Packet #84501 Success

TRACEROUTE_APP packet from Bryn Mawr Base (BRYN) to irduc_htwn (htwn)

11
Total Receptions
8
Unique Gateways
1
Hop Count
18
Payload Bytes
Packet Information
Database ID: 84501
Mesh Packet ID: 0xa5e4d1b9
Used for correlation across gateways
Timestamp: 2026-03-24 07:42:06 UTC
From Node: Bryn Mawr Base (BRYN)
To Node: irduc_htwn (htwn)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: homebase.mesh.sdr.lol (SDRB)
Channel: LongFast
RSSI: -103 dBm
SNR: 3.25 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: 5f df5f
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: 18 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Meshtastic df5f (df5f)
Hop Count: 0 hops
Status: Incomplete - Final destination not reached
SNR Towards: -15.75 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Bryn Mawr Base (BRYN) Meshtastic df5f (df5f) 14.86 km -15.75 dB Origin Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
14.86 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:18 bytes
Gateway:!43571a2c
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:1 / 7
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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !43571a2c
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 382653768
Source node ID 		uint32
to 3881269689
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 18 bytes size
hop_limit 6
Remaining hops allowed 		uint32
hop_start 7
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 3.25 dB
Signal quality at gateway 		float
rx_time 1774338124
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 95
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774338126.0642529
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:
  • ⚠ 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: !43571a2c
Signal Metrics: RSSI: -103.0 dBm
SNR: 3.25 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": [ 1628299103 ], "snr_towards": [ -15.75 ], "route_back": [], "snr_back": [], "route_node_names": { "382653768": "Bryn Mawr Base (BRYN)", "3881269689": "irduc_htwn (htwn)", "1628299103": "Meshtastic df5f (df5f)" }, "traceroute_packet": { "packet_data": { "id": 84501, "timestamp": 1774338126.0642529, "from_node_id": 382653768, "to_node_id": 3881269689, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!43571a2c", "channel_id": "LongFast", "mesh_packet_id": 2783236537, "rssi": -103, "snr": 3.25, "hop_limit": 6, "hop_start": 7, "payload_length": 18, "processed_successfully": 1, "raw_payload": "0a045fdf0d61120ac1ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1774338124, "pki_encrypted": 0, "next_hop": 0, "relay_node": 95, "tx_after": 0, "timestamp_str": "2026-03-24 07:42:06 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "irduc_htwn (htwn)", "relay_hex": "5f", "relay_candidates": [ { "node_id": 1628299103, "node_name": "Meshtastic df5f", "hex_id": "!610ddf5f", "short_name": "df5f", "last_byte": "5f" } ], "gateway_name": "homebase.mesh.sdr.lol (SDRB)", "gateway_location": { "node_id": 1129781804, "latitude": 39.945, "longitude": -75.17, "altitude": null, "timestamp": 1775812751.964303, "timestamp_str": "2026-04-10 09:19:11", "display_name": "homebase.mesh.sdr.lol", "long_name": "homebase.mesh.sdr.lol", "short_name": "SDRB", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 84501, "from_node_id": 382653768, "to_node_id": 3881269689, "timestamp": 1774338126.0642529, "gateway_id": "!43571a2c", "raw_payload": "0a045fdf0d61120ac1ffffffffffffffff01", "hop_limit": 6, "hop_start": 7, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "!e75779b9", "route_data": { "route_nodes": [ 1628299103 ], "snr_towards": [ -15.75 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 382653768, 1628299103 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Meshtastic df5f (df5f)" ], "snr_values": [ -15.75 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 1628299103, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Meshtastic df5f (df5f)", "snr": -15.75, "direction": "forward", "is_target_hop": false, "distance_meters": 14858.9932148292, "from_location_timestamp": 1774331176.038613, "to_location_timestamp": 1774336700.37304, "from_location_age_warning": "from 1.9h ago", "to_location_age_warning": "from 0.4h ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 382653768, 1628299103 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Meshtastic df5f (df5f)" ], "snr_values": [ -15.75 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 1628299103, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Meshtastic df5f (df5f)", "snr": -15.75, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 14858.9932148292, "from_location_timestamp": 1774331176.038613, "to_location_timestamp": 1774336700.37304, "from_location_age_warning": "from 1.9h ago", "to_location_age_warning": "from 0.4h ago" } ], "is_complete": false, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "Bryn Mawr Base (BRYN) → Meshtastic df5f (df5f)", "return_path_display": null, "actual_rf_path_display": "Bryn Mawr Base (BRYN) → Meshtastic df5f (df5f)", "forward_hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 1628299103, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Meshtastic df5f (df5f)", "snr": -15.75, "direction": "forward", "is_target_hop": false, "distance_meters": 14858.9932148292, "from_location_timestamp": 1774331176.038613, "to_location_timestamp": 1774336700.37304, "from_location_age_warning": "from 1.9h ago", "to_location_age_warning": "from 0.4h ago" } ], "return_hops": [], "total_forward_distance": 14858.9932148292, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43571a2c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 382653768, "to": 3881269689, "id": 2783236537, "rx_time": 1774338124, "rx_snr": 3.25, "rx_rssi": -103, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 95, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a045fdf0d61120ac1ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 1628299103 ], "snr_towards": [ -63 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (18 bytes)
0a045fdf0d61120ac1ffffffffffffffff01
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
homebase.mesh.sdr.lol (SDRB) Primary 0.000s
Reference 		-103.0 dBm 3.25 dB 1 5f df5f LongFast 2026-03-24 07:42:06 UTC Current
Bryn Mawr Base (BRYN) -4.076s
Before 		Unknown Unknown 0 48 BRYN LongFast 2026-03-24 07:42:01 UTC View
SG-Command (SG-C) -2.063s
Before 		-118.0 dBm -21.25 dB 0 48 BRYN LongFast 2026-03-24 07:42:04 UTC View
SG-Command (SG-C) -2.007s
Before 		-118.0 dBm -21.25 dB 0 48 BRYN LongFast 2026-03-24 07:42:04 UTC View
SG-Command (SG-C) -1.311s
Before 		-118.0 dBm -21.25 dB 0 48 BRYN LongFast 2026-03-24 07:42:04 UTC View
SG-Command (SG-C) -1.296s
Before 		-118.0 dBm -21.25 dB 0 48 BRYN LongFast 2026-03-24 07:42:04 UTC View
Meshtastic 8810 (8810) +0.991s
After 		-107.0 dBm -9.75 dB 2 - LongFast 2026-03-24 07:42:07 UTC View
MOMOMonitor (MMMN) +4.399s
After 		-58.0 dBm 6.50 dB 3 75 MMBA LongFast 2026-03-24 07:42:10 UTC View
IsenMesh.Base2.PA (ISB2) +5.171s
After 		-110.0 dBm -14.50 dB 4 d0 LongFast 2026-03-24 07:42:11 UTC View
BabaYagi.OutBack.DSTY (BYOB) +7.845s
After 		-29.0 dBm 7.25 dB 4 86 DSTL LongFast 2026-03-24 07:42:13 UTC View
DustyHeatsink.NJ (DSTY) +8.357s
After 		-29.0 dBm 6.75 dB 4 86 DSTL LongFast 2026-03-24 07:42:14 UTC View
11

Total Receptions

8

Unique Gateways