Packet #161451 Success

TRACEROUTE_APP packet from W9LAC - Pillar 01 (PLR1) to 136F TB1W (136B)

5
Total Receptions
5
Unique Gateways
1
Hop Count
30
Payload Bytes
Packet Information
Database ID: 161451
Mesh Packet ID: 0xc0372b8c
Used for correlation across gateways
Timestamp: 2026-03-29 19:42:17 UTC
From Node: W9LAC - Pillar 01 (PLR1)
To Node: 136F TB1W (136B)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: AD8G MQTT Gateway (1574)
Channel: LongFast
RSSI: -103 dBm
SNR: -15.25 dBm
Hop Info: 1/2 hops
Start: 2, Limit: 1
Relay Node: e2 BPRK
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TRACEROUTE_APP
Size: 30 bytes
Decoded: Yes
Decoded Data:
Route Information
SNR Towards: -4.25 dB
Return Path: Barkwood Park (BPRK)
SNR Back: -5.5 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 136F TB1W (136B) W9LAC - Pillar 01 (PLR1) 25.00 km -4.25 dB Origin Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 W9LAC - Pillar 01 (PLR1) Barkwood Park (BPRK) 35.63 km -5.5 dB Return Start Hops
Total Forward Distance
25.00 km
Total Return Distance
35.63 km
Combined Traceroute Graph
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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:30 bytes
Gateway:!69851574
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:1 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !69851574
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (30 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 653255382
Source node ID
uint32
to 4054302288
Target node ID
uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP
enum
decoded.payload_length 30 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 2
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -103.0 dBm
Signal strength at gateway
int32
rx_snr -15.25 dB
Signal quality at gateway
float
rx_time 1774813336
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 8
Channel index
uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 226
Relay node ID
uint32
tx_after Not set uint32
timestamp Not set 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:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !69851574
Signal Metrics: RSSI: -103.0 dBm
SNR: -15.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:30 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [], "snr_towards": [ -4.25 ], "route_back": [ 3880186082 ], "snr_back": [ -5.5 ], "route_node_names": { "4054302288": "136F TB1W (136B)", "3880186082": "Barkwood Park (BPRK)", "653255382": "W9LAC - Pillar 01 (PLR1)" }, "traceroute_packet": { "packet_data": { "id": 161451, "timestamp": 1774813337.6537912, "from_node_id": 653255382, "to_node_id": 4054302288, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!69851574", "channel_id": "LongFast", "mesh_packet_id": 3224841100, "rssi": -103, "snr": -15.25, "hop_limit": 1, "hop_start": 2, "payload_length": 30, "processed_successfully": 1, "raw_payload": "120aefffffffffffffffff011a04e2f046e7220aeaffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1774813336, "pki_encrypted": 0, "next_hop": 0, "relay_node": 226, "tx_after": 0, "raw_service_envelope": "0a5e0dd6e2ef261550bea7f118082a29d96574f42fad2727f1645e418c67a83403f3312d266bbe23f4429ca54b3b821102f4be574be196e75d358c2b37c03d9880c96945000074c1480150016099ffffffffffffffff0178029801e201a8010112084c6f6e67466173741a09213639383531353734", "timestamp_str": "2026-03-29 19:42:17 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "W9LAC - Pillar 01 (PLR1)", "to_node_name": "136F TB1W (136B)", "relay_hex": "e2", "relay_candidates": [ { "node_id": 3880186082, "node_name": "Barkwood Park", "hex_id": "!e746f0e2", "short_name": "BPRK", "last_byte": "e2" } ], "gateway_name": "AD8G MQTT Gateway (1574)", "gateway_location": null }, "resolve_names": true, "packet_id": 161451, "from_node_id": 653255382, "to_node_id": 4054302288, "timestamp": 1774813337.6537912, "gateway_id": "!69851574", "raw_payload": "120aefffffffffffffffff011a04e2f046e7220aeaffffffffffffffff01", "hop_limit": 1, "hop_start": 2, "from_node_name": "W9LAC - Pillar 01 (PLR1)", "to_node_name": "136F TB1W (136B)", "route_data": { "route_nodes": [], "snr_towards": [ -4.25 ], "route_back": [ 3880186082 ], "snr_back": [ -5.5 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 4054302288, 653255382 ], "node_names": [ "136F TB1W (136B)", "W9LAC - Pillar 01 (PLR1)" ], "snr_values": [ -4.25 ], "hops": [ { "hop_number": 1, "from_node_id": 4054302288, "to_node_id": 653255382, "from_node_name": "136F TB1W (136B)", "to_node_name": "W9LAC - Pillar 01 (PLR1)", "snr": -4.25, "direction": "forward", "is_target_hop": false, "distance_meters": 25001.211653278835, "from_location_timestamp": 1774798096.0702157, "to_location_timestamp": 1774812701.402214, "from_location_age_warning": "from 4.2h ago", "to_location_age_warning": "from 0.2h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": { "path_type": "return", "node_ids": [ 653255382, 3880186082 ], "node_names": [ "W9LAC - Pillar 01 (PLR1)", "Barkwood Park (BPRK)" ], "snr_values": [ -5.5 ], "hops": [ { "hop_number": 1, "from_node_id": 653255382, "to_node_id": 3880186082, "from_node_name": "W9LAC - Pillar 01 (PLR1)", "to_node_name": "Barkwood Park (BPRK)", "snr": -5.5, "direction": "return", "is_target_hop": false, "distance_meters": 35629.21702368726, "from_location_timestamp": 1774812701.402214, "to_location_timestamp": 1774719757.5918415, "from_location_age_warning": "from 0.2h ago", "to_location_age_warning": "from 1.1d ago" } ], "is_complete": false, "total_hops": 1 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 4054302288, 653255382, 3880186082 ], "node_names": [ "136F TB1W (136B)", "W9LAC - Pillar 01 (PLR1)", "Barkwood Park (BPRK)" ], "snr_values": [ -4.25, -5.5 ], "hops": [ { "hop_number": 1, "from_node_id": 4054302288, "to_node_id": 653255382, "from_node_name": "136F TB1W (136B)", "to_node_name": "W9LAC - Pillar 01 (PLR1)", "snr": -4.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 25001.211653278835, "from_location_timestamp": 1774798096.0702157, "to_location_timestamp": 1774812701.402214, "from_location_age_warning": "from 4.2h ago", "to_location_age_warning": "from 0.2h ago" }, { "hop_number": 2, "from_node_id": 653255382, "to_node_id": 3880186082, "from_node_name": "W9LAC - Pillar 01 (PLR1)", "to_node_name": "Barkwood Park (BPRK)", "snr": -5.5, "direction": "return_rf", "is_target_hop": false, "distance_meters": 35629.21702368726, "from_location_timestamp": 1774812701.402214, "to_location_timestamp": 1774719757.5918415, "from_location_age_warning": "from 0.2h ago", "to_location_age_warning": "from 1.1d ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "136F TB1W (136B) → W9LAC - Pillar 01 (PLR1)", "return_path_display": "W9LAC - Pillar 01 (PLR1) → Barkwood Park (BPRK)", "actual_rf_path_display": "136F TB1W (136B) → W9LAC - Pillar 01 (PLR1) → Barkwood Park (BPRK)", "forward_hops": [ { "hop_number": 1, "from_node_id": 4054302288, "to_node_id": 653255382, "from_node_name": "136F TB1W (136B)", "to_node_name": "W9LAC - Pillar 01 (PLR1)", "snr": -4.25, "direction": "forward", "is_target_hop": false, "distance_meters": 25001.211653278835, "from_location_timestamp": 1774798096.0702157, "to_location_timestamp": 1774812701.402214, "from_location_age_warning": "from 4.2h ago", "to_location_age_warning": "from 0.2h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 653255382, "to_node_id": 3880186082, "from_node_name": "W9LAC - Pillar 01 (PLR1)", "to_node_name": "Barkwood Park (BPRK)", "snr": -5.5, "direction": "return", "is_target_hop": false, "distance_meters": 35629.21702368726, "from_location_timestamp": 1774812701.402214, "to_location_timestamp": 1774719757.5918415, "from_location_age_warning": "from 0.2h ago", "to_location_age_warning": "from 1.1d ago" } ], "total_forward_distance": 25001.211653278835, "total_return_distance": 35629.21702368726 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 653255382, "to": 4054302288, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "Egrv//////////8BGgTi8EbnIgrq//////////8B", "request_id": 3126140932, "bitfield": 1 }, "id": 3224841100, "rx_time": 1774813336, "rx_snr": -15.25, "hop_limit": 1, "want_ack": true, "rx_rssi": -103, "hop_start": 2, "relay_node": 226, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!69851574" }, "mesh_packet": { "from": 653255382, "to": 4054302288, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "Egrv//////////8BGgTi8EbnIgrq//////////8B", "request_id": 3126140932, "bitfield": 1, "parsed_payload": { "snr_towards": [ -17 ], "route_back": [ 3880186082 ], "snr_back": [ -22 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 3224841100, "rx_time": 1774813336, "rx_snr": -15.25, "hop_limit": 1, "want_ack": true, "rx_rssi": -103, "hop_start": 2, "relay_node": 226, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (30 bytes)
120aefffffffffffffffff011a04e2f046e7220aeaffffffffffffffff01
Hex Analysis:
Size:30 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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
AD8G MQTT Gateway (1574) Primary 0.000s
Reference
-103.0 dBm -15.25 dB 1 e2 BPRK LongFast 2026-03-29 19:42:17 UTC Current
0 hops (direct receptions) Gateways that heard the packet directly from the source
Meshtastic 8978 (8978) -1.668s
Before
-128.0 dBm -18.00 dB 0 - LongFast 2026-03-29 19:42:15 UTC View
2 hops Gateways that received this packet after 2 hops
NU8H-1 (U8H1) +1.227s
After
-125.0 dBm -14.25 dB 2 - LongFast 2026-03-29 19:42:18 UTC View
Meshtastic 295c (295c) +3.299s
After
-83.0 dBm 7.50 dB 2 7d MIJS LongFast 2026-03-29 19:42:20 UTC View
AD8G pi test (AD8G) +1.746s
After
-91.0 dBm 0.75 dB 2 86 NBRY LongFast 2026-03-29 19:42:19 UTC View
5

Total Receptions

5

Unique Gateways