Note

Check the supplementary info below for important information on the data.

3.23.1. PSP

3.23.1.1. Introduction

Precision Spectral Pyranometer (PSP) is a Pyranometer manufactured by Eppley. It measures shortwave irradiance. One has been deployed at KSS45W and IMU.

3.23.1.2. Manufacturer and Model

Model	Brand	Type
PSP	Eppley	Spectral Pyranometer

3.23.1.3. Output definitions

Ouput definition ID	File Identifier	Level Number	QAQC notes	File time resolution
PSP	PSP_%SITE	0	No_QAQC	15min
PSP	PSP_%SITE	1	Thresholds	15min

3.23.1.4. Processing code

Code used to process raw data: https://github.com/Urban-Meteorology-Reading/Operations-Radiometers

3.23.1.5. Variables measured by instrument

Table 3.20 Variables measured - sorted alphabetically

Variable ID	Full Name	Unit	Lower Threshold	Upper Threshold	Files present (Output definition ID,Level No,Time resolution)
FLAG	Status flag	N/A			PSP,1,15min
Kdn	incoming_shortwave_radiation	W.m-2	0.0	1200.0	PSP,0,15min PSP,1,15min
sd_Kdn	incoming_shortwave_radiation	W.m-2			PSP,0,15min PSP,1,15min

3.23.1.6. Serials

Serial	Suffix
29765F3	A

3.23.1.7. Deployments

3.23.1.7.1. Serial number: 29765F3

Site ID	Start date	End date
KSS45W	2012-02-27 00:00	2016-04-14 00:00
IMU	2016-05-04 00:00	2020-11-04 00:00

3.23.1.8. Photos

Fig. 3.64 At KSS45W. Unknown date between 2012-02-27 and 2016-04-14.

Fig. 3.65 At IMU, indicated by arrow, 08-01-2020.

3.23.1.9. Supplementary information

Link	Title	Description
PSP manual	PSP manual	Manual from Eppley
IMU PSP and SPN1 radiation sensor blocking	IMU PSP and SPN1 radiation sensor blocking	Details of suspected interference of measurements by PSP and SPN1 at IMU by telecommunications equipment.

3.23.1.10. Data acquisition

Data can be requested from Prof. Sue Grimmond (c.s.grimmond@reading.ac.uk).

Tip

1. Stuck? the user guide is a useful place to start.

2. Please report issues at GitHub Issues. Go from the page with the problem - an automatic link will be inserted. Thanks.