Packet #2491859 Success

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

27
Total Receptions
15
Unique Gateways
4
Hop Count
88
Payload Bytes
Packet Information
Database ID: 2491859
Mesh Packet ID: 0xc7f9c551
Used for correlation across gateways
Timestamp: 2025-08-15 03:09:16 UTC
From Node: HGL9 - PD0ZZ - Hengelo Ov (HGL9)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic gf30c (gf3c)
Channel: LongFast
RSSI: -138 dBm
SNR: -14.75 dBm
Hop Info: 4/7 hops
Start: 7, Limit: 3
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:!da5ad30c
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:4 / 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 !da5ad30c
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 3
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -138.0 dBm
Signal strength at gateway 		int32
rx_snr -14.75 dB
Signal quality at gateway 		float
rx_time 1755220156
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 Not set uint32
tx_after Not set uint32
timestamp 1755220156.0124764
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da5ad30c
Signal Metrics: RSSI: -138.0 dBm
SNR: -14.75 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": "!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": "!da5ad30c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3926066804, "to": 4294967295, "id": 3355034961, "rx_time": 1755220156, "rx_snr": -14.75, "rx_rssi": -138, "hop_limit": 3, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "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
Meshtastic gf30c (gf3c) Primary 0.000s
Reference 		-138.0 dBm -14.75 dB 4 LongFast 2025-08-15 03:09:16 Current
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -73.813s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -73.791s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -73.765s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -73.745s
Before 		-65.0 dBm 7.50 dB 0 LongFast 2025-08-15 03:08:02 View
Renze 2 EORA-S3 (RN2) -70.786s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Renze 2 EORA-S3 (RN2) -70.727s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Renze 2 EORA-S3 (RN2) -70.705s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Renze 2 EORA-S3 (RN2) -70.674s
Before 		-123.0 dBm -13.50 dB 1 LongFast 2025-08-15 03:08:05 View
Meshtastic 7304 (7304) -70.462s
Before 		-114.0 dBm -14.25 dB 1 LongFast 2025-08-15 03:08:05 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -68.413s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -68.278s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -68.255s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -68.232s
Before 		-117.0 dBm -7.25 dB 2 LongFast 2025-08-15 03:08:07 View
Terwinselen | Kerkrade | Netherlands (TKNB) -60.738s
Before 		-121.0 dBm -5.00 dB 3 OpenChat 2025-08-15 03:08:15 View
Wateringweg, Haarlem (WaHa) +0.323s
After 		-114.0 dBm -8.00 dB 4 LongFast 2025-08-15 03:09:16 View
No13 Oirschot (OIR1) +3.844s
After 		-125.0 dBm -15.50 dB 5 LongFast 2025-08-15 03:09:19 View
PA3JH 🗼 (2.7.3) (3JH2) +4.249s
After 		-104.0 dBm -5.25 dB 5 LongFast 2025-08-15 03:09:20 View
HLM Raaks Base 🏡🛜 (HLR1) +5.473s
After 		-110.0 dBm -2.50 dB 6 LongFast 2025-08-15 03:09:21 View
Colossus 1 (ccw1) +6.685s
After 		-113.0 dBm -4.50 dB 7 LongFast 2025-08-15 03:09:22 View
Ams Zuidas Base (AZ4) +8.680s
After 		-105.0 dBm -6.25 dB 6 LongFast 2025-08-15 03:09:24 View
Leimuiden - Bas (LMDN) +11.403s
After 		-122.0 dBm -11.00 dB 7 LongFast 2025-08-15 03:09:27 View
Meshtastic 4e50 (4e50) +15.770s
After 		-126.0 dBm -16.25 dB 7 LongFast 2025-08-15 03:09:31 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1281.990s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1282.131s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1282.153s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +1282.176s
After 		-127.0 dBm -11.50 dB 1 LongFast 2025-08-15 03:30:38 View
27

Total Receptions

15

Unique Gateways