Packet #1069410 Success

TRACEROUTE_APP packet from N1UGK QTH (UGKH) to N2XDD portable node (st1k)

11
Total Receptions
11
Unique Gateways
1
Hop Count
18
Payload Bytes
Packet Information
Database ID: 1069410
Mesh Packet ID: 0x15a5821c
Used for correlation across gateways
Timestamp: 2025-10-21 21:01:28 UTC
From Node: N1UGK QTH (UGKH)
To Node: N2XDD portable node (st1k)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: SDT f481 (f481)
Channel: LongFast
RSSI: -108 dBm
SNR: -7.0 dBm
Hop Info: 1/5 hops
Start: 5, Limit: 4
Relay Node: None
Payload Data
Protocol: TRACEROUTE_APP
Size: 18 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: EMS Repeater - Union City, NJ (📡)
Hop Count: 0 hops
Status: Incomplete - Final destination not reached
SNR Towards: -12.5 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 N1UGK QTH (UGKH) EMS Repeater - Union City, NJ (📡) Unknown -12.5 dB Origin Hops
Traceroute incomplete - Final destination not reached
Combined Traceroute Graph
Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details

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Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
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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:18 bytes
Gateway:!eb7df481
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:1 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 more...
Exposure Risks:
âš  Default channel - no encryption
âš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !eb7df481
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (18 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2733340684
Source node ID 		uint32
to 3604774355
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 18 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 -108.0 dBm
Signal strength at gateway 		int32
rx_snr -7.00 dB
Signal quality at gateway 		float
rx_time 1761080513
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment 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 1761080488.0633051
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
  • âš  Multi-hop path visible (1 hops)
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !eb7df481
Signal Metrics: RSSI: -108.0 dBm
SNR: -7.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:18 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 3806562596 ], "snr_towards": [ -12.5 ], "route_back": [], "snr_back": [], "route_node_names": { "3604774355": "N2XDD portable node (st1k)", "3806562596": "EMS Repeater - Union City, NJ (📡)", "2733340684": "N1UGK QTH (UGKH)" }, "traceroute_packet": { "packet_data": { "id": 1069410, "timestamp": 1761080488.0633051, "from_node_id": 2733340684, "to_node_id": 3604774355, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!eb7df481", "channel_id": "LongFast", "mesh_packet_id": 363168284, "rssi": -108, "snr": -7.0, "hop_limit": 4, "hop_start": 5, "payload_length": 18, "processed_successfully": 1, "raw_payload": "0a042489e3e2120aceffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1761080513, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "timestamp_str": "2025-10-21 21:01:28 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "N2XDD portable node (st1k)", "relay_hex": null, "relay_candidates": [], "gateway_name": "SDT f481 (f481)", "gateway_location": { "node_id": 3950900353, "latitude": 40.79616, "longitude": -74.2326272, "altitude": 871, "timestamp": 1761080187.0677984, "timestamp_str": "2025-10-21 16:56:27", "display_name": "SDT f481", "long_name": "SDT f481", "short_name": "f481", "hw_model": "PORTDUINO" } }, "resolve_names": true, "packet_id": 1069410, "from_node_id": 2733340684, "to_node_id": 3604774355, "timestamp": 1761080488.0633051, "gateway_id": "!eb7df481", "raw_payload": "0a042489e3e2120aceffffffffffffffff01", "hop_limit": 4, "hop_start": 5, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "!d6dc7dd3", "route_data": { "route_nodes": [ 3806562596 ], "snr_towards": [ -12.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2733340684, 3806562596 ], "node_names": [ "N1UGK QTH (UGKH)", "EMS Repeater - Union City, NJ (📡)" ], "snr_values": [ -12.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3806562596, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "EMS Repeater - Union City, NJ (📡)", "snr": -12.5, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2733340684, 3806562596 ], "node_names": [ "N1UGK QTH (UGKH)", "EMS Repeater - Union City, NJ (📡)" ], "snr_values": [ -12.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3806562596, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "EMS Repeater - Union City, NJ (📡)", "snr": -12.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "N1UGK QTH (UGKH) → EMS Repeater - Union City, NJ (📡)", "return_path_display": null, "actual_rf_path_display": "N1UGK QTH (UGKH) → EMS Repeater - Union City, NJ (📡)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3806562596, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "EMS Repeater - Union City, NJ (📡)", "snr": -12.5, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "return_hops": [], "total_forward_distance": 0, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!eb7df481", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733340684, "to": 3604774355, "id": 363168284, "rx_time": 1761080513, "rx_snr": -7.0, "rx_rssi": -108, "hop_limit": 4, "hop_start": 5, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a042489e3e2120aceffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 3806562596 ], "snr_towards": [ -50 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (18 bytes)
0a042489e3e2120aceffffffffffffffff01
Hex Analysis:
Size:18 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
SDT f481 (f481) Primary 0.000s
Reference 		-108.0 dBm -7.00 dB 1 - LongFast 2025-10-21 21:01:28 UTC Current
1 MW 1 West Side | https://nyme.sh (1MW1) -4.977s
Before 		-110.0 dBm -10.00 dB 0 - LongFast 2025-10-21 21:01:23 UTC View
Fried Fish 1 | nyme.sh (FF1) -4.309s
Before 		-86.0 dBm -7.50 dB 1 40 BRRN LongFast 2025-10-21 21:01:23 UTC View
Meshtastic 1ca3 (1ca3) +0.219s
After 		-121.0 dBm -14.25 dB 3 31 a031 LongFast 2025-10-21 21:01:28 UTC View
DRP1 Chelsea (DRP1) +0.472s
After 		-80.0 dBm 6.75 dB 2 a8 2ea8 , MPH1 , ETNA LongFast 2025-10-21 21:01:28 UTC View
dkTowerBot (dkTB) +1.596s
After 		-105.0 dBm -15.75 dB 2 28 b028 LongFast 2025-10-21 21:01:29 UTC View
K2XAP V4 MS (XAP4) +3.229s
After 		-88.0 dBm -8.00 dB 3 e9 pab , dmbl , 3:16 LongFast 2025-10-21 21:01:31 UTC View
Poncho@BryantPark | MS (p@bp) +3.498s
After 		-104.0 dBm -15.25 dB 3 e9 pab LongFast 2025-10-21 21:01:31 UTC View
Claudiopolis-440c (440c) +3.673s
After 		-85.0 dBm 1.25 dB 3 e9 pab , dmbl , 📶 LongFast 2025-10-21 21:01:31 UTC View
denvermullets (dmlt) +6.972s
After 		-97.0 dBm 1.50 dB 5 f4 LongFast 2025-10-21 21:01:35 UTC View
Steiner Studios Tower (SST) +17.963s
After 		-102.0 dBm -3.75 dB 4 48 BNY7 , CWM1 LongFast 2025-10-21 21:01:46 UTC View
11

Total Receptions

11

Unique Gateways