Packet #2233003

Packet Information

Database ID:	2233003
Mesh Packet ID:	`0xb9cffed8` Used for correlation across gateways
Timestamp:	2025-11-17 02:21:15 UTC
From Node:	grnchTracker (grnt)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	Pads Mobile Node (23e4)
Channel:	LongFast
RSSI:	-117 dBm
SNR:	-10.25 dBm
Hop Info:	4/7 hops Start: 7, Limit: 3
Relay Node:	`8b` JLX2 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 9 bytes

Decoded: Yes

Text Content:

Ack 3hops

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:	9 bytes
Gateway:	!9e9e23e4
Channel:	LongFast
Payload Type:	TEXT_MESSAGE_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

Field	Value
`gateway_id`	`!9e9e23e4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (9 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2041974672` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`9` 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`	`-117.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.25` dB Signal quality at gateway	float
`rx_time`	`1763345751` 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`	`139` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1763346075.5486207` 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:	`!9e9e23e4`
Signal Metrics:	RSSI: -117.0 dBm SNR: -10.25 dB

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9e9e23e4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2041974672, "to": 4294967295, "id": 3117416152, "rx_time": 1763345751, "rx_snr": -10.25, "rx_rssi": -117, "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": 139, "tx_after": 0, "decoded": { "portnum": 1, "payload": "41636b2033686f7073", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "Ack 3hops", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }

Raw Packet Data (9 bytes)

41636b2033686f7073

Hex Analysis:

Size:	9 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
Pads Mobile Node (23e4) Primary	0.000s Reference	-117.0 dBm	-10.25 dB	4	`8b` JLX2	LongFast	2025-11-17 02:21:15 UTC	Current
Steiner Studios Tower (SST)	-468.530s Before	-115.0 dBm	-8.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-17 02:13:27 UTC	View
MeshM0xie (M0x)	-468.522s Before	-98.0 dBm	-11.00 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
K2XAP V4 MS (XAP4)	-468.515s Before	-65.0 dBm	4.50 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
drp mobile (drpm)	-468.250s Before	-118.0 dBm	-10.75 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
DRP1 Chelsea (DRP1)	-468.136s Before	-78.0 dBm	6.25 dB	2	`c9` Penn , JLX3	LongFast	2025-11-17 02:13:27 UTC	View
CBZ0 🚕 mobile (CBZ0)	-467.972s Before	-111.0 dBm	-7.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-17 02:13:27 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	-467.743s Before	-105.0 dBm	-3.00 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:27 UTC	View
Fried Fish 1 \| nyme.sh (FF1)	-467.290s Before	-77.0 dBm	-7.25 dB	3	`40` BRRN	LongFast	2025-11-17 02:13:28 UTC	View
ClaremontWx.net (CmWx)	-467.248s Before	-55.0 dBm	6.25 dB	3	`78`	LongFast	2025-11-17 02:13:28 UTC	View
K2XAP / nyme.sh (XAP)	-466.847s Before	-82.0 dBm	2.25 dB	3	`78` SCP2	LongFast	2025-11-17 02:13:28 UTC	View
aurelia (🧚)	-466.497s Before	-109.0 dBm	-4.25 dB	2	`c9` Penn	LongFast	2025-11-17 02:13:29 UTC	View
@_tedks (tks)	-466.489s Before	-113.0 dBm	-19.50 dB	3	`31` a031 , ν	LongFast	2025-11-17 02:13:29 UTC	View
Claudiopolis-440c (440c)	-466.345s Before	-101.0 dBm	-7.25 dB	3	`01`	LongFast	2025-11-17 02:13:29 UTC	View
NW Bergen (3fc4)	-466.022s Before	-106.0 dBm	-10.00 dB	3	`81` RAK3	LongFast	2025-11-17 02:13:29 UTC	View
Gowanus Soda (p1p)	-465.709s Before	-114.0 dBm	-13.50 dB	4	`57` CmWx	LongFast	2025-11-17 02:13:29 UTC	View
dkTowerBot (dkTB)	-463.748s Before	-104.0 dBm	-14.75 dB	3	`b2` CBZ1	LongFast	2025-11-17 02:13:31 UTC	View
DRP0 Astoria (DRP0)	-463.740s Before	-95.0 dBm	3.00 dB	3	`b2` 😴 , CBZ1	LongFast	2025-11-17 02:13:31 UTC	View
Meshtastic 631c (631c)	-460.996s Before	-102.0 dBm	-12.00 dB	5	`94` p1p	LongFast	2025-11-17 02:13:34 UTC	View
Pads GO Node (PaDD)	-409.003s Before	-51.0 dBm	7.00 dB	5	`e4` 23e4	LongFast	2025-11-17 02:14:26 UTC	View
MG01 (17a0)	+704.293s After	-34.0 dBm	6.00 dB	5	`d8`	LongFast	2025-11-17 02:32:59 UTC	View

21

Total Receptions

21

Unique Gateways

Packet #2233003 Success