways