Packet #253706 Success

POSITION_APP packet from !6ff93ba5 to !ffffffff

12
Total Receptions
12
Unique Gateways
3
Hop Count
33
Payload Bytes
Packet Information
Database ID: 253706
Mesh Packet ID: 0xc433dd9f
Used for correlation across gateways
Timestamp: 2026-04-04 16:36:40 UTC
From Node: !6ff93ba5 (3ba5)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: W8IJC's Portable T-Beam Node (IJC2)
Channel: LongFast
RSSI: -128 dBm
SNR: -19.5 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 33 bytes
Decoded: Yes
Decoded Data:
Latitude:43.427905°
Longitude:-80.316623°
Altitude:308 m
Satellites:21
Precision:32 bits
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:33 bytes
Gateway:!e0f5b97c
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:3 / 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
+ 4 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !e0f5b97c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (33 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 1878604709
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum POSITION_APP
POSITION_APP 		enum
decoded.payload_length 33 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -128.0 dBm
Signal strength at gateway 		int32
rx_snr -19.50 dB
Signal quality at gateway 		float
rx_time 1775320598
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 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node Not set 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: 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
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !e0f5b97c
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -128.0 dBm
SNR: -19.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:33 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.427905, "longitude": -80.3166233, "altitude": 308, "sats_in_view": 21, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1878604709, "to": 4294967295, "channel": 8, "decoded": { "portnum": "POSITION_APP", "payload": "DYqS4hkV56cg0Bi0AiUaPtFpKAJYW3gAgAEAmAEVuAEg", "bitfield": 1 }, "id": 3291733407, "rx_time": 1775320598, "rx_snr": -19.5, "hop_limit": 4, "rx_rssi": -128, "hop_start": 7, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!e0f5b97c" }, "mesh_packet": { "from": 1878604709, "to": 4294967295, "channel": 8, "decoded": { "portnum": "POSITION_APP", "payload": "DYqS4hkV56cg0Bi0AiUaPtFpKAJYW3gAgAEAmAEVuAEg", "bitfield": 1, "parsed_payload": { "latitude_i": 434279050, "longitude_i": -803166233, "altitude": 308, "time": 1775320602, "location_source": "LOC_INTERNAL", "PDOP": 91, "ground_speed": 0, "ground_track": 0, "sats_in_view": 21, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } }, "id": 3291733407, "rx_time": 1775320598, "rx_snr": -19.5, "hop_limit": 4, "rx_rssi": -128, "hop_start": 7, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (33 bytes)
0d8a92e21915e7a720d018b402251a3ed1692802585b7800800100980115b80120
Hex Analysis:
Size:33 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
W8IJC's Portable T-Beam Node (IJC2) Primary 0.000s
Reference 		-128.0 dBm -19.50 dB 3 - LongFast 2026-04-04 16:36:40 UTC Current
2 hops Gateways that received this packet after 2 hops
MAD1-SKYNET3 (MAD1) -2.491s
Before 		-118.0 dBm -15.75 dB 2 dc LongFast 2026-04-04 16:36:38 UTC View
TRoMo MQTT Bridge (TbM1) -2.874s
Before 		-137.0 dBm -12.75 dB 2 dc LongFast 2026-04-04 16:36:37 UTC View
3 hops Gateways that received this packet after 3 hops
W8IJC's Home Rak Node (IJC1) -0.018s
Before 		-123.0 dBm -11.00 dB 3 - LongFast 2026-04-04 16:36:40 UTC View
W8VFD MQTT Gateway (neomesh.org) (MQTT) -0.926s
Before 		-33.0 dBm 6.50 dB 3 5e 🌅 LongFast 2026-04-04 16:36:39 UTC View
136FA UPL (136U) -1.021s
Before 		-66.0 dBm 5.25 dB 3 d5 136W LongFast 2026-04-04 16:36:39 UTC View
Painesville-1-Skynet-1 (PVL1) -1.129s
Before 		-78.0 dBm -4.00 dB 3 8c RA4 LongFast 2026-04-04 16:36:39 UTC View
5 hops Gateways that received this packet after 5 hops
North Tower (🤖) +4.915s
After 		-138.0 dBm -16.00 dB 5 d0 RPRK LongFast 2026-04-04 16:36:45 UTC View
Chardon Meshtastic 465c (465c) +1.648s
After 		-128.0 dBm -14.75 dB 5 e2 BPRK LongFast 2026-04-04 16:36:42 UTC View
6 hops Gateways that received this packet after 6 hops
NU8H-1 (U8H1) +9.556s
After 		-128.0 dBm -18.75 dB 6 - LongFast 2026-04-04 16:36:50 UTC View
AD8G MQTT Gateway (1574) +3.807s
After 		-36.0 dBm 7.25 dB 6 a5 GSR3 LongFast 2026-04-04 16:36:44 UTC View
7 hops Gateways that received this packet after 7 hops
Leaf Coventry (neome.sh) (cvnt) +8.462s
After 		-140.0 dBm -17.00 dB 7 90 LongFast 2026-04-04 16:36:49 UTC View
12

Total Receptions

12

Unique Gateways