Packet #2491876 Success

NODEINFO_APP packet from HGL9 - PD0ZZ - Hengelo Ov (HGL9) to !ffffffff

27
Total Receptions
15
Unique Gateways
7
Hop Count
88
Payload Bytes
Packet Information
Database ID: 2491876
Mesh Packet ID: 0xc7f9c551
Used for correlation across gateways
Timestamp: 2025-08-15 03:09:22 UTC
From Node: HGL9 - PD0ZZ - Hengelo Ov (HGL9)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Colossus 1 (ccw1)
Channel: LongFast
RSSI: -113 dBm
SNR: -4.5 dBm
Hop Info: 7/7 hops
Start: 7, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 88 bytes
Decoded: Yes
Decoded Data:
Long Name:HGL9 - PD0ZZ - Hengelo Ov
Short Name:HGL9
Node ID:!ea030674
MAC Address:jL/qAwZ0
Hardware:T_DECK
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:!da5856b0
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:7 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da5856b0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3926066804
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 Not set uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 7
Calculated: hop_start - hop_limit 		derived
rx_rssi -113.0 dBm
Signal strength at gateway 		int32
rx_snr -4.50 dB
Signal quality at gateway 		float
rx_time 1755220162
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 64
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755220162.6971102
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (7 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da5856b0
Signal Metrics: RSSI: -113.0 dBm
SNR: -4.50 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": "!ea030674", "long_name": "HGL9 - PD0ZZ - Hengelo Ov", "short_name": "HGL9", "macaddr": "jL/qAwZ0", "hw_model": "T_DECK" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da5856b0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3926066804, "to": 4294967295, "id": 3355034961, "rx_time": 1755220162, "rx_snr": -4.5, "rx_rssi": -113, "hop_limit": 0, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 64, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216561303330363734121948474c39202d205044305a5a202d2048656e67656c6f204f761a0448474c3922068cbfea0306742832422005540477ba87e511c9d33a4f3a163d600cc7141d400e778adb48f923fb1d1953", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ea030674", "long_name": "HGL9 - PD0ZZ - Hengelo Ov", "short_name": "HGL9", "macaddr": "jL/qAwZ0", "hw_model": "T_DECK", "public_key": "BVQEd7qH5RHJ0zpPOhY9YAzHFB1ADneK20j5I/sdGVM=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (88 bytes)
0a09216561303330363734121948474c39202d205044305a5a202d2048656e67656c6f204f761a0448474c3922068cbfea0306742832422005540477ba87e511c9d33a4f3a163d600cc7141d400e778adb48f923fb1d1953
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 Channel Timestamp Actions
Colossus 1 (ccw1) Primary 0.000s
Reference 		-113.0 dBm -4.50 dB 7 LongFast 2025-08-15 03:09:22 Current
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -80.498s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -80.475s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -80.450s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -80.429s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
Renze 2 EORA-S3 (RN2) -77.470s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Renze 2 EORA-S3 (RN2) -77.411s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Renze 2 EORA-S3 (RN2) -77.390s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Renze 2 EORA-S3 (RN2) -77.359s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Meshtastic 7304 (7304) -77.147s
Before 		-114.0 dBm -14.25 dB 1 LongFast 2025-08-15 03:08:05 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -75.098s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -74.963s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -74.939s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -74.916s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Terwinselen | Kerkrade | Netherlands (TKNB) -67.422s
Before 		-121.0 dBm -5.00 dB 3 OpenChat 2025-08-15 03:08:15 View
Meshtastic gf30c (gf3c) -6.685s
Before 		-138.0 dBm -14.75 dB 4 LongFast 2025-08-15 03:09:16 View
Wateringweg, Haarlem (WaHa) -6.362s
Before 		-114.0 dBm -8.00 dB 4 LongFast 2025-08-15 03:09:16 View
No13 Oirschot (OIR1) -2.840s
Before 		-125.0 dBm -15.50 dB 5 LongFast 2025-08-15 03:09:19 View
PA3JH 🗼 (2.7.3) (3JH2) -2.435s
Before 		-104.0 dBm -5.25 dB 5 LongFast 2025-08-15 03:09:20 View
HLM Raaks Base 🏡🛜 (HLR1) -1.212s
Before 		-110.0 dBm -2.50 dB 6 LongFast 2025-08-15 03:09:21 View
Ams Zuidas Base (AZ4) +1.995s
After 		-105.0 dBm -6.25 dB 6 LongFast 2025-08-15 03:09:24 View
Leimuiden - Bas (LMDN) +4.719s
After 		-122.0 dBm -11.00 dB 7 LongFast 2025-08-15 03:09:27 View
Meshtastic 4e50 (4e50) +9.086s
After 		-126.0 dBm -16.25 dB 7 LongFast 2025-08-15 03:09:31 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1275.305s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1275.446s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1275.469s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1275.492s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
27

Total Receptions

15

Unique Gateways