Release: RDA/RPG Build 22 Beta Test
Deployed: August 2023
Features:

1. Removal of VCP 32


2. Default Storm Motion from RAP model


3. Apply RPG ISDP Estimate Default YES


4. Super-Resolution Velocity (SRV) Product available on All-Tilt


5. Shift Change Checklist updates


6. Improvements to Velocity Dealiasing (MPDA & 2DVDA)
   

Release: RDA/RPG Build 21
Deployed: Fall 2022
Features:

1. Learn where the VMI is applied to the velocity data and why


2. Know about new Rain Rate Classification product (RRC)


3. Identify how performancee checks behave with a forced restart


4. List significant changes to the Shift Change Checklist


5. Identify which SAILS/MRLE settings are retained when the MSF changes VCP to clear air mode


6. Learn about restarting failed tasks


7. Single Adaptable Parameter for ice crystals and dry snow


8. Baud Rate Increases


9. Notable other bug fixes

Release: RDA/RPG Build 20
Deployed: Summer 2021
Features:

1. Shift Change Checklist Updates


2. Inclusion of supplemental scans to dual pol QPE adaptation data


3. ZDR Bias estimate and display changes

Release: RDA/RPG Build 19
Deployed: Summer 2020
Features:

1. Introduction of new VCP 112, which uses the MPDA to create higher quality velocity products for severe weather operations


2. Improvements to the rain-hail mixture with regard to biases dual-pol precipitation estimation


3. Addition of low level supplemental scans to dual-pol QPE calculations.


4. Improvements to the 2DVDA particularly with dealiasing error reduction and improved shear handling


5. Expansion of the ZDR scale displayed in AWIPS


6. Additional supplemental low-level elevation angles at selected sites

Release: RDA/RPG Build 18.2
Deployed: Summer 2019
Features:

1. - Introduction of Mid-Volume Rescan of Low-Level Elevations (MRLE)
   • Adds 2-4 supplemental low-level scans to each volume scan
2. - Changes to CMD reducing residual clutter
   • Improvements to dual pol products
3. - Sites gaining supplemental below 0.5-degree elevation angles
4. - Software security updates

Release: RDA/RPG Build 18.0
Deployed: Spring 2018
Features:

1. - VCP Changes:
• New Precip Mode VCP 215
• New Clear-Air Mode VCP 35
• Removing VCP 11, 21, 211, 221
2. - RPG Changes
• HCA tuning to better identify:
  Wet snow or graupel in the melting layer
  Biota and clutter in the cold season
• New data windowing technique for better quality base data
3. - Algorithm Updates
• Tornado Rapid Update and Mesocyclone detection now use SAILS cuts
4. - Expanded set of PRFs
5. - Simplification of Z-R relationship naming in HCI

Release: RDA/RPG Build 17.0
Deployed: Summer 2016
Features:

1. - RDA Hardware Upgrade:
• RDA Signal Processor Refresh
2. - Product Changes:
• Hail Size Discrimination Algorithm
• Raw Differential Phase Product (PhiDP)
• Remove Outdated Products
3. - Adaptable Parameter Changes:
• Selecting Dual Pol QPE Tropical vs. Continental R(Z, ZDR)
• Met Signal within the Dual Pol Preprocessor
4. - H and V dBZ0 on RPG Control/Status Window
5. - RMRs can be used to request SAILS products

Release: RDA/RPG Build 16.1
Deployed: Spring 2016
Features:

1. - Multiple Elevation Scan Option (MESO) SAILS
2. - Dual Pol Raw Correlation Coefficient Product (SDC)

Release: RDA/RPG Build 16.0
Deployed: Summer 2015
Features:

1. - Supplemental Adaptive Intra-Volume Low-Level Scan (SAILS) updates:
• RPG HCI main page SAILS cut indicator
• Dual Pol products generated for SAILS cut
• Multiple Elevation Scan Option (MESO) SAILS Field Test
2. - Last elevation on RPG HCI main page
3. - For Dual Pol Quantitative Precipitation Estimation (QPE):
• Editable multiplier for Dry Snow (DS) below the top of the melting layer
• Reflectivity threshold for use of R(KDP) with Heavy Rain
• Maximum precipitation rate editable
• Digital Accumulation Array (DAA) generated at the top of each hour
4. - ZDR bias estimator based on Bragg scatter
5. - Automated Microburst Detection Algorithm
6. - RPG GUI changes for sites with wideband backup service

Release: RDA/RPG Build 15.0
Deployed: Fall 2014
Features:

1. - Dual-Pol Quantitative Precipitation Estimation (QPE) updates
2. - RPG estimated Initial System Differential Phrase (ISDP) process

Release: RDA/RPG Build 14.0
Deployed: Spring 2014
Features:

1. - Initial System Differential Phase (IDSP)
2. - Radial by Radial (RxR) Noise Estimation
3. - Coherency Based Thresholding (CBT)
4. - 8 Hour Performance Check Countdown
5. - Supplemental Adaptive Intra-Volume Low-Level Scan (SAILS)
6. - Update to the Automated Volume Scan Evaluation and Termination (AVSET) Algorithm
7. - Storm-Based Auto PRF
8. - Auto PRF for SZ-2 VCPs
9. - 2D-Velocity Dealiasing Algorithm Adjustments
10. - Dual-Pol RPG Algorithm Adjustments